YourRoots Logo
Sign up free
banner

Sign up to explore more

Create a free account to navigate family trees, view ancestors, and discover connections.

Sign up free

Elizabeth Jean Nellie O'Brien 1870 – 1951 – Genealogical Records

Birth Date: 2 Oct 1870

Birth Location: Runnymede, Elmore, Victoria. Australia

Death Date: 10 Feb 1951

Death Location: Kalgoorlie, Western Australia, Australia

Father: Jeremiah Obrien

Mother: Susan Jack

Spouse(s): John McMahon

Children(s): John McMahon, Doris McMahon, Denis McMahon, Angela McMahon, Ethel McMahon

Elizabeth Jean Nellie O'Brien was born in 1870 in Runnymede, Elmore, Victoria. Australia, the child of Jeremiah Egan Obrien and Susan Farmer Jack. Elizabeth Jean Nellie O'Brien married John Thomas McMahon, and had children including John Murray O'Brien McMahon, Doris Mary McMahon, Denis McMahon, Angela Verona (Nancy) (Sister Mary Assumpta) McMahon, Ethel Constance (Connie) McMahon. Elizabeth Jean Nellie O'Brien passed away in 1951 in Kalgoorlie, Western Australia, Australia.

Find more search results for Elizabeth O'Brien
EO

Reliability Score

This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.

Reliability Score:
C
Criteria:
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
  • N/A 0 criteria (Insufficient)

This tree's reliability score:

  • Record available
  • Descendant's record available
  • Star tree owner

Biography

  • Elizabeth Jean Nellie O'Brien was born in 1870 in Runnymede, Elmore, Victoria. Australia, the child of Jeremiah Egan Obrien and Susan Farmer Jack.
  • Elizabeth Jean Nellie O'Brien married John Thomas McMahon, and had children including John Murray O'Brien McMahon, Doris Mary McMahon, Denis McMahon, Angela Verona (Nancy) (Sister Mary Assumpta) McMahon, Ethel Constance (Connie) McMahon.
  • Elizabeth Jean Nellie O'Brien passed away in 1951 in Kalgoorlie, Western Australia, Australia.

Immediate Family

Parents

Jeremiah Obrien
1840 – 1886
Birth Location: Shanegoltan, Limerick, Ireland
JO
Susan Jack
1843 – 1886
Birth Location: Gilmerton, Edinburgh, Scotland
SJ

Spouses(s)

John McMahon
1874 – 1950
Birth Location: Echuca, Victoria
JM

Children(s)

John McMahon
1903 – 1962
Birth Location: Castlemaine, Victoria, Australia
JM
Doris McMahon
1905 – 1983
Birth Location: Leederville Western Australia
DM
Denis McMahon
1907 – 1962
Birth Location: Kalgoorlie Western Australia
DM
Angela McMahon
1910 – 1983
Birth Location: Coolgardie, Western Australia, Australia
AM
Ethel McMahon
1912 – 1979
Birth Location: Kalgoorlie, Western Australia, Australia
EM

Elizabeth O'Brien's Ancestors

Self
Elizabeth O'Brien
1870 – 1951
Birth Place: Runnymede, Elmore, Victoria. Australia
Parents
Jeremiah Egan Obrien
1840 – 1886
Shanegoltan, Limerick, Ireland
Susan (Farmer) Jack
1843 – 1886
Gilmerton, Edinburgh, Scotland
Grandparents
Kennedy O'Brien
1800 – 1887
Shanagolden, County Limerick, Ireland
Elizabeth Egan
1823 – 1897
Limerick, Ireland
David Jack
1818 – 1865
Gilmerton, Libberton, Edinburgh, Midlothian, Scotland
Jane ((Jean)) Hutchinson
1821 – 1892
Edinburgh, Midlothian, Scotland
Great-Grandparents
2nd-Great-Grandparents

Elizabeth O'Brien's Descendants

1.
EO
Elizabeth (Jean Nellie) O'Brien (2 Oct 1870 – 10 Feb 1951) m. John (Thomas) McMahon (6 Nov 1874 – 16 February 1950)
  1. 1. John (Murray O'Brien) McMahon (16 Aug 1903 – 11 Jul 1962)
  2. 2. Doris (Mary) McMahon (28 Nov 1905 – 5 Nov 1983)
  3. 3. Denis McMahon (8 Aug 1907 – 13 Mar 1962) m. Eileen (Jane) Chambers (19 Apr 1911 – 13 Nov 1996)
    1. 1. Graham McMahon (12 Sep 1936 – 08 Dec 2021) m. Katherine (Avis) RALPH (13 JAN 1937 – )
      1. 1. Dana (Susan) McMahon (7 Jun 1961 – 23 Oct 1961)
      2. 2. Lyn Connor m. Paul Connor
      3. 3. McMahon
    2. 2. Denis (Kim) McMahon (12 Dec 1947 – 01/10/1990)
  4. 4. Angela (Verona (Nancy) (Sister Mary Assumpta)) McMahon (1910 – 6 April 1983)
  5. 5. Ethel (Constance (Connie)) McMahon (1912 – 20 Nov 1979)

Elizabeth O'Brien's Timeline

2 Records

1870
2 Oct 1870
Birth of Elizabeth Jean Nellie O'Brien in Runnymede, Elmore, Victoria. Australia
Runnymede, Elmore, Victoria. Australia
1951
10 Feb 1951
Age 81
Death of Elizabeth Jean Nellie O'Brien in Kalgoorlie, Western Australia, Australia
Kalgoorlie, Western Australia, Australia

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 2 Oct 1870
    Event Place: Runnymede, Elmore, Victoria. Australia

    Genealogy Event 2
    Event Type: Death
    Event Date: 10 Feb 1951
    Event Place: Kalgoorlie, Western Australia, Australia
Find more search results for Elizabeth O'Brien

About YourRoots

Family Tree Map

Explore your family tree geographically

Import your GEDCOM file to transform your family tree into an interactive global map. See your roots laid out visually and understand your true geographic heritage.

Powerful tools like “Trace Back To Me” instantly map your family’s migration paths from a chosen ancestor all the way back to you.

LEARN MORE
AI Genealogy Research

Discover ancestors beyond “end-of-line” automatically

Import your family tree and let AI expand it for you. AI Ancestor Finder scans “end-of-line” ancestors to uncover their parents across hundreds of family lines at once. AI Deep Research analyzes selected ancestors and family clusters, suggesting relevant records and next steps.

Turn on Auto Research Mode to get new discoveries daily or weekly, so your tree keeps growing even while you’re away.

LEARN MORE
DNA Match

Find more DNA matches across all DNA tests

Combine your DNA data with your family tree to unlock the full power of YourRoots DNA Match. Connect with relatives across major testing services — Ancestry, 23andMe, MyHeritage, and more.

View your matches’ maps and trees to identify shared ancestors, and soon you’ll be able to add them directly to your own tree and map.

LEARN MORE
Ancestry Reports

Ancestry DNA analysis that goes deeper than others

Unlock exclusive reports that reveal your deeper origins.

  • Deep Ancestry Report — Analyze 130+ ethnicities, sub-regions, and 1,800+ communities in one detailed view.
  • Global & Native American Reports — Developed with Stanford researchers to uncover hidden ancestries across all 22 chromosomes.
  • Ancient DNA Series — Compare your DNA with 1,000+ ancient genomes from Viking, Celtic, and early American civilizations.
LEARN MORE