In the 1900 US Census for District 221, Deep Creek, Woods County, Oklahoma the family of John Barnum was enumerated as follows:
Dwelling #134; Family #134
Barnum, John; Head; W; M; b. Mch 1859; 41; Married 18 years; b. Iowa; Father b. Vermont; Mother b. New York; Farmer; Employed full census year; Can read, write and speak English; Owns farm home free of mortgage; Farm Schedule 140
Barnum, Jennie; Wife; W; F; b. Sept 1862; 37; Married 18 years; Mother of 3 children; 1 child living; b. Iowa; Father b. Pennsylvania; Mother b. Kentucky; Can read, write and speak English
Barnum, Ethel; Daughter; W; F; b. Nov 1894; 5; Single; b. Oklahoma; Both parents b. Iowa
Barnum, Elihu; Father; W; M; b. Dec 1827; 72; Married 55 years; b. Vermont; Both parents b. Vermont; Can read, write and speak English
Barnum, Eloise; Mother; W; F; b. Jul 1826; 73; Married 55 years; Mother of 8 children; 5 children living; b. New York; Father b. Connecticut; Mother b. Vermont; Can read, write and speak English