In the 1880 US Census for Enumeration District 59; Militia District 718; Randolph County, Georgia, taken on 28 June, the family of Jack Barnum was enumerated as follows:
Dwelling #340; Family #349
Barnum, Jack; Black; Male; 63; Married; Laborer; Can read and write; Born in Georgia; Both parents born in Georgia
Barnum, Manda; Black; Female; 43; Wife; Married; Laborer; Can read and write; Born in Georgia; Both parents born in Georgia
Barnum, Columbus; Black; Male; 19; Son; Single; Laborer; Can read and write; Born in Georgia; Both parents born in Georgia
Dwelling #340; Family #350
Barnum, Della; Black; Female; 22; Single; Laborer; Can read and write; Born in Georgia; Both parents born in Georgia
Dwelling #340; Family #350
Barnum, Mary; Black; Female; 4; Niece; Single; At home; Born in Georgia; Both parents born in Georgia
U.S. Federal Census - 1880 Schedules of Defective, Dependent, and Delinquent Classes. Name: Jack Barnum; Township: Cuthbert; County: Randolph; State: Georgia; Previous Residence: Randolph; Enumeration Date: Jun 1880; Schedule Type: Inhabitants in Prison; Schedule Page: 43; Schedule Line: 28; Line Number: 4. [N.B., According to the original document he was a prisoner of the state, lodged in the Randolph County jail awaiting trial on a charge of arson. His date of incarceration was listed as February 1880. It is not clear whether this is the same Jack Barnum as above, or another person by the same name].