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

Mary Bridget Callahan 1872 – 1949 – Genealogical Records

Birth Date: 03 Jan 1872

Birth Location: Chicago, Cook Co., Illinois

Death Date: 21 Dec 1949

Death Location: Chicago Cook Illinois USA

Father: John O'Callaghan

Mother: Johanna Fitzgerald

Spouse(s): Michael O'Leary

Children(s): Katherine O'Leary, Helen O'Leary, Frank O'Leary

In 1872, Mary Bridget Callahan entered the world in Chicago, Cook Co., Illinois, born to John O'Callaghan and Johanna Fitzgerald. In 1880, Mary Bridget Callahan resided in Chicago, Cook, Illinois, United States. Mary Bridget Callahan married Michael J. O'Leary, and had children including Katherine O'Leary, Helen J O'Leary, Frank O'Leary. Mary Bridget Callahan passed away in 1949 in Chicago Cook Illinois USA.

Find more search results for Mary Callahan
MC

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 1872, Mary Bridget Callahan entered the world in Chicago, Cook Co., Illinois, born to John O'Callaghan and Johanna Fitzgerald.
  • In 1880, Mary Bridget Callahan resided in Chicago, Cook, Illinois, United States.
  • Mary Bridget Callahan married Michael J. O'Leary, and had children including Katherine O'Leary, Helen J O'Leary, Frank O'Leary.
  • Mary Bridget Callahan passed away in 1949 in Chicago Cook Illinois USA.

Immediate Family

Parents

John O'Callaghan
1844 – 1899
Birth Location: County Kerry, Ireland
JO
Johanna Fitzgerald
1843 – 1920
Birth Location: Castleisland, Scartaglen, County Kerry, Ireland
JF

Spouses(s)

Michael O'Leary
1862 – 1940
Birth Location: Chicago, Cook, Ill
MO

Children(s)

Katherine O'Leary
1898 – 1983
Birth Location: Illinois
KO
Helen O'Leary
1901 – 1990
Birth Location: Illinois
HO
Frank O'Leary
1903 – 1975
Birth Location: Illinois
FO

Mary Callahan's Ancestors

Self
Mary Callahan
1872 – 1949
Birth Place: Chicago, Cook Co., Illinois
Parents
John O'Callaghan
1844 – 1899
County Kerry, Ireland
Johanna Fitzgerald
1843 – 1920
Castleisland, Scartaglen, County Kerry, Ireland
Grandparents
Jeremiah O'Callaghan
Ireland
Julia Brosnan
Nicholas Fitzgerald
1807 – 1870
Farranfore, Kerry, Ireland
Honora Brosnan
1819 – 1876
Castleisland, County Kerry, Ireland
Great-Grandparents
? Fitzgerald
unknown unknown
John Brosnan
Mary Fleming
2nd-Great-Grandparents

Mary Callahan's Descendants

1.
MC
Mary (Bridget) Callahan (03 Jan 1872 – 21 Dec 1949) m. Michael (J.) O'Leary (10 Nov 1862 – 23 Oct 1940)
  1. 1. Katherine O'Leary (23 Oct 1898 – 17 Mar 1983)
  2. 2. Helen (J) O'Leary (29 Dec 1901 – 23 Apr 1990)
  3. 3. Frank O'Leary (26 Nov 1903 – Jan 1975) m. Jean (Cecile) McGrath (31 Jan 1918 – 23 Apr 1991)
    1. 1. Frank (J) O'Leary (27 Aug 1953 – )

Mary Callahan's Timeline

9 Records

1872
03 Jan 1872
Birth of Mary Bridget Callahan in Chicago, Cook Co., Illinois
Chicago, Cook Co., Illinois
1872
Jan 1872
Mary Bridget Callahan was baptized in St. Columbkille Parish, Chicago, Cook, Illinois
St. Columbkille Parish, Chicago, Cook, Illinois
1880
1880
Age 8
Mary Bridget Callahan resided here in Chicago, Cook, Illinois, United States
Chicago, Cook, Illinois, United States
1900
1900
Age 28
Mary Bridget Callahan resided here in Chicago City, Cook, Illinois
Chicago City, Cook, Illinois
1910
1910
Age 38
Mary Bridget Callahan resided here in Chicago Ward 35, Cook, Illinois
Chicago Ward 35, Cook, Illinois
1920
1920
Age 48
Mary Bridget Callahan resided here in Chicago Ward 35, Cook (Chicago), Illinois
Chicago Ward 35, Cook (Chicago), Illinois
1930
1930
Age 58
Mary Bridget Callahan resided here in Chicago, Cook, Illinois
Chicago, Cook, Illinois
1940
1 Apr 1940
Age 68
Mary Bridget Callahan resided here in Chicago, Cook, Illinois, United States
Chicago, Cook, Illinois, United States
1949
21 Dec 1949
Age 77
Death of Mary Bridget Callahan in Chicago Cook Illinois USA
Chicago Cook Illinois USA

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 03 Jan 1872
    Event Place: Chicago, Cook Co., Illinois
    Record Source:
    [1] 1940 United States Federal Census, Year: 1940; Census Place: Chicago, Cook, Illinois; Roll: T627_996; Page: 3A; Enumeration District: 103-2344.
    [2] Cook County, Illinois, Birth Certificates Index, 1871-1922
    [3] 1920 United States Federal Census, Year: 1920; Census Place: Chicago Ward 35, Cook (Chicago), Illinois; Roll: T625_357; Page: 5B; Enumeration District: 2277; Image: .
    [4] 1930 United States Federal Census, Year: 1930; Census Place: Chicago, Cook, Illinois; Roll: 463; Page: 13A; Enumeration District: 1061; Image: 368.0.
    [5] 1880 United States Federal Census, Year: 1880; Census Place: Chicago, Cook, Illinois; Roll: 194; Family History Film: 1254194; Page: 428B; Enumeration District: 126; Image: 0600.
    [6] 1900 United States Federal Census, Year: 1900; Census Place: Chicago, Cook, Illinois; Roll: T623_291; Page: 4B; Enumeration District: 1137.
    [7] 1910 United States Federal Census, Year: 1910; Census Place: Chicago Ward 35, Cook, Illinois; Roll: ; Page: ; Enumeration District: ; Image: .

    Genealogy Event 2
    Event Type: Baptism
    Event Date: Jan 1872
    Event Place: St. Columbkille Parish, Chicago, Cook, Illinois

    Genealogy Event 3
    Event Type: Residence
    Event Date: 1880
    Event Place: Chicago, Cook, Illinois, United States
    Record Source: 1880 United States Federal Census, Year: 1880; Census Place: Chicago, Cook, Illinois; Roll: 194; Family History Film: 1254194; Page: 428B; Enumeration District: 126; Image: 0600.

    Genealogy Event 4
    Event Type: Residence
    Event Date: 1900
    Event Place: Chicago City, Cook, Illinois
    Record Source: 1900 United States Federal Census, Year: 1900; Census Place: Chicago, Cook, Illinois; Roll: T623_291; Page: 4B; Enumeration District: 1137.

    Genealogy Event 5
    Event Type: Residence
    Event Date: 1910
    Event Place: Chicago Ward 35, Cook, Illinois
    Record Source: 1910 United States Federal Census, Year: 1910; Census Place: Chicago Ward 35, Cook, Illinois; Roll: ; Page: ; Enumeration District: ; Image: .

    Genealogy Event 6
    Event Type: Residence
    Event Date: 1920
    Event Place: Chicago Ward 35, Cook (Chicago), Illinois
    Record Source: 1920 United States Federal Census, Year: 1920; Census Place: Chicago Ward 35, Cook (Chicago), Illinois; Roll: T625_357; Page: 5B; Enumeration District: 2277; Image: .

    Genealogy Event 7
    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: 463; Page: 13A; Enumeration District: 1061; Image: 368.0.

    Genealogy Event 8
    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: 3A; Enumeration District: 103-2344.

    Genealogy Event 9
    Event Type: Death
    Event Date: 21 Dec 1949
    Event Place: Chicago Cook Illinois USA
    Record Source: Cook County, Illinois Death Index, 1908-1988
Find more search results for Mary Callahan

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