| Balfour (Barony) |
James Balfour - Fri 8th Nov 1619
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- |
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| Ballymote (Barony) |
John Taaffe - Tue 1st Aug 1628
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28 March 1919 |
- |
| Baltimore (Barony) |
George Calvert - Sun 16th Feb 1625
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- |
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| Baltinglass (Barony) |
John Stratford - Sat 21st May 1763
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19 December 1875 |
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| Baltinglass (Viscountcy) |
Richard Talbot - Wed 20th Jun 1685
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- |
- |
| Baltinglass (Viscountcy) |
Thomas Roper - Sun 27th Jun 1627
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- |
- |
| Bandon (Viscountcy) |
Francis Bernard - Sun 4th Oct 1795
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8 February 1979 |
- |
| Bandon (Barony) |
Francis Bernard - Tue 26th Nov 1793
|
8 February 1979 |
- |
| of Bandon (Earldom) |
Francis Bernard - Fri 29th Aug 1800
|
8 February 1979 |
- |
| Bandon Bridge (Barony) |
Lewis Boyle - Mon 28th Feb 1628
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- |
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| of Bangor (Earldom) |
Meinhardt Schomberg - Mon 3rd Mar 1692
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5 July 1719 |
- |
| Bangor (Barony) |
Bernard Ward - Wed 30th May 1770
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- |
- |
| Bangor (Viscountcy) |
Bernard Ward - Wed 10th Jan 1781
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- |
- |
| Bantry (Barony) |
Richard White - Fri 24th Mar 1797
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30 November 1891 |
- |
| of Bantry (Earldom) |
Richard White - Sat 13th Jan 1816
|
30 November 1891 |
- |
| Bantry (Viscountcy) |
Richard White - Sat 3rd Jan 1801
|
30 November 1891 |
- |
| Bantry (Barony) |
Thomas Roper - Sun 27th Jun 1627
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- |
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| Bard (Barony) |
Henry Bard - Tue 18th Jul 1645
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- |
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| Barnewall (Viscountcy) |
Nicholas Barnewall - Fri 29th Jun 1646
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- |
- |
| Barrells (Viscountcy) |
Robert Knight - Sat 14th May 1763
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30 March 1772 |
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