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Kings of Uí Failghe

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Project: British Isles Royals and Aristocrats 742-1499 --- Project: British Isles Royals and Aristocrats 1500-Present


Kings of Uí Failghe

Early kings

  • Failge Berraide (flourished 507-514)
  • Bruidge mac Nath Í (died 579)
  • Áed Rón mac Cathail (died 604)
  • Ailill mac Áedo Róin (died 639)
  • Cillíne mac Forannáin (died 652)
  • Fland Dá Chongal
  • Forbassach Ua Congaile (died 714)
  • Ailill Corrach mac Flainn (died 741)
  • ------Project: British Isles Royals and Aristocrats 742-1499 ---------
  • Flaithnia mac Flainn (died 755)
  • Cummascach mac Flainn (died 757)
  • Cináed mac Flainn (died 770)
  • Mugrón mac Flainn (died 782).
  • Domnall mac Flaíthnia (died 783)
  • Óengus mac Mugróin (died 803)
  • Flaíthnia mac Cináeda (died 806)
  • Cináed mac Mugróin (died 829)
  • Mugrón mac Óengusa (d.842)
  • Niall mac Cináeda (d.849)
  • Máel Sinchill mac Mugróin (d.881)
  • Conchobar mac Flannacáin (d.891)
  • Uathmarán mac Conchobair (d.897)

Later kings c.1051-c.1556

  • Congalach Ua Conchobair, d. 1051
  • Gilla Patraic mac Conchobair Ua Sibleain, 1051-1071
  • Conchobar mac Congalaig, 1071-1115
  • Muirchertach, ?-1095
  • Rogan mac Domnaill meic Conchobair, 1115-c.1118
  • Cu Faifne mac Congalaig, c.1118-1130
  • Donnchad mac Con Faifne, 1130-1134
  • Aed mac Domnaill, 1134-????
  • Mael Morda mac Conchobair
  • Conchobair mac Con Faifne
  • Mael Sechlainn mac Conchobair
  • Congalach mac Con Faifne
  • Murchad mac Con Faifne
  • Muirchertach mac Muirchertaig (Int Athchlerch), ????-c.1151
  • Aed mac Donnchada (Gilla na Findmona), c.1151-1159
  • Domnall Ruad mac Congalaig, 1159-1161
  • Mael Sechlainn mac Congalaig, 1161-1164
  • Donchad Ruad Roigne, 1164-????
  • Diarmait mac Congalaig,
  • Muirchertach mac Congalaig, ????-1169?
  • Diarmait mac Con Broga Ua Dimmusaig, after 1172-1193
  • Muirchertach mac Brian, fl. 1212
  • Mael Morda mac Muirchertaig meic Donnchada, ????-1225
  • Muirchertach mac Mael Morda, 1225-????
  • Muirchertach mac Muirchertaig, ????-c. 13 June 1305
  • Murchad mac Muirchertaig, 1305-????
  • Mael Sechlainn mac Muirchertaig, ????-1329
  • Muirchertach Óg mac Muircherartaig, ????-1384
  • Murchadh O'Connor Faly (abt.1340-1421) Murchad mac Muircheartaig Óg, 1384-1421
  • Diarmaid O'Connor Faly (abt.1380-1425) Diarmaid mac Muirchertaigh Óg, 1421-c. 1425
  • An Calbhach Mór mac Murchada, c. 1425-1458 (see Máireg Béan Ó Conchubhair Fáilghe)
  • Conn mac an Chalbhaig, 1458-autumn 1474[1]
  • Cathaoir mac Cuinn, 1474-1511
  • Brian mac Taidhg meic an Chalbhaigh, 1511-1517
  • An Calbhach mac Taidhg, 1517-c. 1525
  • Brian mac Cathaoir, c. 1525 - c. 1556 (created Baron Offaly [see below] in 1538; title forfeited in 1550)[2]

Barons of Offaly

FitzGerald Barons of Offaly

O'Conor Faly Barons of Offaly

  • Brian O'Conor Faly (1525–1556) (In Irish, Brian mac Cathaoir O Conchobhair Failghe) attainted in 1550

Barons Offaly, first creation (1554–1599)

Barons Offaly, second creation (1620–present)

  • Lettice Digby, 1st Baroness Offaly (c. 1578–1658)
  • George FitzGerald, 16th Earl of Kildare, 2nd Baron Offaly (1612–1660)


  1. Dictionary of Irish Biography profile for Conn O'Connor Faly (d.1474)
  2. See also Brian's Dictionary of Irish Biography profile. According to the DIB profile for Brian FitzPatrick (1st Baron Upper Ossory), O'Connor's daughter Elizabeth O'Connor was FitzPatrick's 3rd wife (from ca.1550 until FitzPatrick's death in 1575, with issue).

Also see:

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