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

Jean Cecile McGrath 1918 – 1991 – Genealogical Records

Birth Date: 31 Jan 1918

Birth Location: Chicago, Cook County, IL

Death Date: 23 Apr 1991

Death Location: River Forest, Cook County, IL

Father: John McGrath

Mother: Cecelia O'Mahoney

Spouse(s): Frank O'Leary

Children(s): Frank O'Leary

In 1918, Jean Cecile McGrath entered the world in Chicago, Cook County, IL, born to John Joseph McGrath and Cecelia M. O'Mahoney. In 1930, Jean Cecile McGrath resided in Chicago, Cook, Illinois. In 1935, Jean Cecile McGrath resided in River Forest, IL. Jean Cecile McGrath married Frank O'Leary, and had children including Frank J O'Leary. Jean Cecile McGrath passed away in 1991 in River Forest, Cook County, IL.

Find more search results for Jean McGrath
JM

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:
B
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

  • In 1918, Jean Cecile McGrath entered the world in Chicago, Cook County, IL, born to John Joseph McGrath and Cecelia M. O'Mahoney.
  • In 1930, Jean Cecile McGrath resided in Chicago, Cook, Illinois.
  • In 1935, Jean Cecile McGrath resided in River Forest, IL.
  • Jean Cecile McGrath married Frank O'Leary, and had children including Frank J O'Leary.
  • Jean Cecile McGrath passed away in 1991 in River Forest, Cook County, IL.

Immediate Family

Parents

Spouses(s)

Children(s)

Jean McGrath's Ancestors

Self
Jean McGrath
1918 – 1991
Birth Place: Chicago, Cook County, IL
Parents
John Joseph McGrath
1883 – 1924
Chicago, IL
Cecelia (M.) O'Mahoney
1895 – 1972
Chicago, Cook County, IL
Grandparents
Michael (Lynch) McGrath
1853 – 1909
Shanavogha, Glendree Townland, Parish of Tulla, County Clare, Ireland
Winifred (Mary) O'Halloran
1859 – 1943
Rosslara Townland, County Clare, Ireland
Philip (O) Mahoney
1859 – 1917
Illinois
Minnie (J) Dwyer
1864 – 1945
Milwaukee, Wisc
Great-Grandparents
Matthew O'Halloran
1800 – 1878
Anne Brody
Timothy O'Mahoney
1818 – 1899
Catharine Sheil
1822 –
John Dwyer
Mary Dignan
2nd-Great-Grandparents

Jean McGrath's Descendants

1.
JM
Jean (Cecile) McGrath (31 Jan 1918 – 23 Apr 1991) m. Frank O'Leary (26 Nov 1903 – Jan 1975)
  1. 1. Frank (J) O'Leary (27 Aug 1953 – )

Jean McGrath's Timeline

6 Records

1918
31 Jan 1918
Birth of Jean Cecile McGrath in Chicago, Cook County, IL
Chicago, Cook County, IL
1930
1930
Age 12
Jean Cecile McGrath resided here in Chicago, Cook, Illinois
Chicago, Cook, Illinois
1935
1935-1993
Age 17
Jean Cecile McGrath resided here in River Forest, IL
River Forest, IL
1940
1 Apr 1940
Age 22
Jean Cecile McGrath resided here in Chicago, Cook, Illinois, United States
Chicago, Cook, Illinois, United States
1950
19 April 1950
Age 32
Jean Cecile McGrath was married in Cook, Illinois, United States
Cook, Illinois, United States
1991
23 Apr 1991
Age 73
Death of Jean Cecile McGrath in River Forest, Cook County, IL
River Forest, Cook County, IL

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 31 Jan 1918
    Event Place: Chicago, Cook County, IL
    Record Source:
    [1] Border Crossings: From Canada to U.S., 1895-1956
    [2] Cook County, Illinois Birth Index, 1916-1935
    [3] U.S. Public Records Index, Volume 2
    [4] 1940 United States Federal Census, Year: 1940; Census Place: Chicago, Cook, Illinois; Roll: T627_996; Page: 1A; Enumeration District: 103-2340.
    [5] Cook County, Illinois, Birth Certificates Index, 1871-1922
    [6] Social Security Death Index, Number: 337-18-6450; Issue State: Illinois; Issue Date: Before 1951
    [7] 1930 United States Federal Census, Year: 1930; Census Place: Chicago, Cook, Illinois; Roll: 471; Page: 12B; Enumeration District: 1300; Image: 671.0.
    [8] U.S., Social Security Applications and Claims Index, 1936-2007

    Genealogy Event 2
    Event Type: Marriage
    Event Date: 19 April 1950
    Event Place: Cook, Illinois, United States
    Record Source: Cook County, Illinois Marriage Index, 1930-1960

    Genealogy Event 3
    Event Type: Residence
    Event Date: 1930
    Event Place: Chicago, Cook, Illinois
    Record Source: 1930 United States Federal Census, Year: 1930; Census Place: Chicago, Cook, Illinois; Roll: 471; Page: 12B; Enumeration District: 1300; Image: 671.0.

    Genealogy Event 4
    Event Type: Residence
    Event Date: 1935-1993
    Event Place: River Forest, IL
    Record Source: U.S. Public Records Index, Volume 2

    Genealogy Event 5
    Event Type: Custom Event
    Event Date: 15 Aug 1935
    Event Place: Quebec
    Record Source: Border Crossings: From Canada to U.S., 1895-1956

    Genealogy Event 6
    Event Type: Residence
    Event Date: 1 Apr 1940
    Event Place: Chicago, Cook, Illinois, United States
    Record Source: 1940 United States Federal Census, Year: 1940; Census Place: Chicago, Cook, Illinois; Roll: T627_996; Page: 1A; Enumeration District: 103-2340.

    Genealogy Event 7
    Event Type: Custom Event
    Event Place: Cherbourg, France
    Record Source: Border Crossings: From Canada to U.S., 1895-1956

    Genealogy Event 8
    Event Type: Death
    Event Date: 23 Apr 1991
    Event Place: River Forest, Cook County, IL
    Record Source:
    [1] Social Security Death Index, Number: 337-18-6450; Issue State: Illinois; Issue Date: Before 1951
    [2] Chicago Tribune, Obituary Index, 1988-1997
    [3] U.S., Social Security Applications and Claims Index, 1936-2007

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