For background on how the map was made (and its flaws), see the relevant blog entry.
| Donaghan | Very rare: Monaghan. Ir. ? Ó Donnacháin. |
| Donegan | numerous: Midlands, Munster, S W Ulster. Ir. Ó Donnagáin. Relates to a number of separate septs: Cork, W Meath, Monaghan etc. See also Dungan.MIF. |
| Doonigan | Very rare: Midlands. See Dunican. |
| Dunican | fairly rare: Midlands etc. See Donegan. |
| Dunigan | Very rare: Antrim. See also Donegan. |
| Mac Donnagáin | Donnegan: féach Ó Donnagáin. Bhain an chlann sa le Contae an Dúin. D'fhéadfadh Dungan nó fiú Cunningham bheith orthu. |
| Ó Donnagáin | Donnegan: Lár na Tíre, Cúige Mumhan, iar-deisceart Uladh. Bhí clanna éagsúla i gCorcaigh, Tiobraid Árann & rl. Is cosúil go bhfuil meascadh le Ó Duineacháin i Lár na Tíre agus le Mac Donnagáin ó thuaidh. MIF & SGG. |
DEDs where Donogan and a second surname are found together
This list shows total 1901 Donogan households by county.
Click on the county to see detail.
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