You should use the free search tool at https://familysearch.org/search and plug in the various names/dates/locations. A Thomas J or John Thomas Cash b. abt 1914 in Goliad appears to be the son of Arthur Thomas Cash and Sarah (Sadie) Prescott. There is much more information on this lineage on that site including parents, siblings etc. Using the search feature you can probably trace this lineage.
Examples below:
U S Census, 1920 Goliad, Texas
Citing this Record "United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MC9Z-CDB
SELF Arthur T Cash M 41y Texas
WIFE Sadie R Cash F 31y Texas
DAU Ruby V Cash F 15y Texas
DAU Myrtle I Cash F 13y Texas
SON Doyle M Cash M 11y Texas
DAU Helen Cash F 8y Texas
SON Thomas J Cash M 6y Texas
SON Ray Chilton Cash M 1y3m Texas
More results on ancestry of Arthur Thomas Cash and Sarah Prescott:
https://familysearch.org/search/record/results#count=20&query=%2Bgivenname%3Aarthur~%20%2Bsurname%3Acash~%20%2Bbirth_place%3Atx~%20%2Bbirth_year%3A1875-1883~%20%2Bspouse_givenname%3A%22sadie%20r%22~
