No O'Mullan households in Griffith's.
|Mollan||rare: scattered. Variants of Mullan, q.v.|
|Mullan||Very numerous: Ulster generally etc. Ir. Ó Maoláin, dimin. of maol, bald, blunt. The most important sept was in Derry. See also Mullen and Mullin(s).|
|Mullane||numerous: W Limerick-Cork etc. Ir. Ó Maoláin. A locally-based name synonymous with Mullan, Mullen, Mullins, q.v.|
|Mullen||Very numerous: all areas, remarkably even distribution. Mullen is predominent in the North, Mullins in the South. Ir. Ó Maoláin. Septs existed in Galway and Derry. It must be noted that an English name Mullins also exists and is surely present.|
|Ó Maoláin||rare: scattered. Ir.Lang. See Mullen.|
|Ó Maoláin||Mullane, Mullen: an-líonmhar: gach aird. Aithnítear clanna i nDoire, Gailimh agus Corcaigh. Tá an leagan Mullane i Luimneach thiar agus Corcaigh. Maolánach dob'ea máthair Dhónaill Uí Chonaill. SGG & IF.|
|O'Mullan||fairly rare: N Antrim. Ir. Ó Maoláin, maol, bald, abrupt. A sept of Derry associated with the O'Kanes. IF.|
|O'Mullane||Quite numerous: Cork etc. Ir. Ó Maoláin (see O'Mullan). This name is common through the country in various forms. See Mullane, Mullen, Mullins, Moylan. IF & SGG.|
Parishes where O'Mullan and a second surname are found together
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