William de Burgh, 3rd Earl of Ulster and 4th Baron of Connaught was an Irish noble who was Lieutenant of Ireland (1331) and whose murder, aged 20, led to the Burke Civil War.
- Occupation
- aristocrat
- Position held
- chief governor of Ireland
- Citizenship
- Lordship of Ireland
- Born
- September 17, 1312
- Died
- June 6, 1333