McMahon Pedigree Sources
The following represents all the versions of the McMahon pedigrees from the various sources: errors, manipulations and all.....
Laud 610 (ca. 1020 A.D.)
Do genelach Fernmaigi.
Rawlinson B.502 (ca. 1120 A.D.)
GENELACH FERNMAIGI.
ITEM GENELACH FERNMAIGI.
¶1042] Donnocán m. Máel Maire m. Flannacáin m. Ruadrach m. Mathgamna m. Laidgneáin m. Fogartaich.
Book of Leinster (ca. 1170 A.D.)
(Pedigree of O Cearbhaill)
National Library G2 (14th century)
p. 25 recto
Book of Ballymote (ca. 1400 A.D.)
Genelach Fernmuigi
Pilip m. Briain m. Aeda m. Roailbh m. Eachada m. Mathgamna m. Neill m. Donnchada m. Concaisil m. Domnaill m. Mathgamna onabar Meg Mathgamna m. Fogartaich m. Ruadrach m. Mailifothardaig m. Artraid m. Echach m. fMaelduibh m. Mailfogartaich m. Ronan m. Fergusa m. Nadsluaigh.
Magnas m. Eachadha m. Aedha m. Roailb m. Eachada m. Mathgamna. Niall {114a} m. Murchada m. Briain m. Echach m. Mathgamna.
Cu Connacht m. Pilip m. Roailb m. Eachach m. Mathgamna.
Flandgus m. Aeda buidh m. Aithechda m. Mailfothartaig m. Maelduin m. Cronan m. Fergusa.
Mac Leiginn m. Cairill m. Crichain m. Lorcain m. Donnagain m. Fogartaich m. Ruaidrach.
Dondacan m. Mailmuire m. Flandacain m. Focartaich m. Ruadrach.
Mathgamain m. Cerbaill m. Mailpoil m. Focartaich m. Ruadrach.
Madagan m. Ruaidri m. Cerbaill m. Mailpoil m. Focartaich m. Ruadhrach.
Eochaidh m. mc. Mailfindain m. Fachtnai m. Cethinain m. Cerbaill.
Book of Lecan (ca. 1400 A.D.) folio 79 recto
| Col 1 | Col 2 | Col 3 |
|---|---|---|
| m Donagan | Magnus | Mail Poil |
| m. Fogartaigh | m. Eachada | m. Fogartaigh |
| m. Maelruaidh | m. Aeda | m Ruadrach |
| m. Mail Fogartaigh | m. Roailbh | |
| etc. | m. Eochaidh | Eochaigh |
| m. Matgamhna | m. Fachtna | |
| Gt. Meg Matghmna | m. Fidachta | |
| Niall fiancaid? | m. Ceataman | |
| 95. Pilib | m. Brian | m. Cearbaill |
| m. Brian | m. Echada | m. Ruadrach |
| m. Aedh | m. Matgamhna | m. Mail Fogartaigh |
| m. Roailbh | ||
| m. Eochaidh | Cu connacht | Do Gt. Nad Sluaig |
| i.e., [the] Mathgamna | m. Pilip | |
| m. Neill | m. Roailbh | Flandgus |
| m. Magnusa | m. Eochaidh | m. Aedha buidhe |
| m. Mathgamhna | m. Matgamhna | m. Aitheachda |
| m. Neill | m. Mail focrith | |
| m. Donchad | Donchadh | m. mael duibh |
| m. Con caisil | m. Con caisil m. Donail | m. Ronain |
| m. Donaill | m. Matgamhna | m. Fergusa |
| m. Matgamhna aqMeg Mathgamhna | m. Laidgnen | m. Nad Sluaig |
| m. Fogartach | m. Cearbhaill | |
| m. Ruadrach | m. Mail Poil | Donacan |
| m. Mailfogartaigh | m. Fogartaigh | m. Mael ? |
| etc. | m. Ruadraich | m. Flandagan |
| m. Fogartaigh | ||
| [several untranslated lines] | m. Ruadrach | |
| Mael leginn | Matgamhna | |
| m. Cairil | m. Laignen | |
| etc. | m. Cearbaill | |
| Madagan | m. Mail Poil | |
| m. Ruaidri | m. Fogartaigh | |
| m. Cearbaill | m. Ruadrach | |
| Matgamhna | ||
| m. Laignen | ||
| m. Cearbaill | ||
| m. Mail Poil | ||
| m. Fogartaigh | ||
| m. Ruadrach | ||
| [cont. top col. 3) | [here follows the another son of Aedh m. Faelan tract] |
Leabhar Donn (ca. 1500 A.D.)
Genelach Meg Mathgamna
Remand m. Rugraidhe m. Ardgail m. Briain m. Aeda m. Rouilb
m. Echadha m. Mathgamna {26Rb} m. Neill m. Magnusa m. Matgamna
m. Neill m. Dondchada m. Concaisil m. Domnaill m. Mathgamna
m. Laidgnen m. Cerbaill m. Mailpoil m. Fogartaig m. Ruarach
m. Mailfogartaigh m. Mailduin m. Mailfogartaig m. Ronain
m. Fergusa m. Natsluaig m. Cairbri doim argit m. Echach
m. Crimthaind m. Feig m. Degad druin m. Rochada m. Colla Fo Crich
m. Echach Doimlein m. Cairbri Lifechair m. Cormaic m. Airt
mc. Cuinn cetcathaig m. Feidlimid rechtada. {26Rc}
Brian & Rudraide Magnas & Dondchad Niall & Mathgamain Aed &
Cormac Echaid & Emann & Roolb clann ardgail m. Briain m. Aeda
m. Rouilb.
Cuconnacht ruad & Echaid clann Pilip ruaid m. Briain mc. Aeda m. Rouilb.
Aed ruad & Remand Eogan & Brian Rugraidhi oc & Ruaidri Art & Colla
clann Rugraide m. Ardgail m. Briain mc. Aeda m. Rouilb.
Magnus & Aed oc (& Cu Ulaid) tria [altered from “da”] mc. Aeda ruaid
mc. Rugraide m. Ardgail. {26Rd}
Eachaid & Mailechlainn Rosa Roolb Conn & Magnus oc clann Magnusa
m. Aeda ruaid m. Rugraidhe m. Ardgail.
Gillapatraic Rugraide clann Aeda oc m. Aeda ruaid m. Rugraide
m. Ardgail.
Glaisne & Brian & Feidlimid & Seaan clann Remaind m. Rugraidi
m. Ardgail.
Seaan buide & Echaid caech Semus & Gillapatraic clann Eogain
m. Rugraide m. Ardgail.
Gillapatraic & Mailechlainn clann Briain m. Rugraide
m. Ardgail. {26Re}
Mailechlainn & Cathail da mc. Ruaidri m. Rugraide m. Ardgail.
Aen m. la Rugraidi oc m. Rugraide m. Ardgail .i. Aed.
Mc. aile la hArt m. Rugraide m. Ardgail .i. Semass.
Feidlimidh & Pilip Ereamon & Aed Breifne Cu Ulaid Dub & Tomas
clann Briain mc. Ardgail.
Gillapatraicc & Aed buide Glaisne & Echaid Magnus & Calbach &
Rugraide & Feidlimid oc clann Feidlimid m. Briain m. Ardgail.
Uilliam & Mailechlainn Eogan Roolb Failgi & Emann clann Pilip
m. Briain mc. Ardgail. {26Rf}
Roolb & in Gilla dub & Raibilin acus Emand occ clann Emaind
m. Ardgail m. Briain m. Aeda m. Rouilb.
Cairbri & Cucondacht da mc. Dondchada m. Ardgaill.
Maine & Feidhlimid & Cormac & Mailechlainn clann Neill mc. Ardgail.
Eogan & Magnus da m. Aeda m. Ardgail.
Toirrdelbach & Seaan Cu Ulaid & Ruadri Gofraid & Dondchad clann
Mailechlainn m. Echach m. Mathgamna mc. Neill.
Echaid & Dondchad & Magnus clann Toirrdelbaig m. Mailechlainn.
Cu Ulaid mc. Con Ulaid m. Mailechlainn m. Echach m. Mathgamna
mc. Neill m. Magnusa m. Mathgamna m. Neill mc. Dondchada
m. Concaisil. {26Va}
O Clery (ca. 1630)
(Page 159). GENELACH MHEG MHATHGHAMHNA
1617. (col. a). Brian, Rudraighi, Maghnus; Donnchadh, Niall,
Mathgamain, Aedh, Ardgal, Corbmac, Eochaidh, Cu uladh, Emand,
Roolbh : clann Ardghail m Briain m Aedha m Rooilbh m Echada
m Mathgahmhna m Nell m Maghnusa m Mathygamhna m Nell m Donchadha
m Con caisil m Domhnaill m Matgamhna m Laignen m Cerbaill mc Mail poil
mc Fogartaigh mc Ruadhrach, mc Maoil fogartaigh m Artrach m Aitechta
mic Mael duibh m Cronain m Ferghusa m Nat sluaigh m Cairpre an daimh
airgit m Eachdhach (col. b) m Cremthainn leth m Feig m Deadaidh duirn m
Rochadhae m Colla focrith m Eachach doimhlein m Cairpre lifechair
m Corbmaic ulfada m Airt aoinfhir m Cuinn cetcathaigh.
1618. Oedh, Eogan, Rosae, Sernus, Remann, Brian, Seaan, Irial, da Art,
Enri, Ardgal, Ruaidri, Giolla pattraicc, Rudraide, Edbard, Donnchad,
Collae, Maghnus : clann Ruttraighe m Ardghall m Briain m Aedha m Rooilbh.
1619. Pilib, Aedh, Ardghal, Cu uladh, Aenghus, Seaan, Maelsechlainn: clann
Briain mhoir m Aedha m Rooilbh.
1620. Cu connacht ruadh, Eochaidh: clann Pilib ruaidli m Briain m Aedha
m Echadha mc Mathghamhna.
1621. (col. c). Toirrdelbach, Seaan, Cu uladh, Ruaidri, Gofraidh,
Domhnall: clann Mail seachlainn mc Eochadhae m Mathghamna m Nell
m Maghnusa.
1622. Eochaidh, Domhnall, Maghnus: clann Toirrdelbalgh m Mail sechloinn
m Echada m Mathgamna m Nell m Magnusa m Mathghamna.
1623. Cu uladh m Con uladh m Mail seclainn m Echada m Matghamna
m Nell m Magnussa m Mathghamhna.
1624. Brian m Aodha oicc m Aedha m Seaain bhuide m Eoghain m Rudraighe
m Ardgail m Briain moir m Aedha m Roilbh.
1625. (col. d). Giolla padraicc m Airt maoil m Remainn m Glaisne
m Remainn mc Rudraighe m Ardgail m Briain moir.
1626. Rosa m Briain m Remainn mc Glaisne m Remainn m Rudraighe m Ardgail
m Briain mhoir.
1627. Brian m Eimhir m Con uladh m Aedha rualdh in Aedha oig m Aedha ruaidh
m Rudraighe m Ardgail m Briain mhoir.
Trinity H4.31 (17th century - date 1668 in ms.)
Geinelach Mcc. Mhathgamhna
Art Óg, Brian Óg, 7 Aodh Óg clann Bhriain m. Aogh Óig m. Aodh m. Seathain Buidhe m. Eoghain m. Rughraidhe m. Ardghail m. Briain Mhoir m. Aodh m. Roghalaibh m. Eachaidh m. Mathgamhna m. Aodh, 7 as mc. ele don Aodh sin Niall Uaibhreach, 7 ase (le) truime a chiosa 7 a thiagernus ro theichseatt na taosigh as Mugarna Oirghiall a tTriuin Conghail, 7 as don tsiubhal sin sloinnter an fearann attreabhaid moran diobh aniugh, .i. Mugharna Iath Eathach — m. Maghnusa m. Mathgamhna m. Neill m. Donnchaidh m. Con Chaisil, 7 as mac ele don Chon Chaisil sin Muirchertach m. Domhnaill m. Mathgamhna o bhfuilitt an nfine, m. Laighnein m. Cerbhaill m. Ruarach m. (etc ... m. Nad Sluagh ... mc. Colla Dha Crioch). Translation, with dates of obits from the Annals:
McMahon Genealogy
Art the Younger, Brian the Younger, and Aodh the Younger, children of Brian s. Aodh the Younger (? 1577) s. Aodh (1505) s. Seaán the Tawny (1492) s. Eoghan (1467) s. Ruaidhri (1432) s. Ardghal (1416) s. Brian the Great (1371/2) s. Aodh S. Roulbh (1314) s. Eachaidh (1275) [s. Mathgamhain] s. Aodh and another son of this Aodh was Niall the Arrogant, and it was because of the oppressiveness of his taxation and his lordship that the chiefs fled from Modharna of Oirghialla into Trian Conghail, and from that migration the land in which many of them dwell today is named Modhorna of Iveagh — s, Maghnus s. Mathghamhain s. Niall s. Donnchadh s. Cú Chaisil — and another son of this Cú Chaisil was Muirchertach — s. Domhnall s. Mathghamhain from whom the family is (named) — s. Laidhgnen s. Cerbhall s. Rudhra ... s. Nad Sluaigh s ... s. Colla Dhá Crioch.
Fermanagh Genealogies (after 1700)
(Geinealaighe Fearmanach)
GEINEOLACH MHEGMATHGAMHNA.
991. Brian mc Aodh oig mc Aodh mhic Seaghuin bhúidhe mc Eogain mc Rúghrúidhe
mhic Airdail mc Briain mhóir mc Aodh mc Roailbh mc Eochaidh mc Mathghamna
mhic Aodh mc Néill uaibhrigh mc Maghmór mc Mathghamhna mhic Néill mc Donchadh
mc Conchaisil mac Muircheartaigh mc Dómhnaill mc Mathghamhna, aco an fine,
mc Laighnéin mhic Cearbhail mhic Maoilpóil mc Fogartaigh mc Ruaidhrigh
mhic Maoilfogurtach mhic Rónáin mc Fearghus mc Natsuaghaigh mc Cairbre an
Donn airgiod mc Eachaigh mc Criomhthainn mc Feaigh mac Deaghaidh Duirnn
mc Rochadha mc Colla Dhá Chrioch.
992. [P. 106] Ocht mic déug Rúghráidhe mhic Airdghail an so .i. Éogan Aodh,
ruadh, Emonn, Ross, Séamus, Brian, Seaghan, Oiriall, Enri, Árdghall, Rúghrúidhe,
Giolla Padruig, Rúghráidhe, Éadbhard, Donnchadh, Colla, Maghnus agus Ruaidhri.
993. Aodh mic Airt ruaidh mc Giolla Pádruig mhic Airt mhaoil mc Remuinn mhic
Glaisne mc Réamuinn mic Rúghruighe mhic Airdghaill mc Briain mhóir.
994. Colla mhic Briain mc Éimhir mc Uilliam mc Aodh ruaidh mhic Aodh óig
mhic Aodh ruaidh mhic Rughruidhe.
(p. 127)
995. Airt mc Briain mc Aodh óig mic Aodh mc Seaghain bhúidhe mhic Éoghain
mhic Rughruidhe.
996. Tabhram tosach do chraobhsgaoile Éoghain mc Rúghraighe do réir
sinsireacht.
997. Eóghan Réamonn Giolla Pádruig, Éimhir agus Brian óg cland Rúghrúidhe
mhic Aodh óig mc Aodh mc Séamuis bhuidhe mc Éogain mhic Rúghraighe
mhic Airdghail.
998. Séaghan buidhe, Éoghan, Conn óg agus Tuathal buidhe clann Chuinn
mc Aodha mic Eoghain mc Philip mc Seaghain bhúidhe mic Eóghain mhic Rúghrúidhe.
999. Ardghal agus Rúghraighe clann Éimhir mc Rúghráidhe mc Éogain mhic Philib
mc Seaghain bhúidhe.
1000. [P. 107] Rúghrúidhe óg mc Rúghrúidhe mc Rossa mc Cuinn mac Seaghain bhúidhe.
Some Account of the Territory and Dominion of Farney in the
Province and Earldom of Ulster, 1845
Evelyn Philip Shirley (1822-1882)
20. Ruadragh
21. Fogarty
22. Maelpoil
23. Carroll, Lord of Farney
24. Laidgnew, killed AD 987
25. Mahon, killed at Clones, AD 1022
26. Donell
27. Cucashell O’Carroll, Lord of Farney, died AD 1123
28. Donogh
29. Niall (1196-1217)
30. Mahon
31. Magnus
32. Hugh
33. Mathghamhain or Mahon
34. Eochaidh Mac Mahon, killed AD 1273. Lord of Oriel.
35. Roolb, or Rory Mac Mahon, killed AD 1323.
36. Aodh d. 1344
37. Brian Mor became king, 1365; sl. 1372
~ compiled by John D McLaughlin
July, 2003
Scholar Katharine Simms of Trinity College has authored a chapter in a book coming out in the Autumn of 2003 that should be an interesting read. The article is titled:
‘The MacMahon genealogy, a medieval forgery’ and will be in a book by Four Courts Press titled: Regions and Rulers in Ireland, c.1100-1650 David Edwards, Editor. To order, view their online catalogue at: Four Courts Press