↑Census Records 1901 National Census, Ontario North(97), Mara(h-4), p 6.
QUAY 3 #22, Duffy, John, single, born Ont. 31 March 1880, age 21; irish origin, R. Cath.[worked as a farm laborer for Peter Devlin]
↑Church baptism record St. Columbkille's R. C. Ch., Uptergrove, Simcoe Co., Ont.; LDS film # 1305889, item # 2, p. 20.
QUAY 3 "John Henri Duffy, born Mara 31 March '80, baptized 13 June '80; son of John Duffy, born Ireland and Ann Valony, born Ireland; sponsors: ; by P. Rey"