Warren (Cork)	Warren (Killiney)	Warren (Offaly)	Warren (Surrey)	Warren (England)

The name Warren in Ireland is often derived from the native Gaelic O'Murnain Sept of County Cork. The medievel form of this Sept name was Iwarrynane. The name was also brought to County Dublin by settlers from England where it is ultimately of French origin being derived from 'de la Varenne'.