Macduff (Viscountcy)
A peerage of the Kingdom of Ireland.
Letters patent issued on Thu 26th Apr 1759
To William Duff as Hereditary peerage subsidiary to another created by the same letters patent.
Holders
| Number | Surname | Forenames | Held from | Held to |
|---|---|---|---|---|
| 1st | Duff | William | Thu 26th Apr 1759 | Fri 30th Sep 1763 |
| 2nd | Duff | James | Fri 30th Sep 1763 | Tue 24th Jan 1809 |
| 3rd | Duff | Alexander | Tue 24th Jan 1809 | Wed 17th Apr 1811 |
| 4th | Duff | James | Wed 17th Apr 1811 | Mon 9th Mar 1857 |
| 5th | Duff | James | Mon 9th Mar 1857 | Thu 7th Aug 1879 |
| 6th | Duff | Alexander William George | Thu 7th Aug 1879 | Mon 29th Jan 1912 |
Peerage extinct on Mon 29th Jan 1912 with the 6th holder .