THIS IS THE SUCCESSION OF HEIRS TO THE TITLE KING OF IRELAND AS IT WAS CREATED FOR HIGH KING OF IRELAND RUAIDRÍ UA CONCHOBAIR

Please keep in mind that besides the Ruaidrí Ua Conchobair, none of these people actually held the title King of Ireland. This is just a list of heirs to the title.

RUAIDRÍ UA CONCHOBAIR, LAST UNDISPUTED HIGH KING OF IRELAND

1166/7-1198

He was made King of Ireland, and was the only person to actually hold the title.

CATHAL CARRACH, KING OF CONNACHT

1198-1202

Son of Conchobar Máenmaige, King of Connacht; Grandson of Ruaidrí Ua Conchobair.

MÁELSHECHLAINN UA CONCHOBAIR

1202-1213

Son of Cathal carrach Ua Conchobair.

AMHLAÍB Ó CONCHOBAIR

1213-1233

Son of Máelshechlainn.

ÁED BÁN

1233-1274

Son of Amhlaíb.

RUAIDRÍ II

1274-1277

Son of Áed.

CONCHOBAR Ó CONCHOBAIR

1277-1313

Brother of Ruaidrí II.

SEAGHÁN I

1313-1349

Son of Conchobar.

PÁDHRAC Ó CONCHOBHAIR

1349-1355

Son of Seaghán.

DOMNALL Ó CONCHOBHAIR

1355-?

Son of Donnchad Bán, grandson of Pádhrac.

AODH II

?-1451

Son of Domnall.

SEUMAS Ó CONCHOBHAIR

1451-1504

Son of Aodh II.

SEAGHÁN II

1504-1543

Son of Seumas.

FEIDHLIMIDH Ó CONCHOBHAIR

1543-1578

Son of Seaghán II.

AODH III

1578

Son of Feidhlimidh.

SEAGHÁN III

1578-1600

Son of Aodh III.

UILLIAM I

1600-1637

Son of Seaghán III.

ALASDAIR ÓG

1637-1681

1st cousin 1x removed of Uilliam I.

SEAGHÁN IV

1681-1699

Son of Alasdair Óg.

CINÁED

1699-1744

Son of Seaghán IV.

RUADHRÍ III

1744-?

Son of Cináed.

RUAIDHRÍ IV

?-1784

Nephew of Ruaidhrí III.

DÍOLÚN I

1784-1810

Son of Ruaidhrí IV.

RUAIDHRÍ V

1810-1817

Son of Díolún I.

UILLIAM II

1817-1836

Son of Ruaidhrí V.

CAILEAN

1836

Son of Uilliam II.

SEÁN V

1837-1863

Brother of Cailean.

CATHAL II

1863-1891

Son of Seán V.

RUAIDHRÍ VI

1891-1894

Grandson of Cathal II.

DUBHGLAS

1894-1904

Brother of Ruaidhrí VI.

RUAIDHRÍ VII

1904

Son of Dubhglas. Ruaidhrí VII d.s.p., at which point the House of Ó Conchobhair heirs of this title became extinct in the male-line, and the sons of Íosác gain the right to the kingship via descent from Uilliam I and Ruaidhrí III.

SEÁN VI

1904-1910

6th cousin 3x removed of Ruaidhrí VII. Son of Íosác.

SEOSAMH I

1910-1944

Brother of Seán VI.

PROINSÉAS MAC SEOSAIMH

1944-1956

Son of Seosamh I.

LEAID MAC SEOSAIMH

1956-1964

Brother of Proinséas.

SEOSAMH II

1964-1965

Brother of Leaid.

FIONNLADH

1965-2014

Son of Seosamh II.

DÁIBHID

2014-2019

Son of Fionnladh.

DÍOLÚN II

2019-current

Grandson of Dáibhid. Dáibhid is still alive, but Díolún II began claiming the titles High King of Ireland and King of Ireland in 2016 when he was still a minor, and Dáibhid supports that claim.