In the 1870 Census he was called Zenor Barnum, his birthplace was given as Louisiana and his wife's name as Susanne; in the 1880 Census he was called Zens Barnum, his birthplace was given as Massachusetts and his wife's name as Susan.
In the 1870 US Census for Natchitoches, Natchitoches County, Louisiana the family of Zenor Barnum was enumerated as follows;
Dwelling #148; Family #148
Barnum, Zenor; 38; M; Mulatto; Carpenter; Personal property $125; b. Louisiana; Male citizen of US of 21 years of age and upwards
Barnum, Susanne; 23; F; Mulatto; Keeping house; b. Louisiana
Barnum, Estelle; 4; F; Mulatto; b. Louisana
[Note: This family was living next door to Sam Parson, the County Sheriff].
In the 1880 US Census for Natchitoches, Natchitoches County, Louisiana the family of Zenor Barnum was enumerated as follows;
Dwelling #252; Family #297
Barnum, Zens; Mulatto; M; 48; Married; Carpenter; Cannot read or write; b. Massachusetts; Both parents b. Massachusetts
Barnum, Susan; Black; M; 35; Wife; Married; Housewife; Cannot read or write; b. Louisiana; Both parents b. Massachusetts
Barnum, Estelle; Mulatto; F; 14; Daughter; Single; Housekeeper; Attended school within the year; Cannot write; b. Louisiana; Father b. Massachusetts; Mother b. Louisiana
Barnum, Thomas; Mulatto; M; 8; Son; Single; b. Louisiana; Father b. Massachusetts; Mother b. Louisiana
Barnum, James; Mulatto; M; 6; Son; Single; b. Louisiana; Father b. Massachusetts; Mother b. Louisiana
Barnum, Harriet; Mulatto; F; 6/12; b. Nov. 1879; Daughter; Single; b. Louisiana; Father b. Massachusetts; Mother b. Louisiana