
On July 31, 1920, the 3rd Tipperary Brigade Irish Republican Army (IRA), under the leadership of Dinny Lacey, carries out two successful ambushes in southern County Tipperary. These actions are part of the IRA’s broader campaign of guerrilla warfare against British Crown Forces during the Irish War of Independence.
The 3rd Tipperary Brigade is one of the most active IRA units in mid-Munster, operating mainly in southern County Tipperary and parts of County Limerick. It is known for its mobility and effectiveness in ambush tactics. Dinny Lacey, as a senior commander, is instrumental in planning and executing these operations.
While the exact details of the July 31 operations are not fully documented in the provided sources, the date falls within a period of intense IRA activity in the region. In July 1920, the IRA has already conducted several notable actions in County Tipperary, including the Newtown Cross Ambush on July 2, 1920, in which Sergeant Robert Tobin is killed and Constable Brady is wounded, and the Dingle Ambush on July 13, 1920, in which two Royal Irish Constabulary (RIC) men are killed.
These earlier incidents show that IRA forces in southern County Tipperary are actively targeting RIC patrols and outposts, and the July 31 ambushes are likely part of a similar pattern of harassment and disruption.
Successful ambushes like these weaken British control in rural County Tipperary, disrupt police and military operations, demonstrate the IRA’s ability to strike quickly and effectively in difficult terrain and contribute to the overall IRA strategy of attrition and intimidation.
The brigade continues to operate under Lacey’s leadership until his death in 1923 during the Irish Civil War. His tactics in 1920 help establish the 3rd Tipperary Brigade as a key player in the IRA’s campaign in the south.
In summary, on July 31, 1920, Dinny Lacey’s IRA unit in southern County Tipperary executes two successful ambushes, continuing a series of targeted attacks that are central to the IRA’s guerrilla campaign against British forces in the region.
(Pictured: Dinny Lacey, senior commander, 3rd Tipperary Brigade, Irish Republican Army)








