In the Irish Civil War, Lennon took the anti-treaty side and fought at the Battle of Waterford in July 1922 but resigned when it became obvious that the war would prove ruinous for Ireland.
In the Irish Civil War, Lennon took the anti-treaty side and fought at the Battle of Waterford in July 1922. Retreating westward he subsequently resigned in a letter to O/C Liam Deasy when it became obvious that the war would prove ruinous for Ireland.