YourRoots by Genomelink
banner

Sign up to explore more

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

John Jacob McMahon 1914–1998 – Genealogical Records

Birth Date: 18 Dec 1914

Birth Location: Bryn Mawr, Allegheny, Pennsylvania, USA

Death Date: 12 Jul 1998

Death Location: New Providence NJ

Father: John McMahon

Mother: Sarah Welsh

Spouse(s):

Children(s):

The story of John Jacob McMahon began in 1914 in Bryn Mawr, Allegheny, Pennsylvania, USA. In 1930, John Jacob McMahon resided in Lower Merion, Lower Merion, Montgomery, Pennsylvan. In 1935, John Jacob McMahon resided in Lower Merion, Montgomery, Pennsylvania. John Jacob McMahon passed away in 1998 in New Providence NJ.

Find more search results for John McMahon
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:
A
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

  • The story of John Jacob McMahon began in 1914 in Bryn Mawr, Allegheny, Pennsylvania, USA.
  • In 1930, John Jacob McMahon resided in Lower Merion, Lower Merion, Montgomery, Pennsylvan.
  • In 1935, John Jacob McMahon resided in Lower Merion, Montgomery, Pennsylvania.
  • John Jacob McMahon passed away in 1998 in New Providence NJ.

Immediate Family

Parents

Spouses(s)

Children(s)

John McMahon's Ancestors

Self
John McMahon
1914–1998
Birth Place: Bryn Mawr, Allegheny, Pennsylvania, USA
Parents
John Jacob McMahon
1884–1940
Northern Ireland
Sarah Welsh
1890–1956
Northern Ireland
Grandparents
Great-Grandparents
2nd-Great-Grandparents

John McMahon's Timeline

5 Records

1914
18 Dec 1914
Birth of John Jacob McMahon in Bryn Mawr, Allegheny, Pennsylvania, USA
Bryn Mawr, Allegheny, Pennsylvania, USA
1930
1930
Age 16
John Jacob McMahon resided here in Lower Merion, Lower Merion, Montgomery, Pennsylvania, USA
Lower Merion, Lower Merion, Montgomery, Pennsylvania, USA
1935
1935
Age 21
John Jacob McMahon resided here in Lower Merion, Montgomery, Pennsylvania
Lower Merion, Montgomery, Pennsylvania
1940
1940
Age 26
John Jacob McMahon resided here in Lower Merion Twp, Lower Merion, Montgomery, Pennsylvania, USA
Lower Merion Twp, Lower Merion, Montgomery, Pennsylvania, USA
1998
12 Jul 1998
Age 84
Death of John Jacob McMahon in New Providence NJ
New Providence NJ

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 18 Dec 1914
    Event Place: Bryn Mawr, Allegheny, Pennsylvania, USA

    Genealogy Event 2
    Event Type: Residence
    Event Date: 1930
    Event Place: Lower Merion, Lower Merion, Montgomery, Pennsylvania, USA
    Record Source: 1930 United States Federal Census

    Genealogy Event 3
    Event Type: Residence
    Event Date: 1935
    Event Place: Lower Merion, Montgomery, Pennsylvania
    Record Source: 1940 United States Federal Census

    Genealogy Event 4
    Event Type: Residence
    Event Date: 1940
    Event Place: Lower Merion Twp, Lower Merion, Montgomery, Pennsylvania, USA
    Record Source: 1940 United States Federal Census

    Genealogy Event 5
    Event Type: Death
    Event Date: 12 Jul 1998
    Event Place: New Providence NJ

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