For background on how the map was made (and its flaws), see the relevant blog entry.
Ó Ruadhagáin | Rogan: líonmhar: an Dún-Lú & Gaillimh-Maigh Eo. Bhí an chlann sa in Oirghialla lámh le Ard Mhacha agus sa Dún, leis. Comh-shloinne le Ó Ruadhacháin. |
Rogan | numerous: Down-Louth, Befast, Dublin, Galway-Mayo. Ir. Ó Ruadhagáin, dimin of ruadh, red-haired. Originally a sept of Oriel (Armagh-Monaghan). MIF. |
DEDs where Rogan and a second surname are found together
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