Nolan, Nowlan, ó Nualláin A Gaelic surname meaning descendant of Nuallan a diminutive of Nuall meaning ‘famous’. A sept who were known as Chiefs of Fothart Feadha i.e. barony of Forth in Carlow, this sept had the privilege of inaugurating MacMurrough as King of Leinster, a branch migrated to east Connacht and Longford. A sept of the Corcu Loíghdhe in south-west Cork. In Fermanagh it is an anglicised form of ó hUltacháin (Hultaghan). In Roscommon and Mayo is used synonymously with Holohan. In 1890 Nolan was the fortieth most numerous surname in Ireland, the estimated number of bearers was 14,300, and it was principally to be found in Dublin, Wexford, Carlow, Wicklow, Kildare, Kerry, Tipperary, Mayo and Galway. In the United States Nolan is the 741st most numerous surname with an estimated 44,000 bearers, Nolen is the 2,746th most numerous surname with an estimated 13,750 bearers, and Nolin is the 9,520th most numerous surname with an estimated 2,750 bearers. It is numerous in the state of Connecticut. In England and Wales in 1996 Nolan was the 425th most numerous surname.