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| Mulvaney | numerous: Midlands, Sligo-Roscommon, Dublin: Ir. Ó Maolmhaghna or Ó Maoilmheana. This is a Leinster name but it may be synonymous with Mulvenna in Ulster. SI. |
| Mulvenna | Quite numerous: Antrim-Down etc. Ir. Ó Maoilmheana, servant of Meana. They were a literary family attached to the O'Kanes of Derry; in the upheavals of the 17 cent, they moved to Antrim. MIF. |
| Ó Maoilmheana | Mulvenna: líon beag: Aontroim-an Dún. Clann a bhí ina n-ollúna ag Ó Catháin i nDoire faoin sean-reacht. Ní fios cé h-é Meana. |
| O'Melvenna | Very rare: Antrim. Ir. Ó Maoilmheana. A legal family of N Ulster, associated with the O'Kanes of Derry. SI & SGG. |
Parishes where a Mulvenna and a second surname married each other.