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

    Person Info
  • Name: Con O'NEILL
  • Sex: M
  • Death: 1493 d


    • Parents:

Family:
Marriage: Children:
  1. Con Baccach O'NEILL, Earl of Tyrone Birth: Abt 1484 Death: Before 16 Jul 1559

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].*].
  2. 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].*].
  3. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 12-2, Tracton-Zz. London: St Catherine Press, 1959. 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/2 [Ap][p0-9].*].

Sources for death Information
date:
[Ref: CP XII/2 p129]
Sources with Information about marriage to Eleanor FITZ GERALD
date:
shortly before 1480 [Ref: CP XII/1 p8(e)],
names:
[Ref: CP VII p229(n)],
child:
[Ref: CP XII/2 p129]
Research Notes:
Chief of Tyrone [Ref: CP XII/2 p129]



Pedigree of Con O'NEILL
Con O'NEILL



Descendants of Con O'NEILL
1. Con O'NEILL m. Eleanor FITZ GERALD
m. Eleanor FITZ GERALD father: Thomas FITZ GERALD, Earl Of Kildare mother: Joan FITZ GERALD

2nd generation

2. Con Baccach O'NEILL, Earl of Tyrone m1. Alison KELLY m2. Alice FITZGERALD m3. Mary O'NEILL m4. Mary MACDONNEL
m. Alison KELLY
m. Alice FITZGERALD father: Gerald FITZGERALD, K.G., Earl Of Kildare mother: Alison FITZEUSTACE
m. Mary O'NEILL father: Hugh Boy O'NEILL
m. Mary MACDONNEL father: Alexander Macrandal Boy MACDONNEL

3rd generation

3. Matthew O'NEILL m. Joan MAGUIRE
m. Joan MAGUIRE father: Constantine MAGUIRE
4. Mary O'NEILL m. Sorley Buoy MACDONNEL
m. Sorley Buoy MACDONNEL

4th generation

6. Hugh O'NEILL, Earl of Tyrone m. Joanna O'DONNELL
m. Joanna O'DONNELL father: Sir Hugh O'DONNELL
7. Randal MacSorley MacDONNELL, Earl of Antrim m. Alice O'NEILL
m. Alice O'NEILL father: Hugh O'NEILL, Earl of Tyrone mother: Joanna O'DONNELL

5th generation

8. Alice O'NEILL m. Randal MacSorley MacDONNELL, Earl of Antrim
m. Randal MacSorley MacDONNELL, Earl of Antrim father: Sorley Buoy MACDONNEL mother: Mary O'NEILL
9. Mary MacDONNELL m1. Lucas DILLON, Viscount Dillon m2. Oliver PLUNKETT, Lord Louth
m. Lucas DILLON, Viscount Dillon father: Sir Christopher DILLON mother: Jane DILLON
m. Oliver PLUNKETT, Lord Louth father: Matthew PLUNKETT, Lord Louth mother: Mary FITZWILLIAM
10. Ann MACDONNELL m1. Christopher NUGENT m2. William FLEMING, Lord Slane
m. Christopher NUGENT father: Richard NUGENT, Earl of Westmeath mother: Jane PLUNKETT
m. William FLEMING, Lord Slane father: Christopher FLEMING, Lord Slane mother: Elinor BARNEWALL