William Óg de Burgh

Sir William Óg de Burgh
Native nameUilleag Óg de Búrca
BornGalway, Ireland
Died1270
Noble familyHouse of Burgh
IssueSir William Liath de Burgh (d.1324)
FatherRichard Mor de Burgh, Lord of Connaught
MotherEgidia de Lacy

Sir William Óg de Burgh (English: /dəˈbɜːr/ də-BUR; died 1270) was an Anglo-Irish noble and soldier who was the ancestor of the Earls of Clanricarde and the Mac William Iochtar (Burkes of County Mayo).