Crehan
| Crehan/Crean/O'Crean O'Creaghan | |
|---|---|
The O'Crean arms in Sligo Abbey | |
| Parent house | Cineál Eoghain |
| Country | Donegal, Sligo, and Galway |
| Historic seat | Crean'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.