Individual Page


Family:
Marriage: Children:
  1. Penelope O'BRIEN Death: 18 Apr 1702 in Westminster
  2. Henry O'BRIEN, Earl Of Thomond Birth: Abt 1620 Death: 2 May 1691 in Great Billing

Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 03 Canonteigh-Cutts. London: St Catherine Press, 1913. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 3 also available at http://archive.org/completepeerageo03coka Information from this source tagged as [Ref: CP III [Ap][p0-9].*].
  2. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 09, Moels-Nugent. London: St Catherine Press, 1936. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP IX [Ap][p0-9].*].
  3. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 10, Oakham-Richmond. London: St Catherine Press, 1945. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP X [Ap][p0-9].*].
  4. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 12-1, Skelmersdale-Towton. London: St Catherine Press, 1953. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP XII/1 [Ap][p0-9].*].
  5. Howard, J Jacoson, Sir Henry Lawson, Genealogical Collections Illustrating the History of Roman Catholic Families of England. Based on the Lawson Manuscript. London: private printing, 1887-92. Available at https://familysearch.org/search/film/007955230, images 1059-1117, images 1122-1153, film/007562061, images 1-1206, film/007955230, images 1158-1180. Information from this source tagged as [Ref: Howard RomCathEng p[0-9]*].

Sources for birth and parent Information
date:
abt 1590 [Ref: CP XII/1 p708],
parents:
[Ref: CP XII/1 p708],
father:
[Ref: Howard RomCathEng p4]
Sources for death Information
date:
[Ref: CP III p541]
Sources for burial Information
date:
[Ref: CP XII/1 p709, Howard RomCathEng p4],
place:
[Ref: CP XII/1 p709]
Sources with Information about marriage to Mary FERMOR
date:
[Ref: CP III p541, CP XII/1 p709]
16 Jul 1615 [Ref: Howard RomCathEng p4],
place:
[Ref: CP III p541, CP XII/1 p709],
child:
[Ref: CP X p499, CP XII/1 p709, Howard RomCathEng p4]
Research Notes:
5th Earl of Thomond, of Earldom cr 1551 [Ref: CP XII/1 p708]
6th Earl of Thomond [Ref: CP III p541]
Earl of Thomond [Ref: CP IX p630]

heir of his brother [Ref: CP XII/1 p708]



Pedigree of Barnabas O'BRIEN, Earl Of Thomond
                                                                /-----Brian O'Brien, King Of Thomond
                                                       /-----Turlogh Bog O'Brien, King Of Thomond
                                              /-----Teige O'BRIEN, Prince Of Thomond
                                     /-----Turlogh Don O'BRIEN, Prince Of Thomond
                            /-----Conor O'BRIEN
                           |        |         /-----John MACNAMARA
                           |         \-----Raghnailt MACNAMARA
                   /-----Donough O'BRIEN, Earl Of Thomond
                  |        |         /-----Ulick De BURGH
                  |         \-----Annabell De BURGH
          /-----Conor O'BRIEN, Earl Of Thomond
         |        |                                             /-----James BUTLER, Earl Of Ormond
         |        |                                    /-----Sir Richard BUTLER
         |        |                                   |         \-----Anne WELLES
         |        |                           /-----Sir Edmund BUTLER
         |        |                          |        |         /-----Gildas O'REILLY
         |        |                          |         \-----Catherine O'REILLY
         |        |                  /-----Sir James BUTLER
         |        |                 |        |                  /-----Teige O'CARROLL
         |        |                 |        |         /-----Melroona O'CARROLL
         |        |                 |        |        |         \-----Joan BUTLER
         |        |                 |         \-----Shile O'CARROLL
         |        |                 |                  \-----Bibiana O'DEMPSEY
         |        |         /-----Sir Piers BUTLER, Earl Of Ormond
         |        |        |        |         /-----Donald Reagh MacMorrogh KAVANAGH
         |        |        |         \-----Sabine KAVANAGH
         |         \-----Ellen BUTLER
         |                 |                                    /-----John FITZ GERALD, Earl Of Kildare
         |                 |                           /-----John Cam FITZ GERALD
         |                 |                          |         \-----Margaret De La HERNE
         |                 |                  /-----Thomas FITZ GERALD, Earl Of Kildare
         |                 |         /-----Gerald FITZGERALD, K.G., Earl Of Kildare
         |                 |        |        |                  /-----Gerald Fitz Morice, Earl Of Desmond
         |                 |        |        |         /-----James FITZ GERALD, Earl Of Desmond
         |                 |        |        |        |         \-----Alianore Le BOTILLER
         |                 |        |         \-----Joan FITZ GERALD
         |                 |        |                 |         /-----Ulick Mac RICHARD BURK
         |                 |        |                  \-----Mary Mac RICHARD BURK
         |                  \-----Margaret FITZGERALD
         |                          |                  /-----Sir Edward FITZEUSTACE
         |                          |         /-----Rowland FITZEUSTACE, Baron Portlester
         |                           \-----Alison FITZEUSTACE
         |                                    \-----Jenet BELLEW
 /-----Donough O'BRIEN, Earl Of Thomond
|        |         /-----Turlogh MAC-T-BRIEN-ARA
|         \-----Ownye
Barnabas O'BRIEN, Earl Of Thomond
|                                                               /-----Maurice FITZ THOMAS FITZ GERALD, Earl Of Kildare
|                                                      /-----John FITZ GERALD, Earl Of Kildare
|                                                     |         \-----Elizabeth De BURGHERSH
|                                             /-----John Cam FITZ GERALD
|                                            |         \-----Margaret De La HERNE
|                                    /-----Thomas FITZ GERALD, Earl Of Kildare
|                           /-----Gerald FITZGERALD, K.G., Earl Of Kildare
|                          |        |                           /-----Morice FITZ THOMAS, Earl Of Desmond
|                          |        |                  /-----Gerald Fitz Morice, Earl Of Desmond
|                          |        |                 |         \-----Aveline Fitz Nicholas
|                          |        |         /-----James FITZ GERALD, Earl Of Desmond
|                          |        |        |        |         /-----James BUTLER, Earl Of Ormond
|                          |        |        |         \-----Alianore Le BOTILLER
|                          |        |        |                  \-----Elizabeth DARCY
|                          |         \-----Joan FITZ GERALD
|                          |                 |         /-----Ulick Mac RICHARD BURK
|                          |                  \-----Mary Mac RICHARD BURK
|                  /-----Gerald FITZGERALD, Earl Of Kildare
|                 |        |                  /-----Sir Edward FITZEUSTACE
|                 |        |         /-----Rowland FITZEUSTACE, Baron Portlester
|                 |         \-----Alison FITZEUSTACE
|                 |                  \-----Jenet BELLEW
|         /-----Gerald FITZGERALD, Earl Of Kildare
|        |        |                                             /-----Sir Reynold De GREY, Lord Grey Of Ruthin
|        |        |                                    /-----Reynold De GREY, Lord Grey Of Ruthin
|        |        |                                   |         \-----Alinore LESTRANGE
|        |        |                           /-----Edward De GREY, Lord Ferrers Of Groby
|        |        |                          |        |         /-----Sir William ASTLEY, Lord Astley
|        |        |                          |         \-----Joan ASTELEY
|        |        |                          |                  \-----Joan WILLOUGHBY
|        |        |                  /-----Sir John GREY
|        |        |                 |        |                  /-----William De FERRERS, Lord Ferrers Of Groby
|        |        |                 |        |         /-----Sir Henry FERRERS
|        |        |                 |        |        |         \-----Philippa De CLIFFORD
|        |        |                 |         \-----Elizabeth FERRERS, Lady Ferrers Of Groby
|        |        |                 |                 |         /-----Sir Thomas MOWBRAY, K.G., Duke Of Norfolk
|        |        |                 |                  \-----Isabel MOWBRAY
|        |        |                 |                           \-----Elizabeth FITZ ALAN
|        |        |         /-----Thomas GREY, K.G., Marquess of Dorset
|        |        |        |        |                           /-----Sir John De WYDEVILLE
|        |        |        |        |                  /-----Richard De WYDEVILLE
|        |        |        |        |                 |         \-----Isabel GOBION
|        |        |        |        |         /-----Sir Richard WYDVILLE, K.G., Earl of Rivers
|        |        |        |        |        |        |         /-----Thomas BEDLISGATE
|        |        |        |        |        |         \-----Joan BEDLISGATE
|        |        |        |        |        |                  \-----Joan BEAUCHAMP
|        |        |        |         \-----Elizabeth WYDVILLE
|        |        |        |                 |                  /-----Jean II Count Of Brienne And Conversano
|        |        |        |                 |         /-----Peter Of Luxemburg, Count Of St. Pol
|        |        |        |                 |        |         \-----Marguerite De Enghien
|        |        |        |                  \-----Jacquetta Of St.Pol
|        |        |        |                          |         /-----Francis De Baux, Duke Of Andria
|        |        |        |                           \-----Margaret Of Andria
|        |        |        |                                    \-----Sveva ORSINI
|        |         \-----Elizabeth GREY
|        |                 |                                    /-----Sir John BONVYLE
|        |                 |                           /-----William BONVILLE, K.G., Lord Bonville
|        |                 |                          |         \-----Elizabeth FITZ ROGER
|        |                 |                  /-----William BONVILLE
|        |                 |                 |        |         /-----Reynold De GREY, Lord Grey Of Ruthin
|        |                 |                 |         \-----Margaret GREY
|        |                 |                 |                  \-----Margaret De ROOS
|        |                 |         /-----William BONVILLE, Lord Harrington
|        |                 |        |        |                  /-----Sir Robert HARINGTON, Lord Harington
|        |                 |        |        |         /-----William HARINGTON, Lord Harington
|        |                 |        |        |        |         \-----Isabel LORING
|        |                 |        |         \-----Elizabeth HARINGTON
|        |                 |        |                 |         /-----Sir John HILL
|        |                 |        |                  \-----Margaret HILL
|        |                 |        |                           \-----Maud DAUBENEY
|        |                  \-----Cicely BONVILLE, Baroness Harrington And Bonvil
|        |                          |                           /-----John De NEVILL, K.G. Lord Neville Of Raby
|        |                          |                  /-----Sir Ralph De NEVILLE, K.G., Earl Of Westmoreland
|        |                          |                 |         \-----Maud PERCY
|        |                          |         /-----Sir Richard De NEVILLE, K.G., Earl Of Salisbury
|        |                          |        |        |         /-----John Of Gaunt K.G., Duke of Lancaster
|        |                          |        |         \-----Joan De BEAUFORT
|        |                          |        |                  \-----Katharine Of Hainault
|        |                           \-----Katherine NEVILLE
|        |                                   |                  /-----John De MONTAGU, K.G., Earl Of Salisbury
|        |                                   |         /-----Sir Thomas MONTAGU, K.G., Earl Of Salisbury
|        |                                   |        |         \-----Maud FRAUNCEYS
|        |                                    \-----Alice MONTAGU, Countess Of Salisbury
|        |                                            |         /-----Sir Thomas HOLLAND, K.G., Earl Of Kent
|        |                                             \-----Eleanor De HOLAND
|        |                                                      \-----Alice FITZALAN
 \-----Elizabeth FITZGERALD
         |                                    /-----Sir Richard BROWNE
         |                           /-----Sir Thomas BROWNE
         |                  /-----Sir Anthony BROWNE
         |                 |        |                           /-----Sir John FITZ ALAN, Lord Arundel
         |                 |        |                  /-----Sir John FITZ ALAN, Lord Arundel
         |                 |        |                 |         \-----Eleanor MAUTRAVERS, Baroness Mautravers
         |                 |        |         /-----Sir Thomas ARUNDEL
         |                 |        |        |        |         /-----Sir Edward DESPENSER, K.G., Lord Of Glamorgan
         |                 |        |        |         \-----Elizabeth DESPENSER
         |                 |        |        |                  \-----Elizabeth De BURGHERSH, Baroness Burghersh
         |                 |         \-----Eleanor ARUNDEL
         |                 |                 |         /-----Henry MOYNS
         |                 |                  \-----Joan MOYNS
         |         /-----Sir Anthony BROWNE, K.G.
         |        |        |                                    /-----John De NEVILL, K.G. Lord Neville Of Raby
         |        |        |                           /-----Sir Ralph De NEVILLE, K.G., Earl Of Westmoreland
         |        |        |                          |         \-----Maud PERCY
         |        |        |                  /-----Sir Richard De NEVILLE, K.G., Earl Of Salisbury
         |        |        |                 |        |         /-----John Of Gaunt K.G., Duke of Lancaster
         |        |        |                 |         \-----Joan De BEAUFORT
         |        |        |                 |                  \-----Katharine Of Hainault
         |        |        |         /-----John De NEVILLE, K.G., Marquess of Montagu
         |        |        |        |        |                  /-----John De MONTAGU, K.G., Earl Of Salisbury
         |        |        |        |        |         /-----Sir Thomas MONTAGU, K.G., Earl Of Salisbury
         |        |        |        |        |        |         \-----Maud FRAUNCEYS
         |        |        |        |         \-----Alice MONTAGU, Countess Of Salisbury
         |        |        |        |                 |         /-----Sir Thomas HOLLAND, K.G., Earl Of Kent
         |        |        |        |                  \-----Eleanor De HOLAND
         |        |        |        |                           \-----Alice FITZALAN
         |        |         \-----Lucy NEVILLE
         |        |                 |                           /-----Sir John INGOLDTHORPE
         |        |                 |                  /-----Thomas INGOLDTHORPE
         |        |                 |                 |         \-----Elizabeth BURGH
         |        |                 |         /-----Sir Edmund INGOLDTHORPE
         |        |                 |        |        |         /-----Sir Walter De La POLE
         |        |                 |        |         \-----Margaret De La POLE
         |        |                 |        |                  \-----Elizabeth BRADESTON
         |        |                  \-----Isabel INGOLDTHORPE
         |        |                          |                  /-----Sir Payn TYBETOT
         |        |                          |         /-----Sir John TIPTOFT, Lord Tiptoft
         |        |                          |        |         \-----Agnes WROTH
         |        |                           \-----Joan TIPTOFT
         |        |                                   |         /-----Sir Edward CHERLETON, K.G., Lord Cherleton
         |        |                                    \-----Joyce CHERLETON
         |        |                                             \-----Eleanor HOLLAND
          \-----Mable BROWNE
                  |                                             /-----John De GAUGE
                  |                                    /-----John GAUGE
                  |                           /-----Sir John GAGE
                  |                          |        |         /-----John SUDGROVE
                  |                          |         \-----Joan SUDGROVE
                  |                  /-----William GAGE
                  |                 |        |                  /-----Sir Philip St CLAIR
                  |                 |        |         /-----Thomas St. CLAIR
                  |                 |        |        |         \-----Margaret De LOUVAIN
                  |                 |         \-----Alianore St. CLAIR
                  |                 |                 |         /-----Sir William De HOO
                  |                 |                  \-----Margaret HOO
                  |                 |                           \-----Eleanor WINGFIELD
                  |         /-----Sir John GAGE, K.G.
                  |        |        |         /-----Bartholomew BOLNEY
                  |        |         \-----Agnes BOLNEY
                  |        |                  \-----Eleanor
                   \-----Alice GAGE
                           |                                    /-----William GUILDFORD
                           |                           /-----Edward GUILDFORD
                           |                          |         \-----Joan De HALDEN
                           |                  /-----Sir John GUILFORD
                           |                 |         \-----Julian De PITTLESDEN
                           |         /-----Sir Richard GUILFORD, K.G.
                           |        |        |                  /-----John WALLER
                           |        |        |         /-----Richard WALLER
                           |        |        |        |         \-----Margaret LANDSDALE
                           |        |         \-----Alice WALLER
                           |        |                  \-----Silvia GULBY
                            \-----Philippe GUILFORD
                                    |         /-----John PIMPE
                                     \-----Anne PIMPE



Descendants of Barnabas O'BRIEN, Earl Of Thomond
1. Barnabas O'BRIEN, Earl Of Thomond m. Mary FERMOR
m. Mary FERMOR father: Sir George FERMOR mother: Mary CURSON

2nd generation

2. Penelope O'BRIEN m. Henry MORDAUNT, Earl of Peterborough
m. Henry MORDAUNT, Earl of Peterborough father: John MORDAUNT, Earl of Peterborough mother: Elizabeth HOWARD
3. Henry O'BRIEN, Earl Of Thomond m1. Anne O'BRIEN m2. Sarah RUSSELL
m. Anne O'BRIEN father: Henry O'BRIEN, Earl Of Thomond mother: Mary BRERETON
m. Sarah RUSSELL father: Sir Francis RUSSELL mother: Catherine WHEATLEY

3rd generation

5. Henry O'BRIEN, Lord Ibrackan m. Catherine STUART, Baroness Clifton
m. Catherine STUART, Baroness Clifton father: George STUART, Lord of Aubigny mother: Katherine HOWARD