In Great Britain : 12 178 people share the surname Nolan according to our estimation The surname Nolan is the 812nd most common name in Great Britain.
This famous Irish surname is recorded in the varied spellings of O'Nolan, O'Noulane, O'Noland, O' Nowlan, and the short forms of Nolan, Nowlan, and Nowland. However spelt today it is an anglicized form of the original pre 12th century Gaelic O'Nullain, which translates loosely as 'The descendant of the crier', probably a reference to the first chief of the clan who held the hereditary office of herald to the Kings of Leinster. The chief was known as the Prince of Foherta, and he held the barony of Foherta, the modern barony of Forth. A branch of the family migrated.