In the 1850 US Census for Newark, Rock County, Wisconsin the family of Timothy Barnum was enumerated as follows:
Dwelling #291; Family #228
Timothy Barnum, 39, M, Farmer, Real property $2,000, b. Ohio
Sarah Barnum, 36, F, b. Ohio
Mary S. Barnum, 16, F, b. Indiana, Attended school within the year
Harriet S. Barnum, 14, F, b. Indiana, Attended school within the year
John Barnum, 12, M, b. Indiana, Attended school within the year
Sarah S. Barnum, 10, F, b. Indiana, Attended school within the year
Phanuel Barnum, 8, M, b. Indiana, Attended school within the year
Ellinor [sic] Barnum, 6, F, b. Indiana, Attended school within the year
[Note: the family of his brother James M. Barnum was living next door].