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. Margaret O'BRIEN
  2. Margaret O'BRIEN Birth: 1
  3. Conor O'BRIEN, Earl Of Thomond Birth: Abt 1535 Death: Jan 1580/1

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 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].*].
  3. 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].*].
  4. Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States: who were themselves notable or left descendants notable in American history, with a 2008 Addendum, Coda, and Final Additions. Baltimore, MD: Gen Pub Co, 2008. NYPL APK 08-4216. Information from this source tagged as [Ref: Roberts RD600 p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: CP XII/1 p703]
Sources for death Information
date:
[Ref: CP XII/1 p703]
Sources with Information about marriage to Ellen BUTLER
date:
in or before 1533 [Ref: CP XII/1 p704],
child:
[Ref: CP III p229, CP VII p50, CP XII/1 p704, Roberts RD600 p324]
Research Notes:
2nd Earl of Thomond, of Earldom cr 1543 [Ref: CP XII/1 p703]
1st Earl of Thomond, of Earldom cr 1551 [Ref: CP XII/1 p703]
2nd Earl of Thomond [Ref: Roberts RD600 p324]

heir of his father [Ref: CP XII/1 p703]
heir of his uncle [Ref: CP XII/1 p703]



Pedigree of Donough O'BRIEN, Earl Of Thomond
                                                                /-----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
Donough O'BRIEN, Earl Of Thomond
|         /-----Ulick De BURGH
 \-----Annabell De BURGH



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

2nd generation

2. 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
3. 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
4. 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

3rd generation

6. Murrough O'BRIEN, Lord Inchiquin m. Margaret CUSACK
m. Margaret CUSACK father: Sir Thomas CUSACK mother: Maud DARCY
7. 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

4th generation

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

5th generation

13. Dermond O'BRIEN, Lord Inchiquin m. Ellen FITZGERALD
m. Ellen FITZGERALD father: Sir Edmond Fitz-Edmund FITZGERALD mother: Honora FITZGERALD
14. Donough MacCARTY, Earl of Clancarty m. Eleanor BUTLER
m. Eleanor BUTLER father: Thomas BUTLER, Viscount Thurles mother: Elizabeth POYNTZ
15. Elizabeth O'BRIEN m1. Dutton GERARD, Lord Gerard m2. Philip WENMAN, Viscount Wenman of Tuam
m. Dutton GERARD, Lord Gerard father: Gilbert GERARD, Lord Gerard mother: Eleanor DUTTON
m. Philip WENMAN, Viscount Wenman of Tuam father: Thomas WENMAN, Viscount Wenman of Tuam mother: Margaret HAMPDEN
18. Anne O'BRIEN m. Henry O'BRIEN, Earl Of Thomond
m. Henry O'BRIEN, Earl Of Thomond father: Barnabas O'BRIEN, Earl Of Thomond mother: Mary FERMOR
19. Penelope O'BRIEN m. Henry MORDAUNT, Earl of Peterborough
m. Henry MORDAUNT, Earl of Peterborough father: John MORDAUNT, Earl of Peterborough mother: Elizabeth HOWARD
20. 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