Columbia-Union Presbyterian Church. Active Presbyterian congregations formed early in the county’s settlement:1803 on Col. Casey’s farm & 1827 in Columbia. Church was built in 1857 and has had continuous services ever since. County and city congregations merged in 1912. Columbia-Union Presbyterian Church became the official name in 1925. Over (Reverse) The original sanctuary’s slave balcony was removed in 1885. Civil War involvement includes bullet molds found in the attic, a steeple/ lookout to watch for rebel raiders, and doors that were used as stretchers for the wounded in a skirmish with John Hunt Morgan’s troops in 1863. Limestone steps are original.