Presbyterian church in Armagh, Pennsylvania from a pre-1923 postcard From RG 428, Postcard Collection, Presbyterian Historical Society, Philadelphia, Pennsylvania. The Armagh Presbyterian Church was built in 1835-6, with roots that go back to 1786, with a log church built in 1820. It was merged in 1963 into the Armagh-Seward Presbyterian Church about 3.5 south in Seward, PA. The cemetery remains in Armagh along Route 56. News story - Armagh-Seward Presbyterian Church observes 50th anniversary of merger. This building was destroyed in 2004 after being hit by a truck.