In the 1850 US Census for Buffalo Ward 4, Erie County, New York the family of Ezra W. barnum was enumerated as follows:
Dwelling #789; Family #828
Ezra W. Barnum, 30, M, Cigar maker, b. New York
Maria Barnum, 34, F, b. New York
Frances H. Barnum, 3, F, b. New York
Ysabella Barnum, 1, F. b. New York
Ezra B. Barnum, 6/12, M, b. New York
Charlotte Barnum, 53, F, b. Connecticut
The Civil War service of Ezra Wakeman Barnum was as 1st Sergeant of Company "C", 1st Regiment, Connecticut Heavy Artillery. He enlisted 23 May 1861, giving his residence at that time as Suffield, Connecticut.