In the 1850 US Census for Sunfield, Eaton County, Michigan the family of Daniel Barnum was enumerated as follows:
Dwelling #1249; Family #1273
Daniel Barnum, 43, M, Farmer, Real property $400, b. Vermont
Betsey Barnum, 36, F, b. New York
Margaret A. Barnum, 16, F, b. New York, Attended school within the year
Ruby M. Barnum, 12, F, b. Michigan, Attended school within the year
Charles Barnum, 8, M, b. Michigan, Attended school within the year
Wm. H. H. Barnum, 4, M, b. Michigan
Harriett A. Barnum, 4, F, b. Michigan
Polly E. Barnum, 1, F, b. Michigan