Reamhair O'Neill||unknown|| 1398 |- | Niall Óg mac Néill O'Neill 1397–1402 || || Son of Niall Mór mac Aodha Reamhair O'Neill ||Una O'Neil|| 1403 |- | Brian Óg mac Néill Óg O'Neill 1402–1403 || || Son of Niall Óg mac Néill O'Neill and Una O'Neill||unknown|| 1403 |- | Domhnall mac Éinri Aimhreidh O'Neill 1404–14101414–14191421–1432 || || Son of Éinri Aimhreidh O'Neill son of Niall Mór O'Neill||unknown || 1410 |- | Eoghan mac Néill Óg O'Neill 1410–14141419–14211432–1455 || || Son of Niall Óg mac Néill O'Neill and Una O'Neill||Catherine MacMahon || 1456 |- | Éinri mac Eoghain O'Neill 1455–1483 || || Son of Eoghan mac Néill Óg O'Neill||Gormhflaith MacMurrough-Kavanagh || 1484 |- | Conn Mór mac Éinri O'Neill 1483–1493 || || Son of Éinri mac Eoghain O'Neill and Gormhflaith MacMurrough-Kavanagh||Cumach O'CahanEleanor FitzGerald || 8 January 1493 |- | Éinri Óg mac Éinri O'Neill 1493–1498 || || Son of Éinri mac Eoghain O'Neill and Gormhflaith MacMurrough-Kavanagh|| unknown || 21 August 1498 |- | Domhnall Clarach O'Neill 1498–1509 || || Son of Éinri mac Eoghain O'Neill and Gormhflaith MacMurrough-Kavanagh||unknown || 6 August 1509 |- | Art mac Aodh O'Neill 1509–1513 || || Son of Aodh O'Neill of the Fews son of Eoghan mac Néill Óg O'Neill||unknown || 1513 |- | Art Oge O'Neill 1513–1519 || || 1470Son of Conn Mór mac Éinri O'Neill and Cumach O'Cahan||unknown || 1519 |- | Conn Bacagh O'Neill 1519–1558 || || 1484Son of Conn Mór mac Éinri O'Neill and Eleanor FitzGerald ||Alice FitzGeraldSorcha O'Neill || 16 July 1559 |- | Shane O'Neill 1559–1567 || || 1530 Son of Conn O'Neill, 1st Earl of Tyrone and Alice FitzGerald ||Catherine McDonnellMargaret O'DonnellCatherine MacLean || 2 June 1567Cushendun |- | Turlough Luineach O'Neill 1567–1593 || || 1532 Son of Niall Connellagh O'Neill son of Art Oge O'Neill ||Agnes Campbell|| 10 September 1595 |- | Hugh O'Neill 1593–1607 || || 1550Son of Matthew O'Neill, 1st Baron Dungannon and Alison Roth (legitimised son of Conn O'Neill, 1st Earl of Tyrone) ||Katherine O'NeillSiobhán O'DonnellMabel BagenalKatherine Magennis || 20 July 1616Rome |- |} It could also be argued that Conn Bacach had taken the title Earl of Tyrone in 1542, as part of the process of surrender and regrant, and in the process had waived his title. Whether he could waive it without consulting his clan derbfine is part of this debate. Conn Bacach's grandson Hugh was not proclaimed king at Tullyhogue in 1593, but