In the 1930 Census for Callahan Township, Siskiyou County, California The family of John Hayden was enumerated as follows:
Dwelling #69; Family #69
Hayden, John F.; Head, Owns farm home; M; W; 66; Married; 51 when married; Can read and write; b. California; Both parents b. Maine; Speaks English; Farm operator; Farming; Employer; At work previous work day; Non-veteran; Farm Schedule 22
Hayden, Luella; Wife; F; W; 66; Married; 41 when married; Can read and write; b. California; Both parents b. New York; Speaks English; No occupation
Barnum, A. L.; Brother-in-law; M; W; 64; Widowed; 30 when married; Can read and write; b. California; Both parents b. New York; Speaks English; Laborer; Odd jobs; Wage earner; At work previous workday; Non-veteran
Cox, Lloyd; M; W; 23; Single; Can read and write; b. California; Father b. Washington; Mother b. California; Speaks English; Laborer; Odd jobs; Wage earner; At work previous workday; Non-veteran