Hosted websites will become read-only beginning in early 2024. At that time, all logins will be disabled, but hosted sites will remain on RootsWeb as static content. Website owners wishing to maintain their sites must migrate to a different hosting provider before 2024 (More info)
Cellach macRogallaig O'BRIAN , King of Connacht - Toirdhealbhach macConchobhair O'BRIAN , Sir

Cellach macRogallaig O'BRIAN , King of Connacht


Father: Rogallach macUatach O'BRIAN , King of Connacht
Death: 705

Partnership with: (Unknown)
Child: Domnall macCellaig O'BRIAN , King of Connacht
Child: Forggus macCellaig O'BRIAN , King of Connacht

Ancestors of Cellach macRogallaig O'BRIAN , King of Connacht

                               /-Aed macEchach Tirmcharnai O'BRIAN
                    /-Uatu macAedo O'BRIAN , King of Connacht
         /-Rogallach macUatach O'BRIAN , King of Connacht
Cellach macRogallaig O'BRIAN , King of Connacht

Descendents of Cellach macRogallaig O'BRIAN , King of Connacht

1 Cellach macRogallaig O'BRIAN , King of Connacht
  =(Unknown)
    2 Domnall macCellaig O'BRIAN , King of Connacht
      =(Unknown)
        3 Flaithri macDomnaill O'BRIAN , King of Connacht
    2 Forggus macCellaig O'BRIAN , King of Connacht
      =(Unknown)
        3 Colla macFurgusso O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Cennetig Maclorcana O'BRIAN , King of Tulach oc


Father: Lorcan macDonnchada O'BRIEN
Death: 1084

Ancestors of Cennetig Maclorcana O'BRIAN , King of Tulach oc

                               /-Brian Boruma MACCENNETIG , King of Munster
                    /-Donnchad O'BRIEN , King of Munster
                    |          \-Gormflaeth ingen Murchada MACFINN
         /-Lorcan macDonnchada O'BRIEN
Cennetig Maclorcana O'BRIAN , King of Tulach oc

Go To List Of Surnames
For further information email: [email protected]

Colla macFurgusso O'BRIAN , King of Connacht


Father: Forggus macCellaig O'BRIAN , King of Connacht
Death: 796

Ancestors of Colla macFurgusso O'BRIAN , King of Connacht

                               /-Rogallach macUatach O'BRIAN , King of Connacht
                    /-Cellach macRogallaig O'BRIAN , King of Connacht
         /-Forggus macCellaig O'BRIAN , King of Connacht
Colla macFurgusso O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Conchabar macLorcana O'BRIAN


Father: Lorcan macDonnchada O'BRIEN
Death: 1078

Ancestors of Conchabar macLorcana O'BRIAN

                               /-Brian Boruma MACCENNETIG , King of Munster
                    /-Donnchad O'BRIEN , King of Munster
                    |          \-Gormflaeth ingen Murchada MACFINN
         /-Lorcan macDonnchada O'BRIEN
Conchabar macLorcana O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Conchobar macTaidg O'BRIAN , King of Connacht


Father: Tadg macCathaig O'BRIAN , King of Connacht
Death: 973

Partnership with: (Unknown)
Child: Cathal macConchobair O'BRIAN , King of Connacht

Ancestors of Conchobar macTaidg O'BRIAN , King of Connacht

                               /-Conchobar macTaidg Moir O'BRIAN
                    /-Cathal macConnobaig O'BRIAN , King of Connacht
         /-Tadg macCathaig O'BRIAN , King of Connacht
Conchobar macTaidg O'BRIAN , King of Connacht

Descendents of Conchobar macTaidg O'BRIAN , King of Connacht

1 Conchobar macTaidg O'BRIAN , King of Connacht
  =(Unknown)
    2 Cathal macConchobair O'BRIAN , King of Connacht
      =(Unknown)
        3 Tadg in Eich Gil macCathaig O'BRIAN
          =(Unknown)

Go To List Of Surnames
For further information email: [email protected]

Conchobar macTaidg Moir O'BRIAN


Father: Tadg mor macMuirguisso O'BRIAN
Death: 882

Partnership with: (Unknown)
Child: Cathal macConnobaig O'BRIAN , King of Connacht
Child: Aed macConchbair O'BRIAN , King of Connacht
Child: Tadg macConchbar O'BRIAN , King of Connacht

Ancestors of Conchobar macTaidg Moir O'BRIAN

                               /-Two GENERATIONS
                    /-Muirgius macTommaltaig O'BRIAN , King of Connacht
         /-Tadg mor macMuirguisso O'BRIAN
Conchobar macTaidg Moir O'BRIAN

Descendents of Conchobar macTaidg Moir O'BRIAN

1 Conchobar macTaidg Moir O'BRIAN
  =(Unknown)
    2 Cathal macConnobaig O'BRIAN , King of Connacht
      =(Unknown)
        3 Tadg macCathaig O'BRIAN , King of Connacht
          =(Unknown)
    2 Aed macConchbair O'BRIAN , King of Connacht
    2 Tadg macConchbar O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Conchobar macToirrdelbaig O'BRIAN


Father: Toirrdelbach macTaidg O'BRIEN , King of Thomond
Death: 1328

Ancestors of Conchobar macToirrdelbaig O'BRIAN

                               /-Conchobar Na Suidaine MACDONNCHADA
                    /-Tedg Caeluisce macConchobair O'BRIEN
         /-Toirrdelbach macTaidg O'BRIEN , King of Thomond
Conchobar macToirrdelbaig O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Constantin macToirrdelbaich O'BRIAN


Father: Toirrdelbach macDiarmata O'BRIEN
Death: 1194

Ancestors of Constantin macToirrdelbaich O'BRIAN

                               /-Toirrdelbach O'BRIAN , of Munster
                    /-Diarmait macToirrdelbaig O'BRIEN
         /-Toirrdelbach macDiarmata O'BRIEN
Constantin macToirrdelbaich O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Dairmaid macToirrdelbaig O'BRIAN


Father: Toirrdelbach macTaidg O'BRIEN , King of Thomond
Death: 1364, Aadrahan, Galway

Ancestors of Dairmaid macToirrdelbaig O'BRIAN

                               /-Conchobar Na Suidaine MACDONNCHADA
                    /-Tedg Caeluisce macConchobair O'BRIEN
         /-Toirrdelbach macTaidg O'BRIEN , King of Thomond
Dairmaid macToirrdelbaig O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Daughter O'BRIAN


Father: Donnchadh macConchobhair O'BRIAN
Mother: Helen (Amy) ROCHE
Death: (Date and Place unknown)

Ancestors of Daughter O'BRIAN

         /-Donnchadh macConchobhair O'BRIAN
Daughter O'BRIAN
         |          /-Maurice ROCHE , Viscount Roche of Fermoy
         \-Helen (Amy) ROCHE
                    |          /-Maurice an Torteain FITZGERALD , Sir
                    \-Eleanor FITZGERALD

Go To List Of Surnames
For further information email: [email protected]

Dermod O'BRIAN


Father: Conchobhar macMathghamhna O'BRIEN
Death: (Date and Place unknown)

Ancestors of Dermod O'BRIAN

                               /-Muirchertach macToirdelbaig O'BRIEN
                    /-Mathghamhain of Maonmhagh O'BRIEN
                    |          \-Edaouin MCGORMAN
         /-Conchobhar macMathghamhna O'BRIEN
Dermod O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Diarmait O'BRIAN


Father: Domnall Ban O'BRIAN
Death: (Date and Place unknown)

Ancestors of Diarmait O'BRIAN

                               /-Cennetig macLorcain of THOMOND , King of Thomond
                    /-Brian Boruma MACCENNETIG , King of Munster
                    |          \-Be Bind ingen URCHADA
         /-Domnall Ban O'BRIAN
Diarmait O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Diarmait macTommaltaig O'BRIAN , King of Connacht


Father: Two GENERATIONS
Death: 833

Ancestors of Diarmait macTommaltaig O'BRIAN , King of Connacht

                               /-Muiredach Muillethan macFergusso O'BRIAN
                    /-Indrechtach macMuiredaig MUILLETHAIN
         /-Two GENERATIONS
Diarmait macTommaltaig O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Domnall Ban O'BRIAN


Father: Brian Boruma MACCENNETIG , King of Munster
Death: 1052

Partnership with: (Unknown)
Child: Diarmait O'BRIAN

Ancestors of Domnall Ban O'BRIAN

                               /-Lorcan MACLACHTNAE
                    /-Cennetig macLorcain of THOMOND , King of Thomond
         /-Brian Boruma MACCENNETIG , King of Munster
         |          |          /-Urchad of Thomond MACLORCAIN , King of Thomond
         |          \-Be Bind ingen URCHADA
Domnall Ban O'BRIAN

Descendents of Domnall Ban O'BRIAN

1 Domnall Ban O'BRIAN
  =(Unknown)
    2 Diarmait O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Domnall Connachtach macDomnaill O'BRIAN


Father: Donnell mor macToirrdelbaid O'BRIAN
Mother: URLACHAN
Death: (Date and Place unknown)

Ancestors of Domnall Connachtach macDomnaill O'BRIAN

                               /-Diarmait macToirrdelbaig O'BRIEN
                    /-Toirrdelbach macDiarmata O'BRIEN
         /-Donnell mor macToirrdelbaid O'BRIAN
Domnall Connachtach macDomnaill O'BRIAN
         |                     /-Donnchad MACMURCHADA , King of Leinster
         |          /-Diamait macDonnchada MACMURCHADA
         |          |          \-Orlaith ingen O'BRAENAIN
         \- URLACHAN
                    |          /-Mouirchertach O'TOOLE , King Ui Muiredaig
                    \-Mor ingen Muirchertaig O'TOOLE
                               \-Cacht ingen Loigsig O'MORDA

Go To List Of Surnames
For further information email: [email protected]

Domnall macCathail O'BRIAN , King of Connacht


Father: Cathal macRogallaig O'BRIAN
Death: 714

Ancestors of Domnall macCathail O'BRIAN , King of Connacht

                               /-Uatu macAedo O'BRIAN , King of Connacht
                    /-Rogallach macUatach O'BRIAN , King of Connacht
         /-Cathal macRogallaig O'BRIAN
Domnall macCathail O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Domnall macCellaig O'BRIAN , King of Connacht


Father: Cellach macRogallaig O'BRIAN , King of Connacht
Death: 728

Partnership with: (Unknown)
Child: Flaithri macDomnaill O'BRIAN , King of Connacht

Ancestors of Domnall macCellaig O'BRIAN , King of Connacht

                               /-Uatu macAedo O'BRIAN , King of Connacht
                    /-Rogallach macUatach O'BRIAN , King of Connacht
         /-Cellach macRogallaig O'BRIAN , King of Connacht
Domnall macCellaig O'BRIAN , King of Connacht

Descendents of Domnall macCellaig O'BRIAN , King of Connacht

1 Domnall macCellaig O'BRIAN , King of Connacht
  =(Unknown)
    2 Flaithri macDomnaill O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Domnall MacMuirchertach O'BRIAN


Father: Muirchertach II Mactoirdelbaig O'BRIAN
Death: 1135

Ancestors of Domnall MacMuirchertach O'BRIAN

                               /-Teige (Terence) O'BRIAN
                    /-Toirrdelbach O'BRIAN , of Munster
         /-Muirchertach II Mactoirdelbaig O'BRIAN
Domnall MacMuirchertach O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Donald O'BRIAN


Father: Donough O'BRIAN
Death: (Date and Place unknown)

Ancestors of Donald O'BRIAN

                               /-Donnchadh of Carrigogunnll MACBRIAN
                    /-Mahon O'BRIAN
                    |          \-Margaret O'KENNEDY
         /-Donough O'BRIAN
         |          \-Elizabeth of Ara O'BRIAN
Donald O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Donnchad MacToirrdelbaid O'BRIAN


Father: Toirrdelbach macTaidg O'BRIEN , King of Thomond
Death: (Date and Place unknown)

Ancestors of Donnchad MacToirrdelbaid O'BRIAN

                               /-Conchobar Na Suidaine MACDONNCHADA
                    /-Tedg Caeluisce macConchobair O'BRIEN
         /-Toirrdelbach macTaidg O'BRIEN , King of Thomond
Donnchad MacToirrdelbaid O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Donnchad MacToirrdelbaid O'BRIAN


Father: Toirrdelbach O'BRIAN , of Munster
Death: 1311

Ancestors of Donnchad MacToirrdelbaid O'BRIAN

                               /-Brian Boruma MACCENNETIG , King of Munster
                    /-Teige (Terence) O'BRIAN
         /-Toirrdelbach O'BRIAN , of Munster
Donnchad MacToirrdelbaid O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Donnchadh macConchobhair O'BRIAN


Death: (Date and Place unknown)

Partnership with: Helen (Amy) ROCHE
Marriage: SEP 1477
Child: Daughter O'BRIAN

Descendents of Donnchadh macConchobhair O'BRIAN

1 Donnchadh macConchobhair O'BRIAN
  =Helen (Amy) ROCHE  Marriage: SEP 1477
    2 Daughter O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Donnchadh macTaidhg O'BRIAN


Father: Tadhg an Chomhaid MACTOIRDHEALBHAIG
Death: (Date and Place unknown)

Ancestors of Donnchadh macTaidhg O'BRIAN

                               /-Brian Sreamhach macMathghamhna O'BRIEN
                    /-Toirdhealbhagh Bog the Soft MACBRIAN
         /-Tadhg an Chomhaid MACTOIRDHEALBHAIG
Donnchadh macTaidhg O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Donnell mor macToirrdelbaid O'BRIAN


Father: Toirrdelbach macDiarmata O'BRIEN
Death: 1194

Partnership with: URLACHAN
Child: Muirchertach Finn macDomnaill MOIR
Child: Conchobar Ruad macDomnaill MOIR
Child: Donnchad Cairprech macDomnail MOIR
Child: Domnall Connachtach macDomnaill O'BRIAN
Child: Muirchertach Dall mac Domnaill O'BRIAN

Ancestors of Donnell mor macToirrdelbaid O'BRIAN

                               /-Toirrdelbach O'BRIAN , of Munster
                    /-Diarmait macToirrdelbaig O'BRIEN
         /-Toirrdelbach macDiarmata O'BRIEN
Donnell mor macToirrdelbaid O'BRIAN

Descendents of Donnell mor macToirrdelbaid O'BRIAN

1 Donnell mor macToirrdelbaid O'BRIAN
  = URLACHAN
    2 Muirchertach Finn macDomnaill MOIR
    2 Conchobar Ruad macDomnaill MOIR
    2 Donnchad Cairprech macDomnail MOIR
      =(Unknown)
        3 Conchobar Na Suidaine MACDONNCHADA
          =(Unknown)
        3 Muirchertach macDonnchada O'BRIAN
        3 Toirdelbach macDonnchada O'BRIAN
        3 Slaney O'BRIAN , Abbess Killoney Abbey
    2 Domnall Connachtach macDomnaill O'BRIAN
    2 Muirchertach Dall mac Domnaill O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Donough O'BRIAN


Father: Mahon O'BRIAN
Mother: Elizabeth of Ara O'BRIAN
Death: (Date and Place unknown)

Partnership with: (Unknown)
Child: Donald O'BRIAN

Ancestors of Donough O'BRIAN

                               /-Brian Dubh macConchobaig O'BRIEN
                    /-Donnchadh of Carrigogunnll MACBRIAN
         /-Mahon O'BRIAN
         |          \-Margaret O'KENNEDY
Donough O'BRIAN
         \-Elizabeth of Ara O'BRIAN

Descendents of Donough O'BRIAN

1 Donough O'BRIAN
  =(Unknown)
    2 Donald O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Echu Tirmcharnae macFergusso O'BRIAN


Father: Three GENERATIONS
Death: (Date and Place unknown)

Partnership with: (Unknown)
Child: Aed macEchach Tirmcharnai O'BRIAN

Ancestors of Echu Tirmcharnae macFergusso O'BRIAN

                               /- BRION
                    /-Daui Tengae Umai MACBRIUIN , King of Connacht
         /-Three GENERATIONS
Echu Tirmcharnae macFergusso O'BRIAN

Descendents of Echu Tirmcharnae macFergusso O'BRIAN

1 Echu Tirmcharnae macFergusso O'BRIAN
  =(Unknown)
    2 Aed macEchach Tirmcharnai O'BRIAN
      =(Unknown)
        3 Uatu macAedo O'BRIAN , King of Connacht
          =(Unknown)

Go To List Of Surnames
For further information email: [email protected]

Elizabeth of Ara O'BRIAN


Death: (Date and Place unknown)

Partnership with: Mahon O'BRIAN
Child: Maud (Mor) O'BRIAN
Child: Brian Duff O'BRIAN
Child: Mortogh O'BRIAN
Child: Donough O'BRIAN

Descendents of Elizabeth of Ara O'BRIAN

1 Elizabeth of Ara O'BRIAN
  =Mahon O'BRIAN
    2 Maud (Mor) O'BRIAN
      =John fitzThomas FITZGERALD , Earl of Desmond 13
        3 Maurice an Torteain FITZGERALD , Sir
          =(Unknown)
        3 Thomas fitzJohn FITZGERALD
        3 James fitzJohn FITZGERALD , Earl of Desmond 14
          =Mor O'CAERBHAILL
          =Joan ROCHE
          =Evelyn Mor MACCARTHY
        3 John og fitzJohn FITZGERALD
    2 Brian Duff O'BRIAN
    2 Mortogh O'BRIAN
      =(Unknown)
        3 Murrough O'BRIAN
    2 Donough O'BRIAN
      =(Unknown)
        3 Donald O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Fergus macRogallaig O'BRIAN


Father: Rogallach macUatach O'BRIAN , King of Connacht
Death: (Date and Place unknown)

Partnership with: (Unknown)
Child: Muiredach Muillethan macFergusso O'BRIAN

Ancestors of Fergus macRogallaig O'BRIAN

                               /-Aed macEchach Tirmcharnai O'BRIAN
                    /-Uatu macAedo O'BRIAN , King of Connacht
         /-Rogallach macUatach O'BRIAN , King of Connacht
Fergus macRogallaig O'BRIAN

Descendents of Fergus macRogallaig O'BRIAN

1 Fergus macRogallaig O'BRIAN
  =(Unknown)
    2 Muiredach Muillethan macFergusso O'BRIAN
      =(Unknown)
        3 Cathal macMuiredait Muillethain O'BRIAN
        3 Indrechtach macMuiredaig MUILLETHAIN
          =(Unknown)

Go To List Of Surnames
For further information email: [email protected]

Finsnechtae macTommaltaig O'BRIAN


Father: Two GENERATIONS
Death: (Date and Place unknown)

Ancestors of Finsnechtae macTommaltaig O'BRIAN

                               /-Muiredach Muillethan macFergusso O'BRIAN
                    /-Indrechtach macMuiredaig MUILLETHAIN
         /-Two GENERATIONS
Finsnechtae macTommaltaig O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Flaithri macDomnaill O'BRIAN , King of Connacht


Father: Domnall macCellaig O'BRIAN , King of Connacht
Death: 779

Ancestors of Flaithri macDomnaill O'BRIAN , King of Connacht

                               /-Rogallach macUatach O'BRIAN , King of Connacht
                    /-Cellach macRogallaig O'BRIAN , King of Connacht
         /-Domnall macCellaig O'BRIAN , King of Connacht
Flaithri macDomnaill O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Forggus macCellaig O'BRIAN , King of Connacht


Father: Cellach macRogallaig O'BRIAN , King of Connacht
Death: 735

Partnership with: (Unknown)
Child: Colla macFurgusso O'BRIAN , King of Connacht

Ancestors of Forggus macCellaig O'BRIAN , King of Connacht

                               /-Uatu macAedo O'BRIAN , King of Connacht
                    /-Rogallach macUatach O'BRIAN , King of Connacht
         /-Cellach macRogallaig O'BRIAN , King of Connacht
Forggus macCellaig O'BRIAN , King of Connacht

Descendents of Forggus macCellaig O'BRIAN , King of Connacht

1 Forggus macCellaig O'BRIAN , King of Connacht
  =(Unknown)
    2 Colla macFurgusso O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Mahon O'BRIAN


Father: Donnchadh of Carrigogunnll MACBRIAN
Mother: Margaret O'KENNEDY
Death: (Date and Place unknown)

Partnership with: Elizabeth of Ara O'BRIAN
Child: Maud (Mor) O'BRIAN
Child: Brian Duff O'BRIAN
Child: Mortogh O'BRIAN
Child: Donough O'BRIAN

Ancestors of Mahon O'BRIAN

                               /-Conchobhar macMathghamhna O'BRIEN
                    /-Brian Dubh macConchobaig O'BRIEN
         /-Donnchadh of Carrigogunnll MACBRIAN
Mahon O'BRIAN
         \-Margaret O'KENNEDY

Descendents of Mahon O'BRIAN

1 Mahon O'BRIAN
  =Elizabeth of Ara O'BRIAN
    2 Maud (Mor) O'BRIAN
      =John fitzThomas FITZGERALD , Earl of Desmond 13
        3 Maurice an Torteain FITZGERALD , Sir
          =(Unknown)
        3 Thomas fitzJohn FITZGERALD
        3 James fitzJohn FITZGERALD , Earl of Desmond 14
          =Mor O'CAERBHAILL
          =Joan ROCHE
          =Evelyn Mor MACCARTHY
        3 John og fitzJohn FITZGERALD
    2 Brian Duff O'BRIAN
    2 Mortogh O'BRIAN
      =(Unknown)
        3 Murrough O'BRIAN
    2 Donough O'BRIAN
      =(Unknown)
        3 Donald O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Margaret O'BRIAN


Father: Conchobhar macDonnchadha O'BRIEN
Mother: Una (Winifred) O'BRIEN
Death: (Date and Place unknown)

Partnership with: James BUTLER , Baron Dunboyne 2

Ancestors of Margaret O'BRIAN

                               /-Conchobar macToirdhealbaig O'BRIEN
                    /-Donnchadh the Fat macConchobhair O'BRIEN
                    |          \-Annabell of BURGH
         /-Conchobhar macDonnchadha O'BRIEN
         |          |          /-Piers BUTLER , Earl of Ormonde 8
         |          \-Helen BUTLER
         |                     \-Margaret FITZGERALD , the Great Countess
Margaret O'BRIAN
         |                     /-Casch Mortogh O'BRIEN
         |          /-Turlogh MacBrien Ara O'BRIEN
         \-Una (Winifred) O'BRIEN
                    \-Mor O'CARROL

Descendents of Margaret O'BRIAN

1 Margaret O'BRIAN
  =James BUTLER , Baron Dunboyne 2

Go To List Of Surnames
For further information email: [email protected]

Mary O'BRIAN


Father: Conchobhar macDonnchadha O'BRIEN
Mother: Una (Winifred) O'BRIEN
Death: (Date and Place unknown)

Partnership with: Turlogh Roe MACMAHON , Lord of East Corcabaskin

Ancestors of Mary O'BRIAN

                               /-Conchobar macToirdhealbaig O'BRIEN
                    /-Donnchadh the Fat macConchobhair O'BRIEN
                    |          \-Annabell of BURGH
         /-Conchobhar macDonnchadha O'BRIEN
         |          |          /-Piers BUTLER , Earl of Ormonde 8
         |          \-Helen BUTLER
         |                     \-Margaret FITZGERALD , the Great Countess
Mary O'BRIAN
         |                     /-Casch Mortogh O'BRIEN
         |          /-Turlogh MacBrien Ara O'BRIEN
         \-Una (Winifred) O'BRIEN
                    \-Mor O'CARROL

Descendents of Mary O'BRIAN

1 Mary O'BRIAN
  =Turlogh Roe MACMAHON , Lord of East Corcabaskin

Go To List Of Surnames
For further information email: [email protected]

Mary O'BRIAN


Father: Conchobar macToirdhealbaig O'BRIEN
Mother: Annabell of BURGH
Death: (Date and Place unknown)

Partnership with: Earl of Castle Connell 1

Ancestors of Mary O'BRIAN

                               /-Tadhg an Chomhaid MACTOIRDHEALBHAIG
                    /-Toirdhealbhach Donn macTaidhg O'BRIEN
         /-Conchobar macToirdhealbaig O'BRIEN
         |          |          /-John MACNAMARA
         |          \-Raghnailt MACNAMARA
Mary O'BRIAN
         |          /-Ulick of Burgh of CLANRICARDE
         \-Annabell of BURGH

Descendents of Mary O'BRIAN

1 Mary O'BRIAN
  =Earl of Castle Connell 1

Go To List Of Surnames
For further information email: [email protected]

Maud (Mor) O'BRIAN


Father: Mahon O'BRIAN
Mother: Elizabeth of Ara O'BRIAN
Death: (Date and Place unknown)

Partnership with: John fitzThomas FITZGERALD , Earl of Desmond 13
Child: Maurice an Torteain FITZGERALD , Sir
Child: Thomas fitzJohn FITZGERALD
Child: James fitzJohn FITZGERALD , Earl of Desmond 14
Child: John og fitzJohn FITZGERALD

Ancestors of Maud (Mor) O'BRIAN

                               /-Brian Dubh macConchobaig O'BRIEN
                    /-Donnchadh of Carrigogunnll MACBRIAN
         /-Mahon O'BRIAN
         |          \-Margaret O'KENNEDY
Maud (Mor) O'BRIAN
         \-Elizabeth of Ara O'BRIAN

Descendents of Maud (Mor) O'BRIAN

1 Maud (Mor) O'BRIAN
  =John fitzThomas FITZGERALD , Earl of Desmond 13
    2 Maurice an Torteain FITZGERALD , Sir
      =(Unknown)
        3 Thomas fitzMaurice FITZGERALD
        3 James fitzMaurice FITZGERALD
        3 Eleanor FITZGERALD
          =Maurice ROCHE , Viscount Roche of Fermoy
    2 Thomas fitzJohn FITZGERALD
    2 James fitzJohn FITZGERALD , Earl of Desmond 14
      =Mor O'CAERBHAILL
        3 Gerald FitzJames FITZGERALD , Earl of Desmond 15
          =Joan FITZGERALD
          =Catherine FITZGERALD
          =Eleanor BUTLER
        3 John fitzJames FITZGERALD
      =Joan ROCHE
        3 Thomas Ruadh of Conna FITZGERALD , Sir
      =Evelyn Mor MACCARTHY
        3 James fitzJames FITZGERALD , Sir
    2 John og fitzJohn FITZGERALD

Go To List Of Surnames
For further information email: [email protected]

Mortogh O'BRIAN


Father: Mahon O'BRIAN
Mother: Elizabeth of Ara O'BRIAN
Death: (Date and Place unknown)

Partnership with: (Unknown)
Child: Murrough O'BRIAN

Ancestors of Mortogh O'BRIAN

                               /-Brian Dubh macConchobaig O'BRIEN
                    /-Donnchadh of Carrigogunnll MACBRIAN
         /-Mahon O'BRIAN
         |          \-Margaret O'KENNEDY
Mortogh O'BRIAN
         \-Elizabeth of Ara O'BRIAN

Descendents of Mortogh O'BRIAN

1 Mortogh O'BRIAN
  =(Unknown)
    2 Murrough O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Muircheartach macConchobhair O'BRIAN


Father: Conchobar macToirdhealbaig O'BRIEN
Mother: Annabell of BURGH
Death: (Date and Place unknown)

Ancestors of Muircheartach macConchobhair O'BRIAN

                               /-Tadhg an Chomhaid MACTOIRDHEALBHAIG
                    /-Toirdhealbhach Donn macTaidhg O'BRIEN
         /-Conchobar macToirdhealbaig O'BRIEN
         |          |          /-John MACNAMARA
         |          \-Raghnailt MACNAMARA
Muircheartach macConchobhair O'BRIAN
         |          /-Ulick of Burgh of CLANRICARDE
         \-Annabell of BURGH

Go To List Of Surnames
For further information email: [email protected]

Muirchertach Dall mac Domnaill O'BRIAN


Father: Donnell mor macToirrdelbaid O'BRIAN
Mother: URLACHAN
Death: (Date and Place unknown)

Ancestors of Muirchertach Dall mac Domnaill O'BRIAN

                               /-Diarmait macToirrdelbaig O'BRIEN
                    /-Toirrdelbach macDiarmata O'BRIEN
         /-Donnell mor macToirrdelbaid O'BRIAN
Muirchertach Dall mac Domnaill O'BRIAN
         |                     /-Donnchad MACMURCHADA , King of Leinster
         |          /-Diamait macDonnchada MACMURCHADA
         |          |          \-Orlaith ingen O'BRAENAIN
         \- URLACHAN
                    |          /-Mouirchertach O'TOOLE , King Ui Muiredaig
                    \-Mor ingen Muirchertaig O'TOOLE
                               \-Cacht ingen Loigsig O'MORDA

Go To List Of Surnames
For further information email: [email protected]

Muirchertach II Mactoirdelbaig O'BRIAN


Father: Toirrdelbach O'BRIAN , of Munster
Death: 13 MAR 1119, Lismore Monastry

Partnership with: (Unknown)
Child: Mathgamain MACMUIRCHERTACH
Child: Domnall MacMuirchertach O'BRIAN
Child: Blathmin O'BRIEN Birth: 1095

Ancestors of Muirchertach II Mactoirdelbaig O'BRIAN

                               /-Brian Boruma MACCENNETIG , King of Munster
                    /-Teige (Terence) O'BRIAN
         /-Toirrdelbach O'BRIAN , of Munster
Muirchertach II Mactoirdelbaig O'BRIAN

Descendents of Muirchertach II Mactoirdelbaig O'BRIAN

1 Muirchertach II Mactoirdelbaig O'BRIAN
  =(Unknown)
    2 Mathgamain MACMUIRCHERTACH
      =(Unknown)
        3 From whom descents MCMAHON
    2 Domnall MacMuirchertach O'BRIAN
    2 Blathmin O'BRIEN
      =King Sigurd "Crusader" Jerusalemfarer of NORWAY  Marriage: 1100

Go To List Of Surnames
For further information email: [email protected]

Muirchertach macConchobar O'BRIAN


Father: Conchobar macDiarmata O'BRIEN
Death: (Date and Place unknown)

Ancestors of Muirchertach macConchobar O'BRIAN

                               /-Toirrdelbach O'BRIAN , of Munster
                    /-Diarmait macToirrdelbaig O'BRIEN
         /-Conchobar macDiarmata O'BRIEN
Muirchertach macConchobar O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Muirchertach macDonnchada O'BRIAN


Father: Donnchad Cairprech macDomnail MOIR
Death: (Date and Place unknown)

Ancestors of Muirchertach macDonnchada O'BRIAN

                               /-Toirrdelbach macDiarmata O'BRIEN
                    /-Donnell mor macToirrdelbaid O'BRIAN
         /-Donnchad Cairprech macDomnail MOIR
         |          |          /-Diamait macDonnchada MACMURCHADA
         |          \- URLACHAN
         |                     \-Mor ingen Muirchertaig O'TOOLE
Muirchertach macDonnchada O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Muirchertach macToirrdelbaig O'BRIAN


Father: Toirrdelbach macDiarmata O'BRIEN
Death: 1168

Ancestors of Muirchertach macToirrdelbaig O'BRIAN

                               /-Toirrdelbach O'BRIAN , of Munster
                    /-Diarmait macToirrdelbaig O'BRIEN
         /-Toirrdelbach macDiarmata O'BRIEN
Muirchertach macToirrdelbaig O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Muiredach Muillethan macFergusso O'BRIAN


Father: Fergus macRogallaig O'BRIAN
Death: 702

Partnership with: (Unknown)
Child: Cathal macMuiredait Muillethain O'BRIAN
Child: Indrechtach macMuiredaig MUILLETHAIN

Ancestors of Muiredach Muillethan macFergusso O'BRIAN

                               /-Uatu macAedo O'BRIAN , King of Connacht
                    /-Rogallach macUatach O'BRIAN , King of Connacht
         /-Fergus macRogallaig O'BRIAN
Muiredach Muillethan macFergusso O'BRIAN

Descendents of Muiredach Muillethan macFergusso O'BRIAN

1 Muiredach Muillethan macFergusso O'BRIAN
  =(Unknown)
    2 Cathal macMuiredait Muillethain O'BRIAN
    2 Indrechtach macMuiredaig MUILLETHAIN
      =(Unknown)
        3 Two GENERATIONS
          =(Unknown)

Go To List Of Surnames
For further information email: [email protected]

Muirgius macTommaltaig O'BRIAN , King of Connacht


Father: Two GENERATIONS
Death: 815

Partnership with: (Unknown)
Child: Tadg mor macMuirguisso O'BRIAN
Child: Cathal macMuirgiusso O'BRIAN , King of Connacht

Ancestors of Muirgius macTommaltaig O'BRIAN , King of Connacht

                               /-Muiredach Muillethan macFergusso O'BRIAN
                    /-Indrechtach macMuiredaig MUILLETHAIN
         /-Two GENERATIONS
Muirgius macTommaltaig O'BRIAN , King of Connacht

Descendents of Muirgius macTommaltaig O'BRIAN , King of Connacht

1 Muirgius macTommaltaig O'BRIAN , King of Connacht
  =(Unknown)
    2 Tadg mor macMuirguisso O'BRIAN
      =(Unknown)
        3 Conchobar macTaidg Moir O'BRIAN
          =(Unknown)
    2 Cathal macMuirgiusso O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Murchad O'BRIAN


Father: Brian Boruma MACCENNETIG , King of Munster
Death: 1014

Partnership with: (Unknown)
Child: Toirrdelbach O'BRIAN

Ancestors of Murchad O'BRIAN

                               /-Lorcan MACLACHTNAE
                    /-Cennetig macLorcain of THOMOND , King of Thomond
         /-Brian Boruma MACCENNETIG , King of Munster
         |          |          /-Urchad of Thomond MACLORCAIN , King of Thomond
         |          \-Be Bind ingen URCHADA
Murchad O'BRIAN

Descendents of Murchad O'BRIAN

1 Murchad O'BRIAN
  =(Unknown)
    2 Toirrdelbach O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Murchadh macConchobhair O'BRIAN


Father: Conchobar macToirdhealbaig O'BRIEN
Mother: Annabell of BURGH
Death: 1593

Ancestors of Murchadh macConchobhair O'BRIAN

                               /-Tadhg an Chomhaid MACTOIRDHEALBHAIG
                    /-Toirdhealbhach Donn macTaidhg O'BRIEN
         /-Conchobar macToirdhealbaig O'BRIEN
         |          |          /-John MACNAMARA
         |          \-Raghnailt MACNAMARA
Murchadh macConchobhair O'BRIAN
         |          /-Ulick of Burgh of CLANRICARDE
         \-Annabell of BURGH

Go To List Of Surnames
For further information email: [email protected]

Murrough O'BRIAN


Father: Mortogh O'BRIAN
Death: (Date and Place unknown)

Ancestors of Murrough O'BRIAN

                               /-Donnchadh of Carrigogunnll MACBRIAN
                    /-Mahon O'BRIAN
                    |          \-Margaret O'KENNEDY
         /-Mortogh O'BRIAN
         |          \-Elizabeth of Ara O'BRIAN
Murrough O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Rogallach macUatach O'BRIAN , King of Connacht


Father: Uatu macAedo O'BRIAN , King of Connacht
Death: 649

Partnership with: (Unknown)
Child: Cellach macRogallaig O'BRIAN , King of Connacht
Child: Fergus macRogallaig O'BRIAN
Child: Cathal macRogallaig O'BRIAN

Ancestors of Rogallach macUatach O'BRIAN , King of Connacht

                               /-Echu Tirmcharnae macFergusso O'BRIAN
                    /-Aed macEchach Tirmcharnai O'BRIAN
         /-Uatu macAedo O'BRIAN , King of Connacht
Rogallach macUatach O'BRIAN , King of Connacht

Descendents of Rogallach macUatach O'BRIAN , King of Connacht

1 Rogallach macUatach O'BRIAN , King of Connacht
  =(Unknown)
    2 Cellach macRogallaig O'BRIAN , King of Connacht
      =(Unknown)
        3 Domnall macCellaig O'BRIAN , King of Connacht
          =(Unknown)
        3 Forggus macCellaig O'BRIAN , King of Connacht
          =(Unknown)
    2 Fergus macRogallaig O'BRIAN
      =(Unknown)
        3 Muiredach Muillethan macFergusso O'BRIAN
          =(Unknown)
    2 Cathal macRogallaig O'BRIAN
      =(Unknown)
        3 Domnall macCathail O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Slaney O'BRIAN , Abbess Killoney Abbey


Father: Donnchad Cairprech macDomnail MOIR
Death: (Date and Place unknown)

Ancestors of Slaney O'BRIAN , Abbess Killoney Abbey

                               /-Toirrdelbach macDiarmata O'BRIEN
                    /-Donnell mor macToirrdelbaid O'BRIAN
         /-Donnchad Cairprech macDomnail MOIR
         |          |          /-Diamait macDonnchada MACMURCHADA
         |          \- URLACHAN
         |                     \-Mor ingen Muirchertaig O'TOOLE
Slaney O'BRIAN , Abbess Killoney Abbey

Go To List Of Surnames
For further information email: [email protected]

Slani ingen Briain O'BRIAN


Father: Brian Boruma MACCENNETIG , King of Munster
Death: (Date and Place unknown)

Ancestors of Slani ingen Briain O'BRIAN

                               /-Lorcan MACLACHTNAE
                    /-Cennetig macLorcain of THOMOND , King of Thomond
         /-Brian Boruma MACCENNETIG , King of Munster
         |          |          /-Urchad of Thomond MACLORCAIN , King of Thomond
         |          \-Be Bind ingen URCHADA
Slani ingen Briain O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Tadg in Eich Gil macCathaig O'BRIAN


Father: Cathal macConchobair O'BRIAN , King of Connacht
Death: 1030

Partnership with: (Unknown)
Child: Aed in Gai Bernaig macTaidg in Eich GIL

Ancestors of Tadg in Eich Gil macCathaig O'BRIAN

                               /-Tadg macCathaig O'BRIAN , King of Connacht
                    /-Conchobar macTaidg O'BRIAN , King of Connacht
         /-Cathal macConchobair O'BRIAN , King of Connacht
Tadg in Eich Gil macCathaig O'BRIAN

Descendents of Tadg in Eich Gil macCathaig O'BRIAN

1 Tadg in Eich Gil macCathaig O'BRIAN
  =(Unknown)
    2 Aed in Gai Bernaig macTaidg in Eich GIL
      =(Unknown)
        3 Ruaidri na Saide Buide macAeda GAI
          =(Unknown)

Go To List Of Surnames
For further information email: [email protected]

Tadg macCathaig O'BRIAN , King of Connacht


Father: Cathal macConnobaig O'BRIAN , King of Connacht
Death: 956

Partnership with: (Unknown)
Child: Conchobar macTaidg O'BRIAN , King of Connacht

Ancestors of Tadg macCathaig O'BRIAN , King of Connacht

                               /-Tadg mor macMuirguisso O'BRIAN
                    /-Conchobar macTaidg Moir O'BRIAN
         /-Cathal macConnobaig O'BRIAN , King of Connacht
Tadg macCathaig O'BRIAN , King of Connacht

Descendents of Tadg macCathaig O'BRIAN , King of Connacht

1 Tadg macCathaig O'BRIAN , King of Connacht
  =(Unknown)
    2 Conchobar macTaidg O'BRIAN , King of Connacht
      =(Unknown)
        3 Cathal macConchobair O'BRIAN , King of Connacht
          =(Unknown)

Go To List Of Surnames
For further information email: [email protected]

Tadg macConchbar O'BRIAN , King of Connacht


Father: Conchobar macTaidg Moir O'BRIAN
Death: (Date and Place unknown)

Ancestors of Tadg macConchbar O'BRIAN , King of Connacht

                               /-Muirgius macTommaltaig O'BRIAN , King of Connacht
                    /-Tadg mor macMuirguisso O'BRIAN
         /-Conchobar macTaidg Moir O'BRIAN
Tadg macConchbar O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Tadg maToirrdelbaig O'BRIAN


Father: Toirrdelbach O'BRIAN , of Munster
Death: (Date and Place unknown)

Ancestors of Tadg maToirrdelbaig O'BRIAN

                               /-Brian Boruma MACCENNETIG , King of Munster
                    /-Teige (Terence) O'BRIAN
         /-Toirrdelbach O'BRIAN , of Munster
Tadg maToirrdelbaig O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Tadg mor macMuirguisso O'BRIAN


Father: Muirgius macTommaltaig O'BRIAN , King of Connacht
Death: (Date and Place unknown)

Partnership with: (Unknown)
Child: Conchobar macTaidg Moir O'BRIAN

Ancestors of Tadg mor macMuirguisso O'BRIAN

                               /-Indrechtach macMuiredaig MUILLETHAIN
                    /-Two GENERATIONS
         /-Muirgius macTommaltaig O'BRIAN , King of Connacht
Tadg mor macMuirguisso O'BRIAN

Descendents of Tadg mor macMuirguisso O'BRIAN

1 Tadg mor macMuirguisso O'BRIAN
  =(Unknown)
    2 Conchobar macTaidg Moir O'BRIAN
      =(Unknown)
        3 Cathal macConnobaig O'BRIAN , King of Connacht
          =(Unknown)
        3 Aed macConchbair O'BRIAN , King of Connacht
        3 Tadg macConchbar O'BRIAN , King of Connacht

Go To List Of Surnames
For further information email: [email protected]

Tadhg macConchbhair O'BRIAN , Tanaiste


Father: Conchobar macToirdhealbaig O'BRIEN
Mother: Annabell of BURGH
Death: (Date and Place unknown)

Ancestors of Tadhg macConchbhair O'BRIAN , Tanaiste

                               /-Tadhg an Chomhaid MACTOIRDHEALBHAIG
                    /-Toirdhealbhach Donn macTaidhg O'BRIEN
         /-Conchobar macToirdhealbaig O'BRIEN
         |          |          /-John MACNAMARA
         |          \-Raghnailt MACNAMARA
Tadhg macConchbhair O'BRIAN , Tanaiste
         |          /-Ulick of Burgh of CLANRICARDE
         \-Annabell of BURGH

Go To List Of Surnames
For further information email: [email protected]

Teige (Terence) O'BRIAN


Father: Brian Boruma MACCENNETIG , King of Munster
Death: 1023

Partnership with: (Unknown)
Child: Toirrdelbach O'BRIAN , of Munster

Ancestors of Teige (Terence) O'BRIAN

                               /-Lorcan MACLACHTNAE
                    /-Cennetig macLorcain of THOMOND , King of Thomond
         /-Brian Boruma MACCENNETIG , King of Munster
         |          |          /-Urchad of Thomond MACLORCAIN , King of Thomond
         |          \-Be Bind ingen URCHADA
Teige (Terence) O'BRIAN

Descendents of Teige (Terence) O'BRIAN

1 Teige (Terence) O'BRIAN
  =(Unknown)
    2 Toirrdelbach O'BRIAN , of Munster
      =(Unknown)
        3 Muirchertach II Mactoirdelbaig O'BRIAN
          =(Unknown)
        3 Diarmait macToirrdelbaig O'BRIEN
          =(Unknown)
        3 Tadg maToirrdelbaig O'BRIAN
        3 Donnchad MacToirrdelbaid O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Toirdelbach macDonnchada O'BRIAN


Father: Donnchad Cairprech macDomnail MOIR
Death: (Date and Place unknown)

Ancestors of Toirdelbach macDonnchada O'BRIAN

                               /-Toirrdelbach macDiarmata O'BRIEN
                    /-Donnell mor macToirrdelbaid O'BRIAN
         /-Donnchad Cairprech macDomnail MOIR
         |          |          /-Diamait macDonnchada MACMURCHADA
         |          \- URLACHAN
         |                     \-Mor ingen Muirchertaig O'TOOLE
Toirdelbach macDonnchada O'BRIAN

Go To List Of Surnames
For further information email: [email protected]

Toirdhealbhach macConchobhair O'BRIAN , Sir


Father: Conchobar macToirdhealbaig O'BRIEN
Mother: Annabell of BURGH
Death: (Date and Place unknown)

Ancestors of Toirdhealbhach macConchobhair O'BRIAN , Sir

                               /-Tadhg an Chomhaid MACTOIRDHEALBHAIG
                    /-Toirdhealbhach Donn macTaidhg O'BRIEN
         /-Conchobar macToirdhealbaig O'BRIEN
         |          |          /-John MACNAMARA
         |          \-Raghnailt MACNAMARA
Toirdhealbhach macConchobhair O'BRIAN , Sir
         |          /-Ulick of Burgh of CLANRICARDE
         \-Annabell of BURGH

Go To List Of Surnames
For further information email: [email protected]