I am not a relative, only a researcher who lives in this area. The following is in the following source:

L.C. COLE 1847 - 12 Oct 1926
(buried in Mt. Vernon cemetery)

Would this be yours?

Source: Ford, Don. CEMETERY INSCRIPTIONS - ATCHISON COUNTY, KANSAS. Bowie,
Maryland: Heritage Books, 1987. [Includes all cemeteries in Atchison County, Kansas,
except for Oak Hill Cemetery and Mount Calvary Cemetery, north of Atchison.]