# Lord Deputy of Ireland

The Lord Deputy was the representative of the monarch and head of the Irish executive under English rule, during the Lordship of Ireland and then the Kingdom of Ireland. He deputised prior to 1523 for the Viceroy of Ireland. The plural form is Lords Deputy.

## List of Lords Deputy
### Lordship of Ireland

| Portrait or Arms | Name (Birth–Death) | Nationality | Term of office | Term of office | Term of office | Monarch | Ref. |
| Portrait or Arms | Name (Birth–Death) | Nationality | Took office | Left office | Time in office | Monarch | Ref. |
| | Thomas de la Dale (c. 1316–1373) | English | 1365 | 1366 | | Edward III | |
| | Thomas Mortimer (c. 1350–1399) | English | 1382 | 1383 | | Richard II | |
| | Thomas FitzGerald, 7th Earl of Kildare (c. 1421–1477) | Anglo-Irish | 1454 | 1459 | | Henry VI | |
| | William Sherwood (died 1482) | English | 1462 | 1462 | | Edward IV | |
| | Thomas FitzGerald, 7th Earl of Desmond (died c. 1467) | Anglo-Irish | 1463 | 1467 | | Edward IV | |
| | John Tiptoft, 1st Earl of Worcester (1427–1470) | English | 1467 | 1468 | | Edward IV | |
| | Thomas FitzGerald, 7th Earl of Kildare (c. 1421–1477) | Anglo-Irish | 1468 | 1475 | | Edward IV | |
| | Thomas FitzGerald, 7th Earl of Kildare (c. 1421–1477) | Anglo-Irish | 1468 | 1475 | | Henry VI | |
| | Thomas FitzGerald, 7th Earl of Kildare (c. 1421–1477) | Anglo-Irish | 1468 | 1475 | | Edward IV | |
| | William Sherwood (died 1482) | English | 1475 | 1477 | | Edward IV | |
| | Gerald FitzGerald, 8th Earl of Kildare (c. 1456–1513) | Anglo-Irish | 1477 | 1477 | | Edward IV | |
| | Henry Grey, 4th Baron Grey of Codnor (c. 1435–1496) | English | 1478 | 1479 | | Edward IV | |
| | Gerald FitzGerald, 8th Earl of Kildare (c. 1456–1513) | Anglo-Irish | 1479 | ?1494 | | Edward IV | |
| | Gerald FitzGerald, 8th Earl of Kildare (c. 1456–1513) | Anglo-Irish | 1479 | ?1494 | | Edward V | |
| | Gerald FitzGerald, 8th Earl of Kildare (c. 1456–1513) | Anglo-Irish | 1479 | ?1494 | | Richard III | |
| | Gerald FitzGerald, 8th Earl of Kildare (c. 1456–1513) | Anglo-Irish | 1479 | ?1494 | | Henry VII | |
| | Walter Fitzsimon (died 1511) | Anglo-Irish | 1492 | 1492 | | Henry VII | |
| | Robert Preston, 1st Viscount Gormanston (1435–1503) | Anglo-Irish | 1493 | 1494 | | Henry VII | |
| | Edward Poynings (c. 1459–1521) | English | 1494 | 1496 | | Henry VII | |
| | Gerald FitzGerald, 8th Earl of Kildare (c. 1456–1513) | Anglo-Irish | 1496 | 1513 | | Henry VII | |
| | Gerald FitzGerald, 8th Earl of Kildare (c. 1456–1513) | Anglo-Irish | 1496 | 1513 | | Henry VIII | |
| | Gerald FitzGerald, 9th Earl of Kildare (c. 1487–1534) | Anglo-Irish | 1513 | 1518 | | Henry VIII | |
| | Sir Maurice Fitzgerald | Anglo-Irish | | | | Henry VIII | |
| | Thomas Howard, Earl of Surrey (1473–1554) | English | 1520 | 1522 | | Henry VIII | |
| | Piers Butler, 8th Earl of Ormond (c. 1467–1539) | Anglo-Irish | 1522 | 1524 | | Henry VIII | |
| | Gerald FitzGerald, 9th Earl of Kildare (c. 1487–1534) | Anglo-Irish | 1524 | 1529 | | Henry VIII | |
| | William Skeffington (c. 1465–1535) | English | 1529 | 1532 | | Henry VIII | |
| | Gerald FitzGerald, 9th Earl of Kildare (c. 1487–1534) | Anglo-Irish | 1532 | 1534 | | Henry VIII | |
| | William Skeffington (c. 1465–1535) | English | 1534 | 1535 | | Henry VIII | |
| | Leonard Grey, 1st Viscount Grane (died 1541) | English | 1536 | 1540 | | Henry VIII | |

### Kingdom of Ireland

| Portrait or Arms | Name (Birth–Death) | Nationality | Term of office | Term of office | Term of office | Monarch | Ref. |
| Portrait or Arms | Name (Birth–Death) | Nationality | Took office | Left office | Time in office | Monarch | Ref. |
| | Anthony St Leger (c. 1496–1559) | English | 1540 | 1548 | | | |
| | Anthony St Leger (c. 1496–1559) | English | 1540 | 1548 | | Edward VI | |
| | Edward Bellingham (1506–1549) | English | 1548 | 1549 | | Edward VI | |
| | Lord Justices | | 1549 | 1550 | | Edward VI | |
| | Anthony St Leger (c. 1496–1559) | English | 1550 | 1551 | | Edward VI | |
| | James Croft (c. 1518–1590) | English | 1551 | 1552 | | Edward VI | |
| | Lord Justices (1552–1553) | | | | | Edward VI | |
| | Anthony St Leger (c. 1496–1559) | English | 1553 | 1556 | | Edward VI | |
| | Anthony St Leger (c. 1496–1559) | English | 1553 | 1556 | | Mary I | |
| | Thomas Radclyffe, 3rd Earl of Sussex (c. 1525–1583) | English | 1556 | 1558 | | Mary I | |
| | Thomas Radclyffe, 3rd Earl of Sussex (c. 1525–1583) (as Lord Lieutenant) | English | 1560 | 1564 | | Elizabeth I | |
| | Nicholas Arnold (1507–1580) | English | 1564 | 1565 | | Elizabeth I | |
| | Henry Sidney (1529–1586) | English | 1565 | 1571 | | Elizabeth I | |
| | William FitzWilliam (1526–1599) | English | 1571 | 1575 | | Elizabeth I | |
| | Henry Sidney (1529–1586) | English | 1575 | 1578 | | Elizabeth I | |
| | Arthur Grey, 14th Baron Grey de Wilton (1536–1593) | English | 1580 | 1582 | | Elizabeth I | |
| | John Perrot (1528–1592) | Welsh | 1584 | 1588 | | Elizabeth I | |
| | William FitzWilliam (1526–1599) | English | 1588 | 1594 | | Elizabeth I | |
| | William Russell, 1st Baron Russell of Thornhaugh (died 1613) | English | 11 August 1594 | 1597 | | Elizabeth I | |
| | Thomas Burgh, 3rd Baron Burgh (c. 1558–1597) | English | 1597 | 1597 | | Elizabeth I | |
| | Robert Devereux, 2nd Earl of Essex (1565–1601) | English | 1599 | 1599 | | Elizabeth I | |
| | Charles Blount, 8th Baron Mountjoy (1563–1606) (as Lord Lieutenant 1603–1604) | English | 1600 | 1603 | | Elizabeth I | |
| | Charles Blount, 8th Baron Mountjoy (1563–1606) (as Lord Lieutenant 1603–1604) | English | 1600 | 1603 | | James VI and I | |
| | George Carey (c. 1541–1616) | English | 1603 | 1604 | | James VI and I | |
| | Arthur Chichester, 1st Baron Chichester (1563–1625) | English | 1605 | 1616 | | James VI and I | |
| | Oliver St John, 1st Viscount Grandison (1559–1630) | English | 1616 | 1622 | | James VI and I |
| | Henry Cary, 1st Viscount Falkland (c. 1575–1633) | English | 1622 | 1629 | | James VI and I | |
| | Henry Cary, 1st Viscount Falkland (c. 1575–1633) | English | 1622 | 1629 | | Charles I | |
| | Thomas Wentworth, 1st Earl of Strafford (1593–1641) | English | 1632 | 1640 | | Charles I | |
| | Christopher Wandesford (1592–1640) | English | 1640 | 1640 | | Charles I | |
| | Robert Sidney, 2nd Earl of Leicester (1595–1677) (as Lord Lieutenant) | English | 1640 | 1643 | | Charles I | |
| | James Butler, 1st Duke of Ormond (1610–1688) (as Lord Lieutenant) | Anglo-Irish | 1644 | 1650 | | Charles I | |
| | Henry Ireton (1611–1651) | English | 1650 | 1651 | | Charles I | |
| | Charles Fleetwood (c. 1618–1692) | English | 1652 | 1657 | | Charles I | |
| | Henry Cromwell (1628–1674) (as Lord Lieutenant 1658–1659) | English | 1657 | 1658 | | Charles I | |
| | Edmund Ludlow (c. 1617–1692) | English | 1659 | 1660 | | Charles I | |
| | George Monck, 1st Duke of Albemarle (1608–1670) | English | 1660 | 1661 | | Charles I |
| | James Butler, 1st Duke of Ormond (1610–1688) | Anglo-Irish | 1662 | 1668 | | Charles I | |
| | Thomas Butler, 6th Earl of Ossory (1634–1680) | Anglo-Irish | 1668 | 1669 | | Charles I | |
| | John Robartes, 1st Earl of Radnor (1606–1685) | English | 1669 | 1670 | | Charles I | |
| | John Berkeley, 1st Baron Berkeley of Stratton (1602–1678) | | 1670 | 1672 | | Charles I | |
| | Arthur Capell, 1st Earl of Essex (c. 1631–1683) | English | 1672 | 1677 | | Charles I | |
| | James Butler, 1st Duke of Ormond (1610–1688) | Anglo-Irish | 1677 | 1682 | | Charles I | |
| | Richard Butler, 1st Earl of Arran (1639–1686) | Anglo-Irish | 1682 | 1684 | | Charles I | |
| | James Butler, 1st Duke of Ormond (1610–1688) | Anglo-Irish | 1684 | 1685 | | Charles I | |
| | Lords Justices | | 24 February 1685 | | | Charles I | |
| | Henry Hyde, 2nd Earl of Clarendon (1638–1709) | English | 1685 | 1687 | | Charles I | |
| | Richard Talbot, 1st Earl of Tyrconnell (c. 1630–1691) | Irish | 1687 | 1688 | | Charles I | |
The title subsequently became Lord Lieutenant of Ireland, with the holder also known informally as the Viceroy.