King of Ireland: the rulers on the tree
15 holders of the title King of Ireland on the tree, 1542–1801, from Stuart (6), Tudor (5), Hanover (3), Orange-Nassau (1). The list is the one on this tree, not a complete one: some reigns are not recorded in Wikidata.
| 1542–1547 | Henry VIII of England | Tudor |
| 1547–1553 | Edward VI of England | Tudor |
| 1553–1553 | Lady Jane Grey | Tudor |
| 1553–1558 | Mary I | Tudor |
| 1558–1603 | Elizabeth I of England | Tudor |
| 1603–1625 | James VI and I | Stuart |
| 1625–1649 | Charles I of England | Stuart |
| 1660–1685 | Charles II of England | Stuart |
| 1685–1688 | James II of England | Stuart |
| 1689–1694 | Mary II of England | Stuart |
| 1694–1702 | William III of England | Orange-Nassau |
| 1702–1714 | Anne of Great Britain | Stuart |
| 1714–1727 | George I of Great Britain | Hanover |
| 1727–1760 | George II of Great Britain | Hanover |
| 1760–1801 | George III of Great Britain | Hanover |