Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 09-30-2024.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.


Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom available to be downloaded.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page


Family:
Marriage: Children:
  1. Murrough O'BRIEN, Lord Inchiquin Birth: 1550 Death: 20 Apr 1753

Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 07 Hussee-Lincolnshire. London: St Catherine Press, 1929. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP VII [Ap][p0-9].*].

Sources for birth and parent Information
date:
first daughter [Ref: CP VII p50],
parents:
[Ref: CP VII p50]
Sources with Information about marriage to Dermond O'BRIEN, Lord Inchiquin
date:
before 1550 [Ref: CP VII p50],
child:
[Ref: CP VII p51]
Research Notes:



Pedigree of Margaret O'BRIEN
                                                                /-----Muirchertach O'Brien, King Of Thomond
                                                       /-----Mathgamain Moinnroy O'Brien, King 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
Margaret O'BRIEN
|                                                               /-----James BUTLER, Earl Of Ormond
|                                                      /-----James BUTLER, Earl Of Ormond
|                                                     |         \-----Eleanor De BOHUN
|                                             /-----James BUTLER, Earl Of Ormond
|                                            |        |         /-----Sir John DARCY, Lord Darcy
|                                            |         \-----Elizabeth DARCY
|                                            |                  \-----Joan De BURGH
|                                    /-----Sir Richard BUTLER
|                                   |        |                  /-----Adam De WELLES, Lord Welles
|                                   |        |         /-----John De WELLES, Lord Welles
|                                   |        |        |         \-----Margaret BARDOLPH
|                                   |         \-----Anne WELLES
|                                   |                 |         /-----William De ROS, Lord Ros Of Helmsley
|                                   |                  \-----Maud De ROS
|                                   |                           \-----Margery De BADLESMERE
|                           /-----Sir Edmund BUTLER
|                          |        |         /-----Gildas O'REILLY
|                          |         \-----Catherine O'REILLY
|                  /-----Sir James BUTLER
|                 |        |                  /-----Teige O'CARROLL
|                 |        |         /-----Melroona O'CARROLL
|                 |        |        |        |                  /-----James BUTLER, Earl Of Ormond
|                 |        |        |        |         /-----James BUTLER, Earl Of Ormond
|                 |        |        |        |        |         \-----Eleanor De BOHUN
|                 |        |        |         \-----Joan BUTLER
|                 |        |        |                 |         /-----Sir John DARCY, Lord Darcy
|                 |        |        |                  \-----Elizabeth DARCY
|                 |        |        |                           \-----Joan De BURGH
|                 |         \-----Shile O'CARROLL
|                 |                  \-----Bibiana O'DEMPSEY
|         /-----Sir Piers BUTLER, Earl Of Ormond
|        |        |         /-----Donald Reagh MacMorrogh KAVANAGH
|        |         \-----Sabine KAVANAGH
 \-----Ellen BUTLER
         |                                                      /-----Thomas FITZ JOHN FITZ GERALD, Earl Of Kildare
         |                                             /-----Maurice FITZ THOMAS FITZ GERALD, Earl Of Kildare
         |                                            |         \-----Joan De BURGH
         |                                    /-----John FITZ GERALD, Earl Of Kildare
         |                                   |        |         /-----Sir Bartholomew De BURGHERSH, Lord Burghersh
         |                                   |         \-----Elizabeth De BURGHERSH
         |                                   |                  \-----Elizabeth De VERDUN
         |                           /-----John Cam FITZ GERALD
         |                          |         \-----Margaret De La HERNE
         |                  /-----Thomas FITZ GERALD, Earl Of Kildare
         |         /-----Gerald FITZGERALD, K.G., Earl Of Kildare
         |        |        |                                    /-----Thomas FITZ MORICE
         |        |        |                           /-----Morice FITZ THOMAS, Earl Of Desmond
         |        |        |                          |         \-----Margaret BERKELEY
         |        |        |                  /-----Gerald Fitz Morice, Earl Of Desmond
         |        |        |                 |        |         /-----Nicholas FITZ MAURICE, Lord Kerry
         |        |        |                 |         \-----Aveline Fitz Nicholas
         |        |        |                 |                  \-----Slany O'BRIEN
         |        |        |         /-----James FITZ GERALD, Earl Of Desmond
         |        |        |        |        |                  /-----James BUTLER, Earl Of Ormond
         |        |        |        |        |         /-----James BUTLER, Earl Of Ormond
         |        |        |        |        |        |         \-----Eleanor De BOHUN
         |        |        |        |         \-----Alianore Le BOTILLER
         |        |        |        |                 |         /-----Sir John DARCY, Lord Darcy
         |        |        |        |                  \-----Elizabeth DARCY
         |        |        |        |                           \-----Joan De BURGH
         |        |         \-----Joan FITZ GERALD
         |        |                 |         /-----Ulick Mac RICHARD BURK
         |        |                  \-----Mary Mac RICHARD BURK
          \-----Margaret FITZGERALD
                  |                  /-----Sir Edward FITZEUSTACE
                  |         /-----Rowland FITZEUSTACE, Baron Portlester
                   \-----Alison FITZEUSTACE
                            \-----Jenet BELLEW



Descendants of Margaret O'BRIEN
1. Margaret O'BRIEN m. Dermond O'BRIEN, Lord Inchiquin
m. Dermond O'BRIEN, Lord Inchiquin father: Murrough O'BRIEN, Prince of Thomond, Earl of Tho mother: Eleanor FITZGERALD

2nd generation

2. Murrough O'BRIEN, Lord Inchiquin m. Margaret CUSACK
m. Margaret CUSACK father: Sir Thomas CUSACK mother: Maud DARCY

3rd generation

3. Murrough O'BRIEN, Lord Inchiquin m. Mabel NUGENT
m. Mabel NUGENT father: Christopher NUGENT, Lord Delvin mother: Mary FITZGERALD

4th generation

4. Dermond O'BRIEN, Lord Inchiquin m. Ellen FITZGERALD
m. Ellen FITZGERALD father: Sir Edmond Fitz-Edmund FITZGERALD mother: Honora FITZGERALD

5th generation

5. MURROUGH O'BRIEN, Earl of Inchiquin m. Elizabeth St LEGER
m. Elizabeth St LEGER father: Sir William St LEGER mother: Gertrude De VRIES