For background on how the map was made (and its flaws), see the relevant blog entry.
|Mac Ruaidh||Mac Roe: fíor-annamh: Fear Manach-Muineachán.|
|MacRoe||Very rare: Fermanagh-Monaghan. Ir. ? Mac Ruaidh.|
|Ó Ruaidh||Roe: líonmhar: Lár na Tíre. Ach bhain an sloinne seo oirthear Chorcaí agus Port Lairge, marar deineadh Ormonde díobh go luath.|
|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.|
DEDs where Roe and a second surname are found together