In the 1850 US Census for District 1, New York Ward 7, New York the family of Jeremiah G. Barnum was enumerated as follows:
Dwelling #842; Family #1891
Jeremiah G. Barnham, 39, M, Clothier, b. New York
Henrietta Barnham, 30, F, b. New York
Henrietta Barnham, 11, F, b. New York, Attended school within the year
Jeremiah G. Barnham, 9, M, b. New York, Attended school within the year
Robert D. Barnham, 1, M, b. New York
L. Hawkins, 40, F, b. New York
Cath Butler, 20, F, b. Ireland
Joseph Ludlam, 40, M, Sea captain, b. New Jersey
Mrs. M. Ludlam, 33, F, b. New Jersey
Joseph Ludlam, 12, M, b. New Jersey, Attended school within the year