In the 1850 US Census for Sheshequin, Bradford County, Pennsylvania the family of John Barnum was enumerated as follows:
Dwelling #249; Family #252
Barnum, John; 46; M; Farmer; b. Pennsylvania
Barnum, Elizabeth; 45; F; b. Pennsylvania
Barnum, Elias; 21; M; Farmer; b. Pennsylvania
Barnum, Rachel; 17; F; b. Pennsylvania
Barnum, Amos; 16; M; Farmer; b. Pennsylvania
Barnum, William; 14; M; b. Pennsylvania
Barnum, Sarah; 10; F; b. Pennsylvania
Barnum, Charity; 8; F; b. Pennsylvania
Barnum, John; 7; M; b. Pennsylvania
Barnum, Ezra; 3; M; b. Pennsylvania
John's younger brother Burgess and his family were living nearby.
In the 1860 US Census for Hamilton, Van Buren County, Michigan the family of John Barnum was enumerated as follows:
Dwelling #1222; Family #1212
John Barnum, 58, M, Farmer, Real property $1,000, Personal property $500, b. New York
Elizabeth Barnum, 56, F, Domestic, b. New York
John Barnum, 18, M, Farm laborer, b. New York, Attended school within the year
Ezra Barnum, 14, M, b. Pennsylvania, Attended school within the year
Charity Barnum, 19, F, Domestic, b. New York
Elias Barnum, 30, M, Farmer, Real property $800, Personal property $200, b. New York
Charlotte Barnum, 24, F, b. New York
Flora E. Barnum, 2, F, b. Michigan