For background on how the map was made (and its flaws), see the relevant blog entry.
Duffy | Very numerous: Leinster, Ulster, Connacht - it takes the form Duhig in Munster and Dooey in Ulster. Ir. Ó Dubhthaigh, mod. Dufaigh. Perhaps dubhach = gloomy. IF & SGG. |
Ó Dubhthaigh | rare: Dublin etc. Ir.Lang. See Duffy. |
Ó Dubhthaigh | O'Duffy, Duhig &rl: an-líonmhar: Connachta, Ulaidh, Laighin. Tugtar Duhig orthu sa Mhumhain agus Dooey in Ultaibh. Bhí clanna tábhachtacha i dTír Chonaill (mar a rabhadar ina n-airchinnigh ar feadh ocht gcéad blian), i Ros Comáin agus i Muineachán. Bhí an t-ainm Dubhthach (fear dubh) coitinn anallód. Litriú nua: Ó Dufaigh. IF. |
O'Duffy | Quite numerous: Dublin etc. Ir. Ó Dubhthaigh (the dark one). See Duffy. |
DEDs where Duffy and a second surname are found together
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