Volume II Brown Genealogy, Part 1 Many of the Descendants of Thomas, John, & Eleazer Brown, By Cyrus Henry Brown, 1915, page 71
Find a Grave, database and images (https://www.findagrave.com/memorial/119396628/mary-m-allen: accessed 18 November 2022), memorial page for Mary M Allen (1874–1929), Find a Grave Memorial ID 119396628, citing Forest Lawn, Buffalo, Erie County, New York, USA; Maintained by Jay Boone (contributor 46889203) .
United States Federal Census Year: 1880; Census Place: Buffalo, Erie, New York; Roll: 830; Page: 119C; Enumeration District: 142