In the 1850 US Census for Waterford, Oakland County, Michigan the family of Thomas Barnum was enumerated as follows:
Dwelling #1506; Family #1532
Thos. Barnum, 44, M, Farmer, b. New York
Huldah Barnum, 42, F, b. Connecticut
Chloe Barnum, 17, F, b. New York, Attended school within the year
Thos. Barnum, 11, M, b. New York, Attended school within the year
Rosetta Barnum, 8, F, b. New York, Attended school within the year
Hartson Barnum, 6, M, b. New York, Attended school within the year
Nelson Mann, 19, M, Farmer, b. Vermont, Attended school within the year
Chloe Barnum, 74, F, b. Massachusetts
This family was living at Pontiac, Oakland, Michigan in 1874.
1880 Census. Place Fort Gratiot, Saint Clair, Michigan, Family History Library Film 1254604, NA Film Number T9-0604, Page Number 206B, Thomas BARNUM Household, Male, Other Information: Birth Year <1805>, Birthplace NY, Age 75, Occupation Retired Farmer, Marital Status M , Race W , Head of Household Thomas BARNUM, Relation Self, Father's Birthplace NY, Mother's Birthplace NY.