At the time of the baptisms of Thomas (1728), Grace (1730), James (1731), Martha (1735) the family was noted as living at Tresco.3

Acknowledgements:
• Phill Deason, Isles of Scilly, Cornwall, England
• Rick Smith, Launceston Tasmania, Australia
• Duff family researchers (ex Rick Smith, Launceston, Tasmania, Australia)
• R M Baxter research (ex Reg Deason, Christchurch, New Zealand

General references:
• International Genealogical Index (1998-2006), Parish Baptismal, Marriage and Burial records, extract Greg Campbell, 2004, 2005, 2006 & 2007, for Deason, Cornwall, England (ref – D_Doc_#101, #102 & #103)
• www.conwalleng.com, 2005, Cornwall Parish Register index - Births & Marriages, extract Greg Campbell, Oct 2005, for Deason (ref – D_Doc_#101 & #102)
• Federation of Family History Societies & Associates, 2004, National Burial Index, Edition 2, (1813-1837), extract Greg Campbell, Dec 2004 for Deason, Cornwall (ref – D_Doc_#103)
• Leslie Deason & Phill Deason, c1960–2004, Deason Family Tree, transcribed Greg Campbell, 2004 (ref- D_Doc_#127)
• Rick Smith, 2005, Deason Family Tree (ref – D_Doc_#136)
• Duff family research, 2005, Deason Family Tree, extract July 2005, Rick Smith for Deason, Cornwall (ref – D_Doc_#139 & #140)
• Cornwall On-line Census Project, 2008, Cornwall Baptisms pre & post 1813, extract June 2008, Greg Campbell for Deason, Cornwall (ref-D_Doc_#212)
• Cornwall On-line Parish Clerk, Cornwall Baptisms, extract June 2008, Greg Campbell for Deason, Cornwall, 1755 to 1900 (ref-D_Doc_#224)
• Cornwall On-line Parish Clerk, Cornwall Marriages, extract June 2008, Greg Campbell for Deason, Cornwall, 1700-1904 (ref-D_Doc_#222)
• Cornwall On-line Parish Clerk, Cornwall Burials, extract June 2008, Greg Campbell for Deason, Cornwall, 1700-1904 (ref-D_Doc_#226)
• R M Baxter, 1975, Deason Family Tree (ref – D_Doc_#149, #150 & #151)
• Phill Deason, 2004, Correspondence