In the 1860 US Census for Benton, Berrien County, Michigan the family of John Barnum was enumerated as follows:
Dwelling #1726; Family #1686
John Barnum, 22, M, Farmer, Real property $500, Personal property $100, b. New York
Roxana Barnum, 24, F, b. New York
Betsy A. Barnum, 2, F, b. Michigan
Cora Barnum, 7/12, F, b. Michigan
In the 1870 US Census for Lawrence, Van Buren County, Michigan the family of John Barnum was enumerated as follows:
Dwelling #246; Family #246
Barnum, John; 33; M; W; Farmer; Real porperty $1,320; Personal property $600; b. New York; Male citizen of the US of 21 years of age and upwards
Barnum, Roxina; 33; F; W; Keeping house; b. New York
Barnum, Betsy A.; 12; F; W; At home; b. Michigan
Barnum, Nora; 4; F; W; b. Michigan
Barnum, Sarah; 8/12; F; W; b. Michigan; b. Oct