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| Noonan | Very numerous: mainly Munster and South East. Ir. Ó Nuanáin, a corruption of Ó h-Ionmhaineáin from ionmhain, dear, beloved. A sept of N Cork, now numerous in Limerick. IF. |
| Nunan | Quite numerous: Limerick-N Cork etc. Ir. Ó Nuanáin. variant of Noonan, q.v. |
| Ó hIonmhaineáin | Noonan: an-líonmhar: Mumhain & Oir-dheisceart. An leagan bunaidh d'Ó Nuanáin, q.v. Clann a bhí ina gcomharbaí i dTulach Léis agus ina dtiarnaí ar Mhuscraí Uí Nuanáin. Brí: ionmhain (ionúin, anois) = geanúil, muirneach. |
| Ó Nuanáin | Noonan: an-líonmhar sa Mhumhain & san Oir-dheisceart. Claochlú ar an leagan bunaidh Ó h-Ionmhaineáin, q.v. Bhí William Ouhynaunen ina lia ag Rí Shasana sa 14 céad. IF. |
Parishes where a Noonan and a second surname married each other.
This list shows total Noonan Roman Catholic marriages by county.
Click on the county to see detail.