William Sinclair was born in 1901 in Loughgall, County Armagh, Ireland, United Kingdom, son of George Sinclair (~1847–1938) and Elizabeth Unknown (~1862–1948).
Billy married Priscilla Unknown (born about 1902) in Loughgall, Northern Ireland. Their children were:
Billy died on June 4, 1955 in Ireland, aged 53
Find a Grave, database and images (https://www.findagrave.com/memorial/180201222/george-sinclair: accessed February 14, 2024), memorial page for George Sinclair (unknown–19 Apr 1938), Find a Grave Memorial ID 180201222, citing Loughgall Old Graveyard, Armagh, County Armagh, Northern Ireland; Maintained by shazcardy (contributor 48364972).
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