-John Davidson of Prince Edward County, Va., Virginia Line, American Revolution
-Dr. Richard Davidson of Kentucky, U.S. Army, Fort Adams, Miss., 1804-1807, and surgeon at the Battle of New Orleans, War of 1812
-Louis M. Davidson of Mississippi, Pvt., Mexican War
-Roland J. Davidson of New Orleans, U.S. Army Air Corps, World War II and Korean War
-Kerry J. Davidson, U.S. Army, Vietnam War

Various other collateral family members in all branches of service, from Revolution to present-day campaigns.