In the 1930 US Census for Mesquite Township, Clark, Nevada, the Robert Barnum family is enumerated as follows:
April 3, 1930; S 1st North Street; Dwelling #14; Family #14
BARNUM, Robert; Head; Rents non-farm home; $5/mo; M; W; 27; M; 1st M at 20; did not attend school during previous year; can read and write; b. Nevada; father b. Utah; mother b. Utah; speaks English; Farm Laborer; Farm; Wage worker; not at work previous day; unemployed 10 mo. during year; non-veteran
BARNUM, Ida; Wife; F; W; 29; M; 1st M at 23; did not attend school during previous year; can read and write; b. Nevada; father b. Utah; mother b. Utah; speaks English; no occupation
BARNUM, Lorna; Daughter; F; W; 6; S; did not attend school during previous year; b. Nevada; father b. Nevada; mother b. Nevada; no occupation
BARNUM, Juanita; Daughter; F; W; 4 5/12; S; did not attend school during previous year; b. Nevada; father b. Nevada; mother b. Nevada; no occupation
BARNUM, Ernest R.; Son; M; W; 2 1/12; S; did not attend school during previous year; b. Nevada; father b. Nevada; mother b. Nevada; no occupation
S 1st North Street; Dwelling #14; Family #15
BARNUM, Martha A.; Head; Non-farm; F; W; 72; M; 1st M at 19; did not attend school during previous year; can read and write; b. Utah; father b. Vermont; mother b. Wales; speaks English; no occupation [This is Robert's mother, Martha Ann (Pulsipher) BARNUM].