Seán Treacy
| Seán Treacy | |
|---|---|
| Seán Treacy c. 1919 | |
| Born | John Allis Treacy 14 February 1895 Soloheadbeg, County Tipperary, Ireland. | 
| Died | 14 October 1920 (aged 25) Talbot Street, Dublin | 
| Burial place | Kilfeacle, County Tipperary | 
| Nationality | Irish | 
| Other names | Seán Ó Treasaigh (Irish) | 
| Occupation | Farmer | 
| Known for | IRA activities | 
Seán Treacy (Irish: Seán Ó Treasaigh; né John Allis Treacy; 14 February 1895 – 14 October 1920) was one of the leaders of the Third Tipperary Brigade of the IRA during the Irish War of Independence and one of a small group whose actions initiated that conflict in 1919. He was killed in October 1920, outside No 94 Talbot Street in Dublin in a shootout with British troops during an aborted British Secret Service surveillance operation.