Zachariah Lamar (A4), son of John Lamar (A3), was born about 1745. He was a Lieutenant Colonel in the Georgia Militia during the Revolution in the regiment commanded by Colonel Elijah Clark of Georgia. Zachariah Lamar never married and left no issue.
Lemar, Harold Dihel. History of the Lamar or Lemar Family. Omaha: Cockle Publishing, 1941. 54.