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. Donough O'BRIEN, Earl Of Thomond Death: 1 Apr 1553

Bibliography
  1. 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].*].

Sources for birth and parent Information
date:
first son [Ref: CP XII/1 p702],
parents:
[Ref: CP XII/1 p702]
Sources for death Information
date:
[Ref: CP XII/1 p702]
Sources with Information about marriage to Annabell De BURGH
child:
[Ref: CP XII/1 p703]
Research Notes:



Pedigree of Conor O'BRIEN
                                                                /-----Teige Cael-Uisce O'Brien
                                                       /-----Turlough King Of Thomond
                                              /-----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



Descendants of Conor O'BRIEN
1. Conor O'BRIEN m. Annabell De BURGH
m. Annabell De BURGH father: Ulick De BURGH

2nd generation

2. Donough O'BRIEN, Earl Of Thomond m. Ellen BUTLER
m. Ellen BUTLER father: Sir Piers BUTLER, Earl Of Ormond mother: Margaret FITZGERALD

3rd generation

3. Margaret O'BRIEN m. Richard BOURKE, Earl of Clanricarde
m. Richard BOURKE, Earl of Clanricarde father: Ulick BOURKE, Earl of Clanricarde mother: Grace O'CARROLL
4. 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
5. Conor O'BRIEN, Earl Of Thomond m1. Ownye m2. Eveleen MACCARTHY
m. Ownye father: Turlogh MAC-T-BRIEN-ARA
m. Eveleen MACCARTHY father: Donald MACCARTHY

4th generation

7. Murrough O'BRIEN, Lord Inchiquin m. Margaret CUSACK
m. Margaret CUSACK father: Sir Thomas CUSACK mother: Maud DARCY
8. Donough O'BRIEN, Earl Of Thomond m1. Helen ROCHE m2. Elizabeth FITZGERALD
m. Helen ROCHE father: Maurice ROCHE, Viscount Fermoy mother: Eleanor FITZ GERALD
m. Elizabeth FITZGERALD father: Gerald FITZGERALD, Earl Of Kildare mother: Mable BROWNE

5th generation

10. Murrough O'BRIEN, Lord Inchiquin m. Mabel NUGENT
m. Mabel NUGENT father: Christopher NUGENT, Lord Delvin mother: Mary FITZGERALD
11. Margaret O'BRIEN m. Cormac Oge MacCARTY, Viscount Muskerry
m. Cormac Oge MacCARTY, Viscount Muskerry
12. Henry O'BRIEN, Earl Of Thomond m. Mary BRERETON
m. Mary BRERETON father: William BRERETON, Lord Brereton mother: Margaret SAVAGE
13. Barnabas O'BRIEN, Earl Of Thomond m. Mary FERMOR
m. Mary FERMOR father: Sir George FERMOR mother: Mary CURSON