The Tourmakeady Ambush or Battle of Tourmakeady occurred on 3 May 1921 during the Irish War of Independence. The South Mayo Brigade of the Irish Republican Army (IRA), commanded by Commandant Tom Maguire ambushed an RIC/Black and Tan re-supply patrol in the village of Tourmakeady, Co. Mayo in the west of Ireland in order to destroy the patrol and to cause the closure of Derrypark RIC Barracks, seven miles to the south.