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John Thomas McMahon

Male 1935 - 1992  (57 years)

Personal Information    |    Sources    |    Event Map    |    All    |    PDF

  • Name John Thomas McMahon  [1, 2, 3] 
    Birth 1935  St Marys, Elk, Pennsylvania, USA Find all individuals with events at this location  [2, 3] 
    Gender Male 
    Family Search ID LWJB-1VV 
    Residence 1940  St Marys, Elk, Pennsylvania, USA Find all individuals with events at this location  [2] 
    Residence 1950  Du Bois, Clearfield, Pennsylvania, USA Find all individuals with events at this location  [3] 
    Death 1992  Thomas County, Georgia, USA Find all individuals with events at this location 
    Person ID I12075  MontyHistNotes_2014 | JMMM_daughter Agnes Nancy Montgomery
    Last Modified 8 Oct 2025 

    Father Edward Kenneth McMahon,   b. 10 Jul 1903, Du Bois, Clearfield, Pennsylvania, USA Find all individuals with events at this locationd. Jun 1989, Du Bois, Clearfield, Pennsylvania, USA Find all individuals with events at this location (Age 85 years) 
    Relationship natural 
    Mother Marcia Montgomery,   b. 15 Feb 1903, Du Bois, Clearfield, Pennsylvania, USA Find all individuals with events at this locationd. 1 Dec 1987, Du Bois, Clearfield, Pennsylvania, USA Find all individuals with events at this location (Age 84 years) 
    Relationship natural 
    Marriage 15 May 1929  Du Bois, Clearfield, Pennsylvania, USA Find all individuals with events at this location 
    • St Catherines Catholic Church
    Family ID F3506  Group Sheet  |  Family Chart

  • Event Map
    Link to Google MapsBirth - 1935 - St Marys, Elk, Pennsylvania, USA Link to Google Earth
    Link to Google MapsResidence - 1940 - St Marys, Elk, Pennsylvania, USA Link to Google Earth
    Link to Google MapsResidence - 1950 - Du Bois, Clearfield, Pennsylvania, USA Link to Google Earth
    Link to Google MapsDeath - 1992 - Thomas County, Georgia, USA Link to Google Earth
     = Link to Google Earth 
    Pin Legend  : Address       : Location       : City/Town       : County/Shire       : State/Province       : Country       : Not Set

  • Sources 
    1. [S1604] Cousin Count, 6th Cousins.

    2. [S4202] Ancestry.com, 1940 United States Federal Census, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2012;), Year: 1940; Census Place: St Marys, Elk, Pennsylvania; Roll: m-t0627-03499; Page: 20B; Enumeration District: 24-25.
      Record for Kenneth McMahon
      https://search.ancestry.com/cgi-bin/sse.dll?db=2442&h=22727271&indiv=try

    3. [S4505] Ancestry.com, 1950 United States Federal Census, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2022;), National Archives at Washington, DC; Washington, D.C.; Seventeenth Census of the United States, 1950; Year: 1950; Census Place: Dubois, Clearfield, Pennsylvania; Roll: 397; Page: 3; Enumeration District: 17-72.
      Record for Edward K McMahon
      https://search.ancestry.com/cgi-bin/sse.dll?db=62308&h=244638537&indiv=try



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