I have the obit of Thomas Marion Cast and it says he was born 29 Mar 1850.
I'll post the obit on the ancestry board and it will be sent to the list.
His tombstone shows 1850-1931. He is buried in Rush Springs, OK.
Tombstone photo here:
http://freepages.genealogy.rootsweb.com/~t42cemeteries/Oklahoma/Grady/Rus...
If the link able doesn't work for you because it is too long you can go to.
http://www.teafor2.com and browse the list for Rush Springs Cemetery.
Gene Phillips