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From CODECS: Online Database and e-Resources for Celtic Studies
Geoffrey KeatingKeating (Geoffrey)
(c.1580–1644)
Céitinn (Seathrún)
Irish priest, historian and poet; author of Foras feasa ar Éirinn
See more John LaniganLanigan (John)
(1758–1828)
Irish priest and church historian.
See more Angharad LlwydLlwyd (Angharad)
(1769–1866)
Welsh antiquary.
See more John LynchLynch (John)
(c. 1599–1677)
Lucius (Gratianus)
Irish priest and scholar; author of Cambrensis eversus (1662), under the Latin pseudonym Gratianus Lucius.
See more Patrick Lynch [d. 1818]Lynch (Patrick) ... d. 1818
(1754/57–1818)
Ó Loingsigh (Pádraig) ... d. 1818
Irish schoolmaster, private tutor, author and editor.
See more Giolla na Naomh Mac Aodhagáin [d. 1309]Mac Aodhagáin (Giolla na Naomh) ... d. 1309
(d. 1309)
Irish legal scholar.
See more Christianus Mac CarthaigMac Carthaig (Christianus)
(d. 1148 × 1156)
Third abbot of St James of Regensburg, believed to have been a Munsterman of the Mac Carthaig family of Desmond.
See more Díarmait Mac MurchadaMac Murchada (Díarmait)
(c.1110–1171)
Díarmait Mac Murchada;MacMurrough (Dermot);Díarmait na nGall
king of Leinster, son of Donnchad Mac Murchada (d. 1115)
See more Art Buidhe Mac Murchadha CaomhánachMac Murchadha Caomhánach (Art Buidhe)
(r. 1511–d. 1517)
King of Leinster, son of Domhnall Riabhach.
See more Cathaoir mac Airt Bhuidhe Mac Murchadha CaomhánachMac Murchadha Caomhánach (Cathaoir mac Airt Bhuidhe)
(d. 1554)
Irish lord in Leinster, son of Art Buidhe Mac Murchadha Caomhánach, king of Leinster.
See more Domhnall Spáinneach Mac Murchadha CaomhánachMac Murchadha Caomhánach (Domhnall Spáinneach)
(r. c.1595–1603, d. 1632)
Last king of Leinster (r. c.1595-1603).
See more Muircheartach Óg mac Cathaoir Mac Murchadha CaomhánachMac Murchadha Caomhánach (Muircheartach Óg mac Cathaoir)
(d. 1586)
Irish lord, leader of a branch of the Meic Murchadha Caomhánach and rival to Cathaoir mac Airt Bhuidhe.
See more Muiris mac Muircheartaigh Mac Murchadha CaomhánachMac Murchadha Caomhánach (Muiris mac Muircheartaigh)
(d. 1314)
Irish lord in Leinster, son of Muircheartach.
See more Máel RuainMáel Ruain
(d. 792)
Founding bishop-abbot of the monastery of Tallaght (Ir. Tamlacht, Co. Dublin) and a pioneer and leader of a kind of monastic reform that inspired the emergence of the Céli Dé.
See more Máel RubaiMáel Rubai
(d. 722)
Máel Ruba;Sagart Ruadh
Abbot and founder of the monastery of Apor Crossan (Applecross, Scotland), commemorated as a saint in Irish and Scottish sources.
See more William Monck MasonMason (William Monck)
(1775–1859)
Irish historian
See more Thomas MessinghamMessingham (Thomas)
(c.1575–1638?)
Churchman and hagiographer who was born into an Old English family in Meath, studied at the Irish college at Douai and became a rector at the Irish college of Paris. He published a hagiographic collection entitled Florilegium insulae sanctorum (Paris, 1624).
See more Benignus MillettMillett (Benignus)
(1922–2006)
Irish Franciscan priest and historian.
See more Mo Chóemóc of LeamakevogeMo Chóemóc of Leamakevoge
(supp. fl. 6th/7th century)
Mo Chóemóc of Leamakevoge;Mo Chóemóc of Leigh
Mo Chóemóc (modern form: Mochaomhóg), pet form of Cóemán, is saint and reputed founder of Liath Mo Chóemóc (Leamakevoge, Leigh/Leighmore, Co. Tipperary).
See more Muirchertach mac NéillMuirchertach mac Néill
(d. 943)
Muirchertach na Cochall Craicinin;Muirchertach of the Leather Cloaks
King of Ailech from the Cenél nÉogain, son of Níall Glúndub mac Áeda.
See more Muru of FahanMuru of Fahan
(c.600–c.650)
Mura of Fahan;Muru mac Feradaig
founder and patron saint of Othain (now Fahan, Inishowen barony, Co. Donegal)
See more Máiréad Ní GhrádhaNí Ghrádha (Máiréad)
(1896–1971)
Irish author, playwright and broadcaster.
See more Níall Glúndub mac ÁedaNíall Glúndub mac Áeda
(d. 919)
High-king of Ireland from the Cenél nEógain branch of the northern Uí Néill.
See more Toirrdelbach Ó Briain [d. 1306]Ó Briain (Toirrdelbach) ... d. 1306
(d. 1306)
King of Thomond, son of Tadhg Ó Briain.
See more Dáibhí Ó BruadairÓ Bruadair (Dáibhí)
(fl. 1625–c.1698(?))
Ó Bruadair (Dáibhídh);Ó Bruadair (David)
Prolific Irish poet.
See more Eoghan Ó CaoimhÓ Caoimh (Eoghan)
(1656–1726)
Munster poet and scribe.
See more Muircheartach Ó CeallaighÓ Ceallaigh (Muircheartach)
(d. c.1407)
Bishop of Clonfert and archbishop of Tuam (since 1393/94).
See more Cú Choigcríche Ó CléirighÓ Cléirigh (Cú Choigcríche)
(d. in or after 1664)
Ó Cléirigh (Cú Choigcríche)
Irish scholar, poet, historian and scribe; one of the so-named ‘Four Masters’.
See more Lughaidh Ó CléirighÓ Cléirigh (Lughaidh)
(c.1580–c.1630)
Irish historian and poet, known best as the author of a ‘biography’ of Aodh Ruadh Ó Domhnaill (Beatha Aodha Ruaidh Uí Dhomhnaill) and as one of the initiators of the ‘Contention of the Bards’; was one of the sons of Mac Con Ó Cléirigh and a cousin of Mícheál Ó Cléirigh.
See more Mícheál Ó CléirighÓ Cléirigh (Mícheál)
(d. 1643)
O'Clery (Michael)
Irish scholar, historian and scribe.
See more Peadar Ó DoirnínÓ Doirnín (Peadar)
(c.1700–1769)
Ulster poet and (hedge)schoolmaster.
See more Seaán Mór Ó DubhagáinÓ Dubhagáin (Seaán Mór)
(d. 1372)
Ó Dubhagáin (Seán Mór)
Irish poet and historian.
See more Tomás Ó GormáinÓ Gormáin (Tomás)
(1732–1809)
Ó Gormáin (Chevalier)
No short description available
See more Giolla na Naomh Ó hUidhrínÓ hUidhrín (Giolla na Naomh)
No short description available
See more Tadhg Dall Ó hUiginnÓ hUiginn (Tadhg Dall)
(fl. c.1550–c.1591)
Irish bardic poet and scholar, member of the Ó hUiginn family, son of Mathghamhain Ó hUiginn.
See more Tadhg Óg Ó hUiginnÓ hUiginn (Tadhg Óg)
(d. 1448)
Irish bardic poet of the Uí hUiginn of Connacht, son of poet Tadhg Ó hUiginn. His extant work reveals a wide range of elite patrons for whom he composed poems.
See more Mícheál mac Peadair Ó LongáinÓ Longáin (Mícheál mac Peadair)
(c.1693–c.1770)
Ó Longáin (Mícheál mac Peadar)
scribe from Limerick
See more Mícheál Óg Ó LongáinÓ Longáin (Mícheál Óg)
(1766–1837)
Irish scribe; son of Mícheál mac Peadair Ó Longáin
See more Muiris mac Torna Ó Maoil ChonaireÓ Maoil Chonaire (Muiris mac Torna)
(d. 1645)
Irish scholar, poet and scribe of the Ó Maoil Chonaire family. He is known to have made a small contribution to the Annals of the Four Masters.
See more Lorcán Ó MuireadhaighÓ Muireadhaigh (Lorcán)
(1883–1941)
Murray (Laurence Patrick);Murray (Laurence P.)
Irish Catholic priest (diocese of Armagh), historian, Irish language activist and collector; founder of the magazine An tUltach and co-founder of the County Louth Archaeological Society.
See more Énrí Ó MuirgheasaÓ Muirgheasa (Énrí)
(1874–1945)
Morris (Henry);Mac Róigh (Feargus)
Irish scholar and author, collector of oral traditions.
See more Toirdhealbhach Luineach Ó NéillÓ Néill (Toirdhealbhach Luineach)
(c.1530–1595)
O'Neill (Turlough Luineach);Ó Néill (Toirdhealbhach Luinneach)
Irish lord, son of Niall Connallach Ó Néill. His mother was Rose, sister to Maghnus Ó Domhnaill.
See more Toirdhealbhach mac Éinrí Ó NéillÓ Néill (Toirdhealbhach mac Éinrí)
(1562–1640)
Lord of the Fews in succession to his father Éinrí Ó Néill (Heny O’Neill, d. c.1565). His mother was Siobhán Mág Uidhir (Maguire), daughter of Cú Chonnacht Mág Uidhir.
See more Brian Ballach Ó RuaircÓ Ruairc (Brian Ballach)
(d. 1562)
King of Bréifne.
See more Amhlaoibh Ó SúilleabháinÓ Súilleabháin (Amhlaoibh)
(1783–1838)
O'Sullivan (Humphrey)
Irish businessman, storyteller and schoolteacher, known for writing a diary, largely in Irish, between 1827 and 1835.
See more Brian O'LooneyO'Looney (Brian)
(d. 1901)
Ó Luanaigh (Brian);O'Looney (Bryan)
No short description available
See more Oliver PlunkettPlunkett (Oliver)
(1625–1681)
Pluincéid (Oilibhéar)
Archbishop of Armagh. He was ordained in 1669, after spending considerable time as a student and cleric in Rome (1647–1669). He fell victim to the crisis over an alleged ‘popish plot’. Having been found guilty of high treason against the Crown, he was violently executed at Tyburn on 11 July 1681. In the 20th century, he was both beautified (1920) and canonised (1975).
See more William ReevesReeves (William)
(1815–1892)
Irish antiquarian scholar; bishop of the Anglican see of Down, Connor and Dromore; keeper of the Armagh Public Library
See more Scandlán MórScandlán Mór
(d. 643 x 646)
King of Osraige, son of Colmán son of Bicne Cáech. He is best known in relation to the Synod of Druim Cett, at which time his father was king of Osraige and Scandlán, apparently a youth, was held hostage by Áed mac Ainmirech, overking from the Cenél Conaill branch of the Uí Néill. According to Adomnán, Colum Cille conferred a blessing on him and Scandlán would later take up the kingship of Osraige. He is sometimes given as a son of Cend Fáelad. Charles-Edwards suggests that a pedidgree may have been the source of confusion (Rawl. B 502: Cend Fáelad m. Colmain cuius filius Scandlain).
See more Sedulius ScottusSedulius Scottus
(fl. 9th century)
Irish scriptural scholar, teacher, grammarian and poet who made a career in Francia and became a leading intellectual figure at the court of Charles the Bald.
See more
(c.1580–1644)
Céitinn (Seathrún)
Irish priest, historian and poet; author of Foras feasa ar Éirinn
See more John LaniganLanigan (John)
(1758–1828)
Irish priest and church historian.
See more Angharad LlwydLlwyd (Angharad)
(1769–1866)
Welsh antiquary.
See more John LynchLynch (John)
(c. 1599–1677)
Lucius (Gratianus)
Irish priest and scholar; author of Cambrensis eversus (1662), under the Latin pseudonym Gratianus Lucius.
See more Patrick Lynch [d. 1818]Lynch (Patrick) ... d. 1818
(1754/57–1818)
Ó Loingsigh (Pádraig) ... d. 1818
Irish schoolmaster, private tutor, author and editor.
See more Giolla na Naomh Mac Aodhagáin [d. 1309]Mac Aodhagáin (Giolla na Naomh) ... d. 1309
(d. 1309)
Irish legal scholar.
See more Christianus Mac CarthaigMac Carthaig (Christianus)
(d. 1148 × 1156)
Third abbot of St James of Regensburg, believed to have been a Munsterman of the Mac Carthaig family of Desmond.
See more Díarmait Mac MurchadaMac Murchada (Díarmait)
(c.1110–1171)
Díarmait Mac Murchada;MacMurrough (Dermot);Díarmait na nGall
king of Leinster, son of Donnchad Mac Murchada (d. 1115)
See more Art Buidhe Mac Murchadha CaomhánachMac Murchadha Caomhánach (Art Buidhe)
(r. 1511–d. 1517)
King of Leinster, son of Domhnall Riabhach.
See more Cathaoir mac Airt Bhuidhe Mac Murchadha CaomhánachMac Murchadha Caomhánach (Cathaoir mac Airt Bhuidhe)
(d. 1554)
Irish lord in Leinster, son of Art Buidhe Mac Murchadha Caomhánach, king of Leinster.
See more Domhnall Spáinneach Mac Murchadha CaomhánachMac Murchadha Caomhánach (Domhnall Spáinneach)
(r. c.1595–1603, d. 1632)
Last king of Leinster (r. c.1595-1603).
See more Muircheartach Óg mac Cathaoir Mac Murchadha CaomhánachMac Murchadha Caomhánach (Muircheartach Óg mac Cathaoir)
(d. 1586)
Irish lord, leader of a branch of the Meic Murchadha Caomhánach and rival to Cathaoir mac Airt Bhuidhe.
See more Muiris mac Muircheartaigh Mac Murchadha CaomhánachMac Murchadha Caomhánach (Muiris mac Muircheartaigh)
(d. 1314)
Irish lord in Leinster, son of Muircheartach.
See more Máel RuainMáel Ruain
(d. 792)
Founding bishop-abbot of the monastery of Tallaght (Ir. Tamlacht, Co. Dublin) and a pioneer and leader of a kind of monastic reform that inspired the emergence of the Céli Dé.
See more Máel RubaiMáel Rubai
(d. 722)
Máel Ruba;Sagart Ruadh
Abbot and founder of the monastery of Apor Crossan (Applecross, Scotland), commemorated as a saint in Irish and Scottish sources.
See more William Monck MasonMason (William Monck)
(1775–1859)
Irish historian
See more Thomas MessinghamMessingham (Thomas)
(c.1575–1638?)
Churchman and hagiographer who was born into an Old English family in Meath, studied at the Irish college at Douai and became a rector at the Irish college of Paris. He published a hagiographic collection entitled Florilegium insulae sanctorum (Paris, 1624).
See more Benignus MillettMillett (Benignus)
(1922–2006)
Irish Franciscan priest and historian.
See more Mo Chóemóc of LeamakevogeMo Chóemóc of Leamakevoge
(supp. fl. 6th/7th century)
Mo Chóemóc of Leamakevoge;Mo Chóemóc of Leigh
Mo Chóemóc (modern form: Mochaomhóg), pet form of Cóemán, is saint and reputed founder of Liath Mo Chóemóc (Leamakevoge, Leigh/Leighmore, Co. Tipperary).
See more Muirchertach mac NéillMuirchertach mac Néill
(d. 943)
Muirchertach na Cochall Craicinin;Muirchertach of the Leather Cloaks
King of Ailech from the Cenél nÉogain, son of Níall Glúndub mac Áeda.
See more Muru of FahanMuru of Fahan
(c.600–c.650)
Mura of Fahan;Muru mac Feradaig
founder and patron saint of Othain (now Fahan, Inishowen barony, Co. Donegal)
See more Máiréad Ní GhrádhaNí Ghrádha (Máiréad)
(1896–1971)
Irish author, playwright and broadcaster.
See more Níall Glúndub mac ÁedaNíall Glúndub mac Áeda
(d. 919)
High-king of Ireland from the Cenél nEógain branch of the northern Uí Néill.
See more Toirrdelbach Ó Briain [d. 1306]Ó Briain (Toirrdelbach) ... d. 1306
(d. 1306)
King of Thomond, son of Tadhg Ó Briain.
See more Dáibhí Ó BruadairÓ Bruadair (Dáibhí)
(fl. 1625–c.1698(?))
Ó Bruadair (Dáibhídh);Ó Bruadair (David)
Prolific Irish poet.
See more Eoghan Ó CaoimhÓ Caoimh (Eoghan)
(1656–1726)
Munster poet and scribe.
See more Muircheartach Ó CeallaighÓ Ceallaigh (Muircheartach)
(d. c.1407)
Bishop of Clonfert and archbishop of Tuam (since 1393/94).
See more Cú Choigcríche Ó CléirighÓ Cléirigh (Cú Choigcríche)
(d. in or after 1664)
Ó Cléirigh (Cú Choigcríche)
Irish scholar, poet, historian and scribe; one of the so-named ‘Four Masters’.
See more Lughaidh Ó CléirighÓ Cléirigh (Lughaidh)
(c.1580–c.1630)
Irish historian and poet, known best as the author of a ‘biography’ of Aodh Ruadh Ó Domhnaill (Beatha Aodha Ruaidh Uí Dhomhnaill) and as one of the initiators of the ‘Contention of the Bards’; was one of the sons of Mac Con Ó Cléirigh and a cousin of Mícheál Ó Cléirigh.
See more Mícheál Ó CléirighÓ Cléirigh (Mícheál)
(d. 1643)
O'Clery (Michael)
Irish scholar, historian and scribe.
See more Peadar Ó DoirnínÓ Doirnín (Peadar)
(c.1700–1769)
Ulster poet and (hedge)schoolmaster.
See more Seaán Mór Ó DubhagáinÓ Dubhagáin (Seaán Mór)
(d. 1372)
Ó Dubhagáin (Seán Mór)
Irish poet and historian.
See more Tomás Ó GormáinÓ Gormáin (Tomás)
(1732–1809)
Ó Gormáin (Chevalier)
No short description available
See more Giolla na Naomh Ó hUidhrínÓ hUidhrín (Giolla na Naomh)
No short description available
See more Tadhg Dall Ó hUiginnÓ hUiginn (Tadhg Dall)
(fl. c.1550–c.1591)
Irish bardic poet and scholar, member of the Ó hUiginn family, son of Mathghamhain Ó hUiginn.
See more Tadhg Óg Ó hUiginnÓ hUiginn (Tadhg Óg)
(d. 1448)
Irish bardic poet of the Uí hUiginn of Connacht, son of poet Tadhg Ó hUiginn. His extant work reveals a wide range of elite patrons for whom he composed poems.
See more Mícheál mac Peadair Ó LongáinÓ Longáin (Mícheál mac Peadair)
(c.1693–c.1770)
Ó Longáin (Mícheál mac Peadar)
scribe from Limerick
See more Mícheál Óg Ó LongáinÓ Longáin (Mícheál Óg)
(1766–1837)
Irish scribe; son of Mícheál mac Peadair Ó Longáin
See more Muiris mac Torna Ó Maoil ChonaireÓ Maoil Chonaire (Muiris mac Torna)
(d. 1645)
Irish scholar, poet and scribe of the Ó Maoil Chonaire family. He is known to have made a small contribution to the Annals of the Four Masters.
See more Lorcán Ó MuireadhaighÓ Muireadhaigh (Lorcán)
(1883–1941)
Murray (Laurence Patrick);Murray (Laurence P.)
Irish Catholic priest (diocese of Armagh), historian, Irish language activist and collector; founder of the magazine An tUltach and co-founder of the County Louth Archaeological Society.
See more Énrí Ó MuirgheasaÓ Muirgheasa (Énrí)
(1874–1945)
Morris (Henry);Mac Róigh (Feargus)
Irish scholar and author, collector of oral traditions.
See more Toirdhealbhach Luineach Ó NéillÓ Néill (Toirdhealbhach Luineach)
(c.1530–1595)
O'Neill (Turlough Luineach);Ó Néill (Toirdhealbhach Luinneach)
Irish lord, son of Niall Connallach Ó Néill. His mother was Rose, sister to Maghnus Ó Domhnaill.
See more Toirdhealbhach mac Éinrí Ó NéillÓ Néill (Toirdhealbhach mac Éinrí)
(1562–1640)
Lord of the Fews in succession to his father Éinrí Ó Néill (Heny O’Neill, d. c.1565). His mother was Siobhán Mág Uidhir (Maguire), daughter of Cú Chonnacht Mág Uidhir.
See more Brian Ballach Ó RuaircÓ Ruairc (Brian Ballach)
(d. 1562)
King of Bréifne.
See more Amhlaoibh Ó SúilleabháinÓ Súilleabháin (Amhlaoibh)
(1783–1838)
O'Sullivan (Humphrey)
Irish businessman, storyteller and schoolteacher, known for writing a diary, largely in Irish, between 1827 and 1835.
See more Brian O'LooneyO'Looney (Brian)
(d. 1901)
Ó Luanaigh (Brian);O'Looney (Bryan)
No short description available
See more Oliver PlunkettPlunkett (Oliver)
(1625–1681)
Pluincéid (Oilibhéar)
Archbishop of Armagh. He was ordained in 1669, after spending considerable time as a student and cleric in Rome (1647–1669). He fell victim to the crisis over an alleged ‘popish plot’. Having been found guilty of high treason against the Crown, he was violently executed at Tyburn on 11 July 1681. In the 20th century, he was both beautified (1920) and canonised (1975).
See more William ReevesReeves (William)
(1815–1892)
Irish antiquarian scholar; bishop of the Anglican see of Down, Connor and Dromore; keeper of the Armagh Public Library
See more Scandlán MórScandlán Mór
(d. 643 x 646)
King of Osraige, son of Colmán son of Bicne Cáech. He is best known in relation to the Synod of Druim Cett, at which time his father was king of Osraige and Scandlán, apparently a youth, was held hostage by Áed mac Ainmirech, overking from the Cenél Conaill branch of the Uí Néill. According to Adomnán, Colum Cille conferred a blessing on him and Scandlán would later take up the kingship of Osraige. He is sometimes given as a son of Cend Fáelad. Charles-Edwards suggests that a pedidgree may have been the source of confusion (Rawl. B 502: Cend Fáelad m. Colmain cuius filius Scandlain).
See more Sedulius ScottusSedulius Scottus
(fl. 9th century)
Irish scriptural scholar, teacher, grammarian and poet who made a career in Francia and became a leading intellectual figure at the court of Charles the Bald.
See more
