Herman Thomas & his wife Opal are buried at Walnut Hills Cemetery but Opal's date of death is not recorded on the website, only her date of birth.

http://ingenweb.org/inpike/Waswhm.htm
Walnut Hills Cemetery, Washington Twp., Pike County, Indiana

CUNDIFF, Herman T.
4-13-1896 - 10-30-1954
Ind Wagoner Co A 113 Engrs WWI
dad

CUNDIFF, Opal,
b. 5-24-1903
mom
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http://ingenweb.org/inpike/CemdexC.htm

Cemetery Index:
Cundiff, Anthony Scott = Wal. Hills - N
Cundiff, Herman T. = Wal. Hills - M
Cundiff, Opal = Wal. Hills - M
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http://ingenweb.org/inpike/Waswhn.htm
CUNDIFF, Anthony Scott, 1-23-1968 - 1-25-1968