Crehan

Crehan/Crean/O'Crean
O'Creaghan
The O'Crean arms in Sligo Abbey
Parent houseCineál Eoghain
CountryDonegal, Sligo, and Galway
Historic seatCrean's Castle, Sligo

Crehan or O'Crehan is a surname with origins in the west of Ireland. Historically, it was rendered as Crean, O'Crean, Cregan or O'Cregan. Creaghan and O'Creaghan are a mix of the English language and the Irish language. Cryan is another variant of the name.