Born in Edgefield Co, SC on ABT 1767 to George Longmire and Frances Garrett. Garrett Longmire married Henrietta Belcher and had 14 children. He passed away on 26 Feb 1847 in Turnbull, Monroe, Alabama, United States.
Garrett Longmire had an early trading center, tavern and stage stop near here. He served as the postmaster when his store became a post office in 1818, one of the earliest in what was then the Alabama Territory. The Burnt Corn Post Office served as a distribution point for mail to many early post offices in south Alabama. In December of 1820, Longmire became Justice of the Conecuh County Court.