U.S., Newspapers.com™ Obituary Index, 1800s-current:
Obituary in Long Beach Independent, Long Beach, California:
Obituary dated 19 Nov 1948, John Milton Barnett, died in Anaheim, CA, at the age of 75, his residence was in Long Beach, CA.

1880 United States Federal Census in Penn, Iowa:
Allen Barnett 42 Self (Head)
Louisa J. Barnett 30 Wife
Luella Barnett 11 Daughter
John M. Barnett 6 Son
Bertie S. Barnett 7/12 Son

California, U.S., County Birth, Marriage, and Death Records, 1849-1980:
John M. Barnett and Minnie Jane Francis were married at Whittier, CA on 31 Dec 1896

1900 United States Federal Census in Los Nietos, California:
John Barnett, 26, born Aug 1873, Iowa, tool dresser
Minnie Barnett, 30, born Oct 1869, Illinois, father born in New York, mother born in West Virginia

1910 United States Federal Censusin Los Nietos, California, at 575 Magnolia Ave:
Allen Barnett 71 Head, fruit grower
Louisa J Barnett 59 Wife
John M Barnett 36 Son, chauffer
Minnie J Barnett 40 Daughter-in-law

1920 United States Federal Census in Long Beach, CA, at 627 4th St:
John M Barnett 46 Head, farmer
Minnie J Barnett50 Wife

1930 United States Federal Census in Long Beach, CA at 140 Roswell:
John M Barnett 56 Head
Minnie J Barnett 60 Wife

U.S., City Directories, 1822-1995 in Long Beach, CA, in 1936
Barnett, J Milton (Minnie J) rancher, h 140 Roswell Ave

1940 United States Federal Census in Long Beach, CA at 140 Roswell:
John M Barnett 66 Head, citrus rancher
Minnie J Barnett 70 Wife

California, U.S., Death Index, 1940-1997:
John Milton Barnett, born in Iowa on 9 Aug 1873, son of Barnett and (nee) Lamb, died in Orange on 17 Nov 1948.

U.S., Hinshaw Index to Selected Quaker Records, 1680-1940:
Barnett, John M. ( 1873, 8, 9, Madison, Iowa; d ?; s Allen and Louisa Barnett) m 1896, 12, 13 LA Co, Minnie J Francis (b 1869, 10, 1; d ?; dt H.H. I Miliuda Francis