1900 Census Justice Precinct 3, Wilson, Texas
Name AgeMary E Heathcock 56
John A Heathcock 33
William C Heathcock 18Leona Heathcock 16
Margaret Heathcock 13
Alva Heathcock 9
Ethel Heathcock 6
1910 US Census of Bexar Co., Texas, ED78 sht 13B Dwelling 205, Family 218Heathcock, William C., Head, M W 29, S, Texas, Louisiana, Louisiana, Farmer
Heathcock, Mary E., Mother, F W 60, Wd, 12/6, Louisiana, Mississippi, Louisiana
Heathcock, Ethel, Sister, F W 16, S, Texas
Holland, Stell, Nephew, M W 10, S, Texas, Texas, Texas
On his WWI Draft Registration card (12 September 1918),
25 his birthday is given as 27 December 1878. He was 39 at that time and gave his nearest relative as his brother, J. H. Heathcock.
1930 Census of Wilson Co TX
Name AgeStell Holland 31
Hattie Holland 27
Inez Holland 4
Collins Heathcock 13 cousin
Will Heathcock 50 uncle
The Social Security Death Index gives William C. Heathcock, 452-86-6242, San Antonio, Bexar Co TX, with birth date of 14 Dec 1880 and death date of 15 Jan 1969. His death certificate indicates that he was never married.