In the Memorial Day issue of the Poughkeepsie (NY)Journal, Mon., 29 May 2000, p.2A, there is a photo by staff photographer, Spencer Ainsley, of the gravestone of John Collyer Mahaney buried at the Red Church Cemetery, Tivoli, NY. He was a probable WWI veteran as a flag is decorating his grave in the photo. The dates that can be read on the stone are Dec 17, 189? to Apr 18, 1921. Tivoli, NY is on the Hudson River in northern Dutchess county near the border with Columbia County.