The DAR conducted a transcription of a record for Chapman Farm Cemetery between 1973-4. It was published in Volume 417 of the Genealogical Records Committee Reports. Below is a scan of the record obtained from the New York State Library.
Conducting a search David Wisner on Find a Grave, his memorial was found at the Wisner Cemetery: https://www.findagrave.com/memorial/70329578/david-wisner.
The Wisner Cemetery is located east of Olcott, so it is likely that, at the time the record was made, that a Chapman family owned the land. Something to look into in the future…