This may help. Centenary Methodist is still in business. You could write to see if anyone remembers him.
http://find.person.superpages.com/http://find.person.superpages.com/ gave me 200+ entries for Thompson in the area; one "Brian", two "B.". It gave me three numbers for "Partain".
Modesto Bee, p. D-14 Tuesday, 27 Feb 1996
Thomas B. Thompson Jan. 15, 1914 - Feb. 25, 1996
Thomas B. Thompson, 82, of Modesto died Sunday at Hillhaven Care Center.
Mr. Thompson was a native of Rector, Ark. He lived in Modesto 60 years. He was a retired supervisor and had worked for Tri Valley Growers 35 years. He was a member of Centenary United Methodist Church.
He is survived by his children, Jean Partain and Byron Thompson, both of Modesto, and Wallace Thompson of Hughson; brother, Ira Thompson of Arkansas; sister, Eileen Bird of Arizona; and four grandchildren and five great-grandchildren.
A funeral will be held at 1:30 p.m. Thursday at Centenary United Methodist Church. Burial will be held at Lakewood Memorial Park, Hughson. Visitation will be from 5 p.m. to 9 p.m. Wednesday at Colonial Chapel of Franklin & Downs.
Remembrances may be made to Centenary United Methodist Church, 1911 Toyon Ave., Modesto 95350 or Memorial Hospital Foundation, 1329 Spanos Court, Suite C-2, Modesto 95355.
==================================================== If this helps and you have the time, you can pay the favor forward by looking up an obit in your county for someone else.