by Mari ingen Briain meic Donnchada (Kathleen M. O'Brien)
© 2005-2007 by Kathleen M. O'Brien. All rights reserved.
Version 1.2, updated 03 November 2007
The headers in Woulfe are Gaelic. Many include a character with a punctum delens (which looks like a dot over the letter). Throughout this article, I have translated these characters as the letter, followed by a period. Since these characters are routinely transliterated as the letter with an h after it, I have also included the "h" transliteration in parentheses after each header listing.
For example, Woulfe lists the header Albanac.. By the notation c., I'm indicating that a punctum delens appears over the c. When listing this header, I've listed it as:
Albanac. (Albanach)with the standard transliteration form Albanach shown in parenthesis.
The vast majority of Anglicized Irish forms of "O" and "Mac" style surnames listed in Woulfe that date to temp. Elizabeth I - James I are listed as O [Root] and M'[Root].
It is likely that Woulfe (or one of his sources) has normalized at least some of these names to this format since other examples from the Patent Rolls of James I found in Ewen show the formats Mc[Root] and O'[Root].
Further, among the surnames listed by Woulfe are:
Anglicized Irish Surname Page Header MacAnthony 317 Mac Antoine MacGillafyndean 374 Mac Giolla F.earga (Mac Giolla Fhearga) MacMajoke 388 Mac Máig.eóc, Mac Máig.eóg (Mac Máigheóc, Mac Máigheóg) McCada 304 Mac Áda, Mac Ádaid. (Mac Áda, Mac Ádaidh) McGilliworyne 317 Mac Giolla Luait.rinn (Mac Giolla Luaithrinn) McGlyn 376 Mag F.loinn (Mag Fhloinn) Obuge 439 Ó Bogaig. (Ó Bogaigh) O'Derrie 498 Ó Doireid., Ó Doirid. (Ó Doireidh, Ó Doiridh) O'Diamain 496 Ó Diamáin O'Doveanna 514 Ó Duib.eam.na (Ó Duibheamhna) O'Glassnie 541 Ó Glaisne O'Largan 587 Ó Loirgneáin 
Given these examples, it is likely that at least some of the forms that Woulfe lists as M'[Root] appeared in the original text as Mac[Root] or Mc[Root]. Similarly, it's likely that at least some of the forms that Woulfe lists as O [Root] appeared in the original text as O[root] or O'[Root].
| O Lowrowe | 577 | Ó Lab.rad.a (Ó Labhradha) | 
| O Lawry | 577 | Ó Lab.rad.a (Ó Labhradha) | 
| O Laughane | 578 | Ó Lac.áin (Ó Lacháin) | 
| O Laghan | 578 | Ó Lac.áin (Ó Lacháin) | 
| O Laghlen | 578 | Ó Lac.lainn (Ó Lachlainn) | 
| O Laughlen | 578 | Ó Lac.lainn (Ó Lachlainn) | 
| O Laghna | 578 | Ó Lac.tna (Ó Lachtna) | 
| O Laghnane | 578 | Ó Lac.tnáin (Ó Lachtnáin) | 
| O Loghnane | 578 | Ó Lac.tnáin (Ó Lachtnáin) | 
| O Loughnane | 578 | Ó Lac.tnáin (Ó Lachtnáin) | 
| O Loughton | 578 | Ó Lac.tnáin (Ó Lachtnáin) | 
| O Laynan | 579 | Ó Laid.eanáin, Ó Laid.g.eanáin, Ó Laid.g.neáin (Ó Laidheanáin, Ó Laidhgheanáin, Ó Laidhghneáin) | 
| O Loynen | 579 | Ó Laid.eanáin, Ó Laid.g.eanáin, Ó Laid.g.neáin (Ó Laidheanáin, Ó Laidhgheanáin, Ó Laidhghneáin) | 
| O Leynen | 579 | Ó Laid.eanáin, Ó Laid.g.eanáin, Ó Laid.g.neáin (Ó Laidheanáin, Ó Laidhgheanáin, Ó Laidhghneáin) | 
| O Lynan | 579 | Ó Laid.eanáin, Ó Laid.g.eanáin, Ó Laid.g.neáin (Ó Laidheanáin, Ó Laidhgheanáin, Ó Laidhghneáin) | 
| O Leynam | 579 | Ó Laid.eanáin, Ó Laid.g.eanáin, Ó Laid.g.neáin (Ó Laidheanáin, Ó Laidhgheanáin, Ó Laidhghneáin) | 
| O Loyne | 579 | Ó Laigin | 
| O Layne | 579 | Ó Laigin | 
| O Leyne | 579 | Ó Laigin | 
| O Lyne | 579 | Ó Laigin | 
| O Lyen | 579 | Ó Laigin | 
| O Lane | 579 | Ó Laigin | 
| O Leane | 579 | Ó Laigin | 
| O Lien | 579 | Ó Laigin | 
| O Lyan | 579 | Ó Laigin | 
| O Leighnagh | 580 | Ó Laig.nig. (Ó Laighnigh) | 
| O Leiny | 580 | Ó Laig.nig. (Ó Laighnigh) | 
| O Lavine | 580 | Ó Láim.ín (Ó Láimhín) | 
| O Lavin | 580 | Ó Láim.ín (Ó Láimhín) | 
| O Laven | 580 | Ó Láim.ín (Ó Láimhín) | 
| O Laffertie | 580 | Ó Lait.b.eartaig. (Ó Laithbheartaigh) | 
| O Lagherite | 580 | Ó Lait.b.eartaig. (Ó Laithbheartaigh) | 
| O Laherty | 580 | Ó Lait.b.eartaig. (Ó Laithbheartaigh) | 
| O Lahissa | 580 | Ó L.ait.easa, Ó Lait.g.easa (Ó Lhaitheasa, Ó Laithgheasa) | 
| O Lassy | 580 | Ó L.ait.easa, Ó Lait.g.easa (Ó Lhaitheasa, Ó Laithgheasa) | 
| O Lassie | 580 | Ó L.ait.easa, Ó Lait.g.easa (Ó Lhaitheasa, Ó Laithgheasa) | 
| O Lasy | 580 | Ó L.ait.easa, Ó Lait.g.easa (Ó Lhaitheasa, Ó Laithgheasa) | 
| O Lacy | 580 | Ó L.ait.easa, Ó Lait.g.easa (Ó Lhaitheasa, Ó Laithgheasa) | 
| O Lahiff | 581 | Ó Lait.im. (Ó Laithimh) | 
| O Laffie | 581 | Ó Lait.im. (Ó Laithimh) | 
| O Lahy | 581 | Ó Lait.im. (Ó Laithimh) | 
| O Lawan | 581 | Ó Lait.im.ín (Ó Laithimhín) | 
| O Leaghy | 581 | Ó Laoc.d.a (Ó Laochdha) | 
| O Leahy | 581 | Ó Laoc.d.a (Ó Laochdha) | 
| O Lioge | 581 | Ó Laog.óg. (Ó Laoghógh) | 
| O Loye | 582 | Ó Laoid.ig. (Ó Laoidhigh) | 
| O Lye | 582 | Ó Laoid.ig. (Ó Laoidhigh) | 
| O Leye | 582 | Ó Laoid.ig. (Ó Laoidhigh) | 
| O Lie | 582 | Ó Laoid.ig. (Ó Laoidhigh) | 
| O Leagail | 582 | Ó Laoig.ill (Ó Laoighill) | 
| O Lemagh | 582 | Ó Laomd.a (Ó Laomdha) | 
| O Leamy | 582 | Ó Laomd.a (Ó Laomdha) | 
| O Lapane | 582 | Ó Lapáin | 
| O Lappan | 582 | Ó Lapáin | 
| O Lahy | 582 | Ó Lat.aig. (Ó Lathaigh) | 
| O Lenaghan | 582 | Ó Léanac.áin (Ó Léanacháin) | 
| O Leneghan | 582 | Ó Léanac.áin (Ó Léanacháin) | 
| O Lennane | 582 | Ó Leannáin | 
| O Lennan | 582 | Ó Leannáin | 
| O Larryse | 583 | Ó Learg.usa (Ó Learghusa) | 
| O Lahan | 583 | Ó Leat.áin (Ó Leatháin) | 
| O Laane | 583 | Ó Leat.áin (Ó Leatháin) | 
| O Lalour | 583 | Ó Leat.lob.air (Ó Leathlobhair) | 
| O Lawlor | 583 | Ó Leat.lob.air (Ó Leathlobhair) | 
| O Lemagh | 584 | Ó Léime | 
| O Leamy | 584 | Ó Léime | 
| O Lagane | 584 | Ó Leogáin | 
| O Lagan | 584 | Ó Leogáin | 
| O Logan | 584 | Ó Leogáin | 
| O Lyhane | 584 | Ó Liat.áin (Ó Liatháin) | 
| O Leaghan | 584 | Ó Liat.áin (Ó Liatháin) | 
| O Lyddie | 584 | Ó Lidead.a (Ó Lideadha) | 
| O Lyddy | 584 | Ó Lidead.a (Ó Lideadha) | 
| O Leddy | 584 | Ó Lidead.a (Ó Lideadha) | 
| O Lyndane | 585 | Ó Liondáin | 
| O Lishane | 585 | Ó Liseáin | 
| O Lyshane | 585 | Ó Liseáin | 
| O Loghane | 585 | Ó Lóc.áin (Ó Lócháin) | 
| O Loughane | 585 | Ó Lóc.áin (Ó Lócháin) | 
| O Loughlane | 585 | Ó Loc.láin (Ó Lochláin) | 
| O Loghlan | 585 | Ó Loc.lainn (Ó Lochlainn) | 
| O Laghlan | 585 | Ó Loc.lainn (Ó Lochlainn) | 
| O Logan | 585 | Ó Lógáin | 
| O Ludan | 585 | Ó Lodáin, Ó Loideáin | 
| O Lydan | 585 | Ó Lodáin, Ó Loideáin | 
| O Leadon | 585 | Ó Lodáin, Ó Loideáin | 
| O Loddie | 586 | Ó Loidid. (Ó Loididh) | 
| O Lynseghane | 586 | Ó Loingseac.áin (Ó Loingseacháin) | 
| O Lynchy | 586 | Ó Loingsig. (Ó Loingsigh) | 
| O Lynche | 586 | Ó Loingsig. (Ó Loingsigh) | 
| O Lensie | 586 | Ó Loingsig. (Ó Loingsigh) | 
| O Linne | 587 | Ó Loinn | 
| O Linge | 587 | Ó Loinn | 
| O Lynt | 587 | Ó Loinn | 
| O'Largan | 587 | Ó Loirgneáin | 
| O Laslie | 587 | Ó Loiste | 
| O Loman | 587 | Ó Lomáin | 
| O Lymon | 587 | Ó Lomáin | 
| O Lomasny | 588 | Ó Lomasna | 
| O Lonagan | 588 | Ó Lonagáin | 
| O Lonegan | 588 | Ó Lonagáin | 
| O Lanegane | 588 | Ó Lonagáin | 
| O Lannegan | 588 | Ó Lonagáin | 
| O Lonane | 588 | Ó Lonáin | 
| O Lonan | 588 | Ó Lonáin | 
| O Lonnan | 588 | Ó Lonáin | 
| O Lannan | 588 | Ó Lonáin | 
| O Lennane | 588 | Ó Lonáin | 
| O Longy | 588 | Ó Longaig. (Ó Longaigh) | 
| O Longe | 588 | Ó Longaig. (Ó Longaigh) | 
| O Longane | 589 | Ó Longáin | 
| O Langane | 589 | Ó Longáin | 
| O Longan | 589 | Ó Longáin | 
| O Langan | 589 | Ó Longáin | 
| O Lonergane | 589 | Ó Longargáin, Ó Lonnargáin, Ó Lonnragáin | 
| O Lonregan | 589 | Ó Longargáin, Ó Lonnargáin, Ó Lonnragáin | 
| O Londregan | 589 | Ó Longargáin, Ó Lonnargáin, Ó Lonnragáin | 
| O Lorrigane | 589 | Ó Longargáin, Ó Lonnargáin, Ó Lonnragáin | 
| O Lurkaine | 589 | Ó Lorcáin | 
| O Lorkan | 589 | Ó Lorcáin | 
| O Lordane | 590 | Ó Lórdáin | 
| O Logher | 590 | Ó Luac.air, Ó Luac.ra (Ó Luachair, Ó Luachra) | 
| O Lucry | 590 | Ó Luac.air, Ó Luac.ra (Ó Luachair, Ó Luachra) | 
| O Loaine | 590 | Ó Luain | 
| O Loane | 590 | Ó Luain | 
| O Lowny | 590 | Ó Luanaig. (Ó Luanaigh) | 
| O Loonane | 591 | Ó Luanáin | 
| O Lonan | 591 | Ó Luanáin | 
| O Lwosie | 591 | Ó Luasaig. (Ó Luasaigh) | 
| O Luby | 591 | Ó Lúbaig. (Ó Lúbaigh) | 
| O Looby | 591 | Ó Lúbaig. (Ó Lúbaigh) | 
| O Lucherin | 591 | Ó Luc.aireáin, Ó Luc.ráin (Ó Luchaireáin, Ó Luchráin) | 
| O Loghrane | 591 | Ó Luc.aireáin, Ó Luc.ráin (Ó Luchaireáin, Ó Luchráin) | 
| O Lymbricke | 591 | Ó Luimbric | 
| O Lenagan | 591 | Ó Luineagáin | 
| O Lunyghan | 591 | Ó Luingeac.áin (Ó Luingeacháin) | 
| O Lungane | 591 | Ó Luingeáin | 
| O Liengan | 591 | Ó Luingeáin | 
| O Lonney | 591 | Ó Luinig. (Ó Luinigh) | 
| O Loney | 591 | Ó Luinig. (Ó Luinigh) | 
| O Loony | 591 | Ó Luinig. (Ó Luinigh) | 
| O Luinyn | 592 | Ó Luinín | 
| O Lonine | 592 | Ó Luinín | 
| O Lonin | 592 | Ó Luinín | 
| O Mackane | 592 | Ó Macáin | 
| O Maghane | 592 | Ó Mac.áin (Ó Macháin) | 
| O Mauchan | 592 | Ó Mac.áin (Ó Macháin) | 
| O Mahan | 592 | Ó Mac.áin (Ó Macháin) | 
| O Mackessy | 592 | Ó Macasa | 
| O Makie | 592 | Ó Macd.a (Ó Macdha) | 
| O Macky | 592 | Ó Macd.a (Ó Macdha) | 
| O Macketyre | 592 | Ó Mactíre | 
| O Madagane | 593 | Ó Madagáin | 
| O Madigane | 593 | Ó Madagáin | 
| O Maddy | 593 | Ó Madaid. (Ó Madaidh) | 
| O Maddine | 593 | Ó Madaid.ín (Ó Madaidhín) | 
| O Madden | 593 | Ó Madaid.ín (Ó Madaidhín) | 
| O Maddane | 593 | Ó Madáin | 
| O Madden | 593 | Ó Madáin | 
| O Mackine | 594 | Ó Maicín | 
| O Mailie | 594 | Ó Máille | 
| O Mallie | 594 | Ó Máille | 
| O Mally | 594 | Ó Máille | 
| O Maely | 594 | Ó Máille | 
| O Manihin | 594 | Ó Mainc.ín (Ó Mainchín) | 
| O Many | 595 | Ó Mainnín | 
| O Mannine | 595 | Ó Mainnín | 
| O Mannin | 595 | Ó Mainnín | 
| O Manynge | 595 | Ó Mainnín | 
| O Martin | 595 | Ó Máirtín | 
| O Marten | 595 | Ó Máirtín | 
| O Managhane | 595 | Ó Manac.áin, Ó Manc.áin (Ó Manacháin, Ó Mancháin) | 
| O Manahan | 595 | Ó Manac.áin, Ó Manc.áin (Ó Manacháin, Ó Mancháin) | 
| O Monaghan | 595 | Ó Manac.áin, Ó Manc.áin (Ó Manacháin, Ó Mancháin) | 
| O Monegher | 596 | Ó Manac.air (Ó Manachair) | 
| O Monegan | 596 | Ó Managáin | 
| O Manynane | 596 | Ó Manannáin | 
| O Mananan | 596 | Ó Manannáin | 
| O Mannerane | 596 | Ó Manaráin | 
| O Manchan | 596 | Ó Manc.áin (Ó Mancháin) | 
| O Monghan | 596 | Ó Manc.áin (Ó Mancháin) | 
| O Mantane | 596 | Ó Manntáin | 
| O Mentane | 596 | Ó Manntáin | 
| O Monoge | 596 | Ó Manóg | 
| O Mylee | 596 | Ó Maoilaod.a, Ó Maoilaoid. (Ó Maoilaodha, Ó Maoilaoidh) | 
| O Miley | 596 | Ó Maoilaod.a, Ó Maoilaoid. (Ó Maoilaodha, Ó Maoilaoidh) | 
| O Mulvanone | 596 | Ó Maoilb.eanóin (Ó Maoilbheanóin) | 
| O Mulvanon | 596 | Ó Maoilb.eanóin (Ó Maoilbheanóin) | 
| O Mulverie | 596 | Ó Maoilb.earaig. (Ó Maoilbhearaigh) | 
| O Mulrenan | 597 | Ó Maoilb.reanainn, Ó Maoilb.réanainn (Ó Maoilbhreanainn, Ó Maoilbhréanainn) | 
| O Mulreanan | 597 | Ó Maoilb.reanainn, Ó Maoilb.réanainn (Ó Maoilbhreanainn, Ó Maoilbhréanainn) | 
| O Mulbridy | 597 | Ó Maoilb.ríg.de (Ó Maoilbhríghde) | 
| O Mulridy | 597 | Ó Maoilb.ríg.de (Ó Maoilbhríghde) | 
| O Mulchery | 597 | Ó Maoilc.éire (Ó Maoilchéire) | 
| O Mulkery | 597 | Ó Maoilc.éire (Ó Maoilchéire) | 
| O Mulcheir | 597 | Ó Maoilc.éire (Ó Maoilchéire) | 
| O Mulkere | 597 | Ó Maoilc.éire (Ó Maoilchéire) | 
| O Mulchieraine | 597 | Ó Maoilc.iaráin (Ó Maoilchiaráin) | 
| O Mulkerane | 597 | Ó Maoilc.iaráin (Ó Maoilchiaráin) | 
| O Molderge | 598 | Ó Maoildeirg | 
| O Mulleghan | 598 | Ó Maoileac.áin (Ó Maoileacháin) | 
| O Melaghlin | 598 | Ó Maoileac.lainn (Ó Maoileachlainn) | 
| O Moylegane | 598 | Ó Maoileagáin | 
| O Milligane | 598 | Ó Maoileagáin | 
| O Mellegan | 598 | Ó Maoileagáin | 
| O Moylane | 598 | Ó Maoileáin | 
| O Melane | 598 | Ó Maoileáin | 
| O Mullany | 598 | Ó Maoileanaig. (Ó Maoileanaigh) | 
| O Moylearky | 598 | Ó Maoilearca | 
| O Mullarkie | 598 | Ó Maoilearca | 
| O Mulledy | 599 | Ó Maoiléidig. (Ó Maoiléidigh) | 
| O Mulleadie | 599 | Ó Maoiléidig. (Ó Maoiléidigh) | 
| O Maledy | 599 | Ó Maoiléidig. (Ó Maoiléidigh) | 
| O Meledy | 599 | Ó Maoiléidig. (Ó Maoiléidigh) | 
| O Mulleven | 599 | Ó Maoiléim.ín (Ó Maoiléimhín) | 
| O Mullivine | 599 | Ó Maoiléim.ín (Ó Maoiléimhín) | 
| O Mullone | 599 | Ó Maoileóin | 
| O Melone | 599 | Ó Maoileóin | 
| O Malone | 599 | Ó Maoileóin | 
| O Molling | 599 | Ó Maoilf.inn (Ó Maoilfhinn) | 
| O Mullinn | 599 | Ó Maoilf.inn (Ó Maoilfhinn) | 
| O Mulgherick | 599 | Ó Maoilg.eiric, Ó Maoilg.iric (Ó Maoilgheiric, Ó Maoilghiric) | 
| O Mulhericke | 599 | Ó Maoilg.eiric, Ó Maoilg.iric (Ó Maoilgheiric, Ó Maoilghiric) | 
| O Mullerick | 599 | Ó Maoilg.eiric, Ó Maoilg.iric (Ó Maoilgheiric, Ó Maoilghiric) | 
| O Moyline | 599 | Ó Maoilín | 
| O Mulline | 599 | Ó Maoilín | 
| O Myline | 599 | Ó Maoilín | 
| O Moylevagh | 600 | Ó Maoilm.ead.a (Ó Maoilmheadha) | 
| O Molvay | 600 | Ó Maoilm.ead.a (Ó Maoilmheadha) | 
| O Mowlvenna | 600 | Ó Maoilm.eana (Ó Maoilmheana) | 
| O Mulvany | 600 | Ó Maoilm.eana (Ó Maoilmheana) | 
| O Mulmee | 600 | Ó Maoilm.iad.aig. (Ó Maoilmhiadhaigh) | 
| O Mulmichell | 600 | Ó Maoilm.ic.il, Ó Maoilm.ic.íl (Ó Maoilmhichil, Ó Maoilmhichíl) | 
| O Mulvihill | 600 | Ó Maoilm.ic.il, Ó Maoilm.ic.íl (Ó Maoilmhichil, Ó Maoilmhichíl) | 
| O Mulveill | 600 | Ó Maoilm.ic.il, Ó Maoilm.ic.íl (Ó Maoilmhichil, Ó Maoilmhichíl) | 
| O Mullivane | 600 | Ó Maoilm.ín (Ó Maoilmhín) | 
| O Mulfadder | 601 | Ó Maoilp.eadair (Ó Maoilpheadair) | 
| O Mulriany | 601 | Ó Maoilréana | 
| O Mulreany | 601 | Ó Maoilréana | 
| O Mulreigh | 601 | Ó Maoilriab.aig. (Ó Maoilriabhaigh) | 
| O Mulrigan | 601 | Ó Maoilriag.ain (Ó Maoilriaghain) | 
| O Mulryan | 601 | Ó Maoilriag.ain (Ó Maoilriaghain) | 
| O Mulrean | 601 | Ó Maoilriag.ain (Ó Maoilriaghain) | 
| O Mulshaghlen | 601 | Ó Maoils.eac.lainn (Ó Maoilsheachlainn) | 
| O Melaghlin | 601 | Ó Maoils.eac.lainn (Ó Maoilsheachlainn) | 
| O Mulstegia | 602 | Ó Maoilstéig.e (Ó Maoilstéighe) | 
| O Molstaygh | 602 | Ó Maoilstéig.e (Ó Maoilstéighe) | 
| O Mulstey | 602 | Ó Maoilstéig.e (Ó Maoilstéighe) | 
| O Mustey | 602 | Ó Maoilstéig.e (Ó Maoilstéighe) | 
| O Molaghan | 602 | Ó Maoilsionóg | 
| O Molleghan | 602 | Ó Maoilsionóg | 
| O Mollegane | 602 | Ó Maolagáin | 
| O Mullegan | 602 | Ó Maolagáin | 
| O Mulghan | 602 | Ó Maolagáin | 
| O Mollane | 603 | Ó Maoláin | 
| O Melane | 603 | Ó Maoláin | 
| O Moylane | 603 | Ó Maoláin | 
| O Mullaly | 603 | Ó Maolalaid. (Ó Maolalaidh) | 
| O Mullally | 603 | Ó Maolalaid. (Ó Maolalaidh) | 
| O Mollaye | 604 | Ó Maolaod.a (Ó Maolaodha) | 
| O Mullae | 604 | Ó Maolaod.a (Ó Maolaodha) | 
| O Mulley | 604 | Ó Maolaod.a (Ó Maolaodha) | 
| O Mullye | 604 | Ó Maolaod.a (Ó Maolaodha) | 
| O Mellawa | 604 | Ó Maolaod.a (Ó Maolaodha) | 
| O Miley | 604 | Ó Maolaod.a (Ó Maolaodha) | 
| O Moloy | 604 | Ó Maolaod.a (Ó Maolaodha) | 
| O Mologe | 604 | Ó Maolaod.óg (Ó Maolaodhóg) | 
| O Molouge | 604 | Ó Maolaod.óg (Ó Maolaodhóg) | 
| O Mullowane | 604 | Ó Maolb.áin (Ó Maolbháin) | 
| O Mollowne | 605 | Ó Maolb.log.ain (Ó Maolbhloghain) | 
| O Mulcashell | 605 | Ó Maolc.aisil (Ó Maolchaisil) | 
| O Mulchallan | 605 | Ó Maolc.allann (Ó Maolchallann) | 
| O Maghallon | 605 | Ó Maolc.allann (Ó Maolchallann) | 
| O Mohallan | 605 | Ó Maolc.allann (Ó Maolchallann) | 
| O Mulchine | 605 | Ó Maolc.aoin (Ó Maolchaoin) | 
| O Mulkyne | 605 | Ó Maolc.aoin (Ó Maolchaoin) | 
| O Mulqueen | 605 | Ó Maolc.aoin (Ó Maolchaoin) | 
| O Mulquin | 605 | Ó Maolc.aoin (Ó Maolchaoin) | 
| O Mulqueeny | 606 | Ó Maolc.aoine (Ó Maolchaoine) | 
| O Mulkeiny | 606 | Ó Maolc.aoine (Ó Maolchaoine) | 
| O Mulcaha | 606 | Ó Maolc.at.a, Ó Maolc.at.aig. (Ó Maolchatha, Ó Maolchathaigh) | 
| O Mulcahy | 606 | Ó Maolc.at.a, Ó Maolc.at.aig. (Ó Maolchatha, Ó Maolchathaigh) | 
| O Mulcahill | 606 | Ó Maolc.at.ail (Ó Maolchathail) | 
| O Molchaill | 606 | Ó Maolc.at.ail (Ó Maolchathail) | 
| O Mulchathayn | 606 | Ó Maolc.atáin (Ó Maolchatáin) | 
| O Mulcayhan | 606 | Ó Maolc.atáin (Ó Maolchatáin) | 
| O Molklyhy | 606 | Ó Maolc.luic.e (Ó Maolchluiche) | 
| O Mulclohy | 606 | Ó Maolc.luic.e (Ó Maolchluiche) | 
| O Mulclahy | 606 | Ó Maolc.luic.e (Ó Maolchluiche) | 
| O Mulcloy | 606 | Ó Maolc.luic.e (Ó Maolchluiche) | 
| O Mucklie | 606 | Ó Maolc.luic.e (Ó Maolchluiche) | 
| Mulclahy | 606 | Ó Maolc.luic.e (Ó Maolchluiche) | 
| O Molcalm | 607 | Ó Maolc.olm, Ó Maolc.oluim (Ó Maolcholm, Ó Maolcholuim) | 
| O Molchalum | 607 | Ó Maolc.olm, Ó Maolc.oluim (Ó Maolcholm, Ó Maolcholuim) | 
| O Mollchomy | 607 | Ó Maolc.omad. (Ó Maolchomadh) | 
| O Mulchonery | 607 | Ó Maolc.onaire (Ó Maolchonaire) | 
| O Mulconry | 607 | Ó Maolc.onaire (Ó Maolchonaire) | 
| O Mulcrieve | 608 | Ó Maolc.raoib.e (Ó Maolchraoibhe) | 
| O Mulchrewe | 608 | Ó Maolc.raoib.e (Ó Maolchraoibhe) | 
| O Mulcrey | 608 | Ó Maolc.raoib.e (Ó Maolchraoibhe) | 
| O Muldowny | 608 | Ó Maoldom.naig. (Ó Maoldomhnaigh) | 
| O Malowny | 608 | Ó Maold.om.naig. (Ó Maoldhomhnaigh) | 
| O Mollowny | 608 | Ó Maold.om.naig. (Ó Maoldhomhnaigh) | 
| O Mullowny | 608 | Ó Maold.om.naig. (Ó Maoldhomhnaigh) | 
| O Muldoon | 609 | Ó Maoldúin | 
| O Mowlfoull | 609 | Ó Maolfáb.ail, Ó Maolf.áb.ail (Ó Maolfábhail, Ó Maolfhábhail) | 
| O Mulfall | 609 | Ó Maolfáb.ail, Ó Maolf.áb.ail (Ó Maolfábhail, Ó Maolfhábhail) | 
| O Maylawell | 609 | Ó Maolfáb.ail, Ó Maolf.áb.ail (Ó Maolfábhail, Ó Maolfhábhail) | 
| Mullaghny | 609 | Ó Maolf.ac.tna (Ó Maolfhachtna) | 
| Meloughna | 609 | Ó Maolf.ac.tna (Ó Maolfhachtna) | 
| O Mulfover | 609 | Ó Maolfog.m.air, Ó Maolf.og.m.air (Ó Maolfoghmhair, Ó Maolfhoghmhair) | 
| O Mullover | 609 | Ó Maolfog.m.air, Ó Maolf.og.m.air (Ó Maolfoghmhair, Ó Maolfhoghmhair) | 
| O Mulghey | 609 | Ó Maolg.aoit.e (Ó Maolghaoithe) | 
| O Mulgey | 609 | Ó Maolg.aoit.e (Ó Maolghaoithe) | 
| O Mulloly | 610 | Ó Maolg.uala (Ó Maolghuala) | 
| O Mulvanny | 610 | Ó Maolm.ag.na (Ó Maolmhaghna) | 
| O Mulmoge | 610 | Ó Maolm.aod.óg (Ó Maolmhaodhóg) | 
| O Mulvoge | 610 | Ó Maolm.aod.óg (Ó Maolmhaodhóg) | 
| O Molmartine | 610 | Ó Maolm.ártain (Ó Maolmhártain) | 
| O Mulmochore | 610 | Ó Maolm.oc.óir (Ó Maolmhochóir) | 
| O Mullmochory | 610 | Ó Maolm.oc.óir (Ó Maolmhochóir) | 
| O Molvochory | 610 | Ó Maolm.oc.óir (Ó Maolmhochóir) | 
| O Mullucherie | 610 | Ó Maolm.oc.óir (Ó Maolmhochóir) | 
| O Molmoy | 610 | Ó Maolmuaid. (Ó Maolmuaidh) | 
| O Mulmoy | 610 | Ó Maolmuaid. (Ó Maolmuaidh) | 
| O Molwye | 611 | Ó Maolm.uaid. (Ó Maolmhuaidh) | 
| O Meloy | 611 | Ó Maolm.uaid. (Ó Maolmhuaidh) | 
| O Molloye | 611 | Ó Maolm.uaid. (Ó Maolmhuaidh) | 
| O Mulloye | 611 | Ó Maolm.uaid. (Ó Maolmhuaidh) | 
| O Moylery | 611 | Ó Maolm.uire (Ó Maolmhuire) | 
| O Mulfadricke | 611 | Ó Maolp.ádraig (Ó Maolphádraig) | 
| O Mulpatrick | 611 | Ó Maolp.ádraig (Ó Maolphádraig) | 
| O Melrewe | 612 | Ó Maolruaid. (Ó Maolruaidh) | 
| O Molrone | 612 | Ó Maolruain | 
| O Mulrowne | 612 | Ó Maolruain | 
| O Mulruony | 612 | Ó Maolruanaid. (Ó Maolruanaidh) | 
| O Mulrony | 612 | Ó Maolruanaid. (Ó Maolruanaidh) | 
| O Moronie | 612 | Ó Maolruanaid. (Ó Maolruanaidh) | 
| O Multilly | 612 | Ó Maoltuile | 
| O Multully | 612 | Ó Maoltuile | 
| O Moeny | 612 | Ó Maonaig. (Ó Maonaigh) | 
| O Mooney | 612 | Ó Maonaig. (Ó Maonaigh) | 
| (?) O Moyney | 612 | Ó Maonaig. (Ó Maonaigh) | 
| O Money | 612 | Ó Maonaig. (Ó Maonaigh) | 
| O Monane | 613 | Ó Maonáin | 
| O Monhily | 613 | Ó Maong.aile (Ó Maonghaile) | 
| O Monnilly | 613 | Ó Maong.aile (Ó Maonghaile) | 
| O Mehegane | 613 | Ó Maot.agáin (Ó Maothagáin) | 
| O Meawhan | 613 | Ó Maot.áin (Ó Maotháin) | 
| O Markaghaine | 613 | Ó Marca.áin (Ó Marcaháin) | 
| O Marchahan | 613 | Ó Marca.áin (Ó Marcaháin) | 
| O Marynayne | 613 | Ó Marannáin, Ó Marnáin | 
| O Marrinan | 613 | Ó Marannáin, Ó Marnáin | 
| O Marnane | 613 | Ó Marannáin, Ó Marnáin | 
| O Marten | 613 | Ó Mártain | 
| O Martin | 613 | Ó Mártain | 
| O Mahowny | 613 | Ó Mat.g.am.na (Ó Mathghamhna) | 
| O Mahown | 613 | Ó Mat.g.am.na (Ó Mathghamhna) | 
Medieval Scotland | Medieval Names Archive | 16th & 17th Century Anglicized Irish Surnames from Woulfe
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	http://MedievalScotland.org/kmo/Woulfe/SortedByGaelicSpelling_O5.shtml
    
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