Dukes
| Title | Creation | Other titles |
|---|---|---|
| The Duke of Leinster | 1766 | Viscount Leinster in the Peerage of Great Britain Lord Kildare in the Peerage of the United Kingdom |
| The Duke of Abercorn | 1868 | Earl of Abercorn in the Peerage of Scotland Marquess of Abercorn in the Peerage of Great Britain |
Read more about this topic: Peerage Of Ireland