|Mac Ruaidh||Mac Roe: fíor-annamh: Fear Manach-Muineachán.|
|MacAroe||Very rare: Tyrone-Armagh. Ir. ? Mac an Rua.|
|MacRoe||Very rare: Fermanagh-Monaghan. Ir. ? Mac Ruaidh.|
|Roe||numerous: all areas, especially Midlands, scattered in Ulster. Ir. Ó Ruaidh (red-haired). A sept of E Cork and Waterford, often changed to Ormonde. The name may also be English, though this is more usual as Rowe. See also Mac Enroe. MIF.|
|Rowe||numerous: all areas, especially Ulster and South East. English in general but with some confusion with Roe, q.v. SI.|
Parishes where McRoe and a second surname are found together
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