Dukedoms in the Peerage of Ireland, 1642-1825
- Duke of Ormonde 1661 Butler extinct 1758 also Duke of Ormonde in England until 1715
- Duke of Tyrconnell 1689 Talbot forfeit 1691
- Duke of Leinster 1691 Schomberg extinct 1719 also Duke of Schomberg in England
- Duchess of Munster 1716 Schulenberg extinct 1754 also Duchess of Kendal in Great Britain from 1719, peerage for life only
- Duke of Leinster 1766 FitzGerald extant
- Duke of Abercorn 1868 Hamilton extant
Duke of Ormonde 1661
Duke of Tyrconnel 1689
Duke of Leinster 1691
Duchess of Munster 1716
Duke of Leinster 1766
Duke of Abercorn 1868
Marquessates in the Peerage of Ireland, 1642-1825
- Marquess of Antrim 1645 MacDonnell extinct 1682
- Marquess of Clanricarde 1646 Burke extinct 1657
- Marquess of Catherlough 1715 Wharton extinct 1657 also Duke of Wharton in Great Britain 1718, forfeit 1729.
- Marquess of Clanricarde 1785 de Burgh extinct 1797
- Marquess of Antrim 1789 MacDonnell extinct 1791
- Marquess of Waterford 1789 Beresford extant
- Marquess of Downshire 1789 Hill extant
- Marquess of Donegall 1791 Chichester extant
- Marquess of Drogheda 1791 Moore extinct 1892
- Marquess Wellesley 1799 Wellesley extinct 1842
- Marquess of Headfort1800 Taylour extant
- Marquess of Sligo 1800 Browne extant
- Marquess of Thomond 1800 O'Brien extinct 1855
- Marquess of Ely 1800 Loftus, Tottenham extant
- Marquess of Londonderry 1816 Stewart extant
- Marquess Conyngham 1816 Conyngham extant
- Marquess of Ormonde 1816 Butler extinct 1820
- Marquess of Westmeath 1822 Nugent extinct 1871
- Marquess of Ormonde 1825 Butler extinct 1997
- Marquess of Clanricarde 1825 de Burgh-Canning extinct 1916
Marquess of Antrim 1645 and 1789
Marquess of Clanricarde 1646 and 1785
Marquess of Catherlough 1715
Marquess of Waterford 1789
Marquess of Downshire 1789
Marquess of Donegall 1791
Marquess of Drogheda 1791
Marquess Wellesley 1799
Marquess of Headfort 1800
Marquess of Sligo 1800
Marquess of Thomond 1800
Marquess of Ely 1800
Marquess of Londonderry 1816
Marquess Conyngham
Marquess of Ormonde 1816 and 1825
Marquess of Westmeath 1822
Marquess of Clanricarde 1825