Hi! This is the only Dickey listed in the 4 volumes of the Elkhart Co. Cemeteries. This must be the John Dickey you are looking for as the time frame is correct and Martha Longcor is buried next to him. Dickey, John d. April 13, 1858 62y. 1m. 28d. calculates to Feb. 16, 1791 (using http://www.progenealogists.com/birthfromdeath.htm Next to him is: Longcor, Martha d. 1846 64y. Joseph R. Murnane Williamson, NY