| Families |
Ethnic Group |
Branch of |
| MacDonagh, MacDonough |
|
MacDermot |
| MacDonagh, MacDonough |
Gaels |
O'Flaherty |
| MacDonagh, MacDonough |
Gaels |
MacCarthy |
| MacDougal |
Laigin |
|
| MacDowel |
|
MacDougal |
| MacDowell |
IVL - South Scotland |
|
| MacDuff |
Gaels |
|
| MacDuffie |
|
MacFie |
| MacEachan |
|
MacDonald (Clan Donald) |
| MacEachern |
|
MacDonald (Clan Donald) |
| MacEarachar |
|
Farquharson |
| MacEchern |
IVL - Cavan |
|
| MacEnery |
Erainn |
|
| MacEvoy |
IVL - Ireland |
|
| MacEvoy |
Laigin |
|
| MacEwen |
|
MacLachlan |
| MacEwen |
IVL - South Scotland |
|
| MacFarlane |
Gaels |
|
| MacFarlane |
IVL - Ireland |
|
| MacFarquhar |
|
Farquharson |
| MacFergus |
|
Fergusson |
| MacFie |
Erainn |
|
| MacGarry, Garrihy |
|
O'Flaherty |
| MacGeachie |
|
MacDonald (Clan Ranald) |
| MacGeever (Donegal) |
|
MacIvor |
| MacGenis, MacGuines |
Cruithne |
|
| MacGeoghegan |
Gaels |
|
| MacGeraghty, Gerty |
Gaels |
|
| MacGhie, MacGhee |
|
MacKay |
| MacGibbon |
Normans |
Burke |
| MacGibbon |
Normans |
FitzGibbon |
| MacGilchrist |
|
MacLachlan |
| MacGilchrist |
|
Ogilvy |
| MacGilfoyle |
Erainn |
|
| MacGilligowie |
|
Lamont |
| MacGillivour |
|
MacGillivray |
| MacGillivray |
Erainn |
|
| MacGillonie |
Erainn |
Cameron |
| MacGillycuddy |
|
O'Sullivan Mor |
| MacGilpatrick |
|
Fitzpatrick |
| MacGilvernock |
|
Graham |
| MacGiver |
|
Maguire |
| MacGivern |
|
O'Neill (Ulster) |
| MacGlashan |
|
Stewart |
| MacGlashan |
IVL - West Ulster |
|
|
