Reuben D. Barnum was County Clerk of Putnam County, New York, 1840-1849 and Notary Public in 1844.
From The Political Graveyard: Index to Politicians: Barnum, Reuben D. — of Putnam County, N.Y. Member of New York state assembly from Putnam County, 1832. Burial location unknown.
The Sears Burying Ground, also called the Old Southeast Burying Ground, belonged to the Church of East Philippi. It is located on the west side of Route 22, just south of the Dykeman Road.