Many of the Presbyterian Church records (even those prior to church union in 1925) can be found in the archives of the United Church of Canada.
Index To The Centenary Of The Presbyterian Church In Canada 1875-1975, Historical Sketch Of McDonalds Corners, Snow Road And Elp
- Snow Road is in Palmerston Township (Frontenac County)
- Elphin is in North Sherbrooke Township (Lanark County)
- McDonald's Corners is in Dalhousie Township (Lanark County)