In the 1850 US Census for Buffalo ward 5, Erie County, New York the family of George G. Barnum was enumerated as follows:
Dwelling #29; Family #47
George G. Barnum, 33, M, Bookkeeper, b. Connecticut
Ellen Barnum, 33, F, b. Ireland
George G. Barnum 7, M, b. New York, Attended school within the year
Ellen C. Barnum, 5, F, b. New York
Allex M. Barnum, 3, M, b. New York
Robert J. Barnum, 4/12, M, b. New York
Margareth Cunningham, 35, F, b. Ireland, Cannot read or write