Rightful Kings of Ireland
THIS IS THE SUCCESSION OF HEIRS TO THE TITLE KING OF IRELAND AS IT WAS CREATED FOR HIGH KING OF IRELAND RUAIDRÍ UA CONCHOBAIR.
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Please keep in mind that besides Ruaidrí Ua Conchobair, none of these people actually held the title King of Ireland. This is just a list of heirs to the title.
1166 - 1198
Ruaidrí I
Ruaidrí Ua Conchobair, the last High King of Ireland and first King of Ireland. Son of High King Tairrdelbach Ua Conchobair. He was also King of Connacht.
1198-1202
Cathal Carrach
Cathal carrach Ua Conchobair was the King of Connacht. He was the son of Conchobar Máenmaige Ua Conchobair, King of Connacht (c.1132-1189), son of King Ruaidrí I of Ireland.
1202-1213
Máelshechlainn
Máelshechlainn Ua Conchobair was the Tánaiste (heir) to the Connacian and Irish thrones. He was the only son of Cathal carrach.
1213-1233
Amhlaíb
Amhlaíb Ua Conchobair was the only known son of Máelshechlainn.
1233-1274
Áed Bán
Áed Bán Ua Conchobair, or King Áed I of Ireland, was the only known son of Amhlaíb.
1274-1277
Ruaidrí II
Ruaidrí Bréifnech Ua Conchobair, or King Ruaidrí II of Ireland, was the eldest of two sons of Áed Bán. He died childless in 1277.
1277-1313
Conchobar
Conchobar Ua Conchobair, or King Conchobar of Ireland, was the youngest of two sons of Áed Bán.
1313-1349
Seaghán I
Seaghán Ó Conchobair, or King Seaghán I of Ireland, was the only known son of Conchobar.
1349-1355
Pádhrac
Pádhrac Ó Conchobair (1309-1355), or King Pádhrac of Ireland, was the only known son of Conchobar.
1355-1399
Donnchad Bán
Donnchad bán Ó Conchobair (1346-?), or King Donnchad of Ireland, was the only known son of Pádhrac.
1399-?
Domnall
Domnall Ó Conchobair (1390-?), or King Domnall of Ireland, was the eldest of three sons of Donnchad bán and his wife, Gwenllian verch Rhys. Gwenllian's male-line ancestors were the Kings of Dublin, and Gwenllian was the last living member of that dynasty. Therefore, the descendants of Donnchad and Gwenllian are also the rightful Kings of Dublin.
?-1451
Aodh II
Aodh Ó Conchobhair (1411-1451), or King Aodh II of Ireland, was the only son of Domnall.
1451-1504
Seumas
Seumas Ó Conchobhair (1450-1504), or King Seumas of Ireland, was the eldest of two sons and middle of three children of Aodh II.
1504-1543
Seaghán II
Seaghán Ó Conchobhair (1473-1543), or King Seaghán II of Ireland, was the eldest of two children of Seumas.
1543-1578
Feidhlimidh
Feidhlimidh Ó Conchobhair (1499-1578), or King Feidhlimidh of Ireland, was the only child of Seumas.
1578
Aodh III
Aodh Ó Conchobhair (1521-1578), or King Aodh III of Ireland, was the only son and youngest child of Feidhlimidh. He had an elder sister, Lasairfhíona.
1578-1600
Seaghán III
Seaghán Ó Conchobhair (1552-1600), or King Seaghán III of Ireland, was the only son and middle of three children of Aodh III. He had an elder sister, Siobhán, and a younger sister, Úna.
1600-1637
Uilliam I
Uilliam Ó Conchobhair (1552-1600), or King Uilliam I of Ireland, was the only child of Seaghán III. He had a son, Féidhlim, who predeceased him as a child (1616-1621). Beyond that, he had only daughters: Áine (1599-1632), Máire who was a nun (1607-1637), Siobhán (1611-1613), and Íosabéal (1614-1636).
1637-1681
Alasdair Beag
Alasdair Beag Ó Conchobhair (1602-1681), or King Alasdair of Ireland, was the only son and second child of Alasdair óg Ó Conchobhair and his wife, Alice Nugent. Alice was the daughter of Princess Úna, daughter of King Aodh III of Ireland. Thus, Alasdair Beag and Uilliam I were 1st cousins 1x removed. In the male-line, they both descended from King Ruaidrí I.
1681-1699
Seaghán IV
Shane O'Connor (1631-1699), or King Seaghán IV of Ireland, was the eldest of three sons of Alasdair Beag.
1699-1744
Cináed
Kenneth O'Connor (1664-1744), or King Cináed of Ireland, was the only son of Seaghán IV.
1744-?
Ruaidhrí III
Roderic O'Connor (1685-?), or King Ruaidhrí III of Ireland, was the only son and youngest of two children of Cináed. His only child was a daughter, Abigaile (Áibigéil), born in 1712.
?-1784
Ruaidhrí IV
Ruaidhrí O'Connor (1701-1784), or King Ruaidhrí IV of Ireland, was the only child of Brian O'Connor and his wife Princess Máire, daughter of King Cináed. Brian was a descendant of King Ruaidrí I in the male-line, and his father Cailean's mother was Princess Áine, daughter of King Uilliam I.
1784-1810
Díolún I
Dylan/Dillon O'Connor (1726-1810), or King Díolún I of Ireland, was the only child of Ruaidhrí IV.
1810-1817
Ruaidhrí V
Ruaidhrí Óg O'Connor (1743-1817), or King Ruaidhrí V of Ireland, was the only child of Díolún I.
1817-1836
Uilliam II
William O'Connor (1768-1836), or King Uilliam II of Ireland, was the only child of Ruaidhrí V.
1836
Cailean
Collin O'Connor (1786-1836), or King Cailean of Ireland, was the eldest of two children of Uilliam II.
1837-1863
Seán V
John O'Connor (1790-1863), or King Seán V of Ireland, was the youngest of two children of Uilliam II.
1863-1891
Cathal II
Charles O'Connor (1803-1891), or King Cathal II of Ireland, was the only child of Seán V.
1891-1894
Ruaidhrí VI
Richard O'Connor (1850-1894), or King Ruaidhrí VI of Ireland, was the eldest of two sons of Prince Séamus (1820-1889), the only son of Cathal II.
1894-1904
Ruaidhrí VII
Richard O'Connor (1884-1904), or King Ruaidhrí VII of Ireland, was the only son and youngest of two children of Prince Dubhglas (1859-1904), the younger son of Prince Séamus.
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With the death of Ruaidhrí VII, the male-line of Ruaidrí I is extinct and the kingships of Ireland and Dublin pass to the sons of Íosác based on their descent from Uilliam I and Ruaidhrí III.
Ruaidhrí VII's elder sibling was a sister, Ella Augusta O'Connor, who died childless, allegedly on a voyage to America, but more likely after arriving.
1904-1910
Seán VI
Seán Aodh Mac Bréifneach (1861-1910) was the eldest son and third child of Íosác Mac Bréifneach, who predeceased his father Beircheart, the Gaelic Lord of Tuam, in 1875.
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Seán VI is the founder of the Limerick branch of the House of Mac Bréifneach, named for the head of the branch's position as Duke of Limerick.
1910-1944
Seosamh I
Seosamh Art Mac Bréifneach (1862-1944) was the eldest brother of Seán VI, who married morganatically.
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1944-1956
Próinséas
Próinséas de Brún Mac Bréifneach (1887-1956) was the eldest son and child of Seosamh I.
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He is the founder of the Waterford branch, who are so named because their patriarch is the Duke of Waterford.
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1956-1964
Anraí
Guy Anraí Mac Bréifneach (1889-1964) was the eldest brother of Próinséas, who married morganatically.
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Anraí only had daughters: Éibhlin (1911-1945) and Madailín (1913-2012).
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1964-1966
Seosamh II
Seosamh Óg Biniáimin Mac Bréifneach (1892-1966) was the younger brother of Próinséas, Anraí, and Eógan (1891-1940) who all married morganatically. He was not the youngest son.
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1966-2014
Fionnladh
Fionnladh Aralt Mac Bréifneach (1919-2014) was the eldest son of Seosamh II, and his only child by his first wife, Dora-Althea de Castillon (1899-1919) daughter of the would-be 8th Marquis de Beynes.
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2014-2019
Dáibhid
Dáibhid Uilliam Mac Bréifneach (1945-living) was the eldest child and only son of Fionnladh.
Dáibhid was not interested in the claim, but served as nominal regent from 2016-2019.
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2019-present
Díolún II
Díolún Críostóir Dómhnall Séamas Stiubhart MacQuarrie Ruairc Mac Bréifneach (2001-living) is the eldest child and son of Prince Críostóir (born 1975), the only son of Dáibhid.
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Dáibhid is not interested in the claim, but served as nominal regent from 2016-2019. Críostóir is also uninterested in the claim. Both actively oppose monarchical forms of government.
