In the 1900 U.S Census for District 134, Marshall, Saline County, Missouri the family of Edward E. Barnum was enumerated as follows:
Dwelling #85; Family #89
Barnum, Edward E.; Head; W; M; b. Jun 1853; 47; Married 18 years; b. Indiana; Both parents b. Vermont; Real estate agent; Employed full year; Can read, write and speak English; Owns non-farm home with mortgage
Barnum, Harriet H.; Wife; W; F; b. Jun 1857; 42; Married 18 years; Mother of 5 children; 4 children living; b. Missouri; Both parents b. Virginia; Can read, write and speak English
Lilian A. Barnum; Daughter; W; F; b. Sept 1883; 16; Single; b. Missouri; Father b. Indiana; Mother b. Missouri; At school; Attended school 9 months; Can read, write and speak English
Edward E. Barnum, Jr.; Son; W; M; b. Sept 1886; 14; Single; b. Missouri; Father b. Indiana; Mother b. Missouri; At school; Attended school 9 months; Can read, write and speak English
Land Barnum; Son; W; M; b. Nov 1887; 12; Single; b. Missouri; Father b. Indiana; Mother b. Missouri; At school; Attended school 9 months; Can read, write and speak English
Susan B. Barnum; Daughter; W; F; b. Dec 1889; 10; Single; b. Missouri; Father b. Indiana; Mother b. Missouri; At school; Attended school 9 months; Can read, write and speak English