From Ancestry.com (I’ve left the names as transcribed - they are not correct spellings)
1910 US Census Franklin County, Arkansas W. L. Hargrove29 Vina Hargrove28 Irvin Hargrove 8 D*ie Hargrove6 Elmer Hargrove4 Mamie Hargrove2
An Ancestry.com user has suggested the following name is the full name for W. L. Hargrove: William Lindon Hargrove Birth date for William Lyndon Hargrove, per WWI draft registration card, is 15 January 1881.
In 1920 and 1930 William and Vivi Hargrove still lived in Franklin County, Arkansas
A family tree posted on Ancestry.com (called “The Ancestors of Dora Hargrove”) includes this family. According to the tree, William died in Riverside, California. According to the tree, Elmo Clifton Hargrove died 1984 in Tuolumne, California; married Isabel Dora Atkins According to the tree, Newton Richard Hargrove born 1910 died in San Bernardino, California (Social Security Death Index gives Newton’s year of death as 1983) The Ancestry tree includes a photo labeled “James, Chet, Newt, and Elmo Hargrove” According to the tree, Mamie’s name is Mamie Vandelia Hargrove, born 1905; a Mamie Hargrove married J.D. Hale in Franklin County, Arkansas.
This is probably Newton in 1940: 1940 Chino, San Bernardino, California Newton Hargrove 30, born about 1910 in Arkansas Elda Hargrove 24 Richard Hargrove 4 Edward Hargrove 1
This may be Mamie in 1940: 1940 Santa Paula, Ventura, California James D. Hale 36 born about 1904 in Arkansas Mamie Hale born about 1908 in Arkansas Jimmie P. Hale 13 born about 1927 in Arkansas Harold E. Hale 11 born about 1929 in Arkansas
You have found census information for Irvin Hargrove and his wife Myrtle Daniels in Chino, San Bernardino, California.