Seymour and Percy, Ontario Census, shows: Census Year: 1901; Place: Seymour Tp.; Film: T-6485; Div: 5; Page: 2; Entry: 9; Fam: 13; Surname: Barnum; Given Name: Mary A.; Rel. to Head: wife; Birthdate: Dec 16, 1830; Birthplace: Ontario; Immigration: -.
Mary Ann Duncan was buried in Zion United Cemetery, Petherick's Corners, Seymour Township, Northumberland County, Ontario, Canada.
Birthdate calulated from her age given at death.
She was buried in Zion Cemetery.