April 2‚ 2026
Genealogy – Family Trees – Research
Mary Hennessy

Mary Hennessy

Female Abt 1856 - Bef 1900  (< 43 years)


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  • Name Mary Hennessy 
    Birth Abt 1856  New York Find all individuals with events at this location 
    Gender Female 
    Census 1880  Brokenstraw, Warren County, Pennsylvania Find all individuals with events at this location  [1
    Death Bef 1900 
    Person ID I67423  Family
    Last Modified 16 Mar 2020 

    Family James McMahon,   b. 20 Sep 1849, Ireland Find all individuals with events at this locationd. 13 Jan 1935, Cincinnati, Hamilton County, Ohio Find all individuals with events at this location (Age 85 years) 
    Marriage 1872 
    Age at Marriage She was ~ 16 years old - He was ~ 22 years old. 
    Children 
    1. Sarah McMahon,   b. 21 Sep 1873, Delaware County, Pennsylvania Find all individuals with events at this locationd. 8 Jan 1955, Portsmouth, Scioto County, Ohio Find all individuals with events at this location (Age 81 years)
     2. James McMahon,   b. 27 Aug 1875, Warren County, Pennsylvania Find all individuals with events at this locationd. 19 Feb 1944, Portsmouth, Scioto County, Ohio Find all individuals with events at this location (Age 68 years)
     3. Hannah McMahon,   b. Abt 1877, Warren County, Pennsylvania Find all individuals with events at this locationd. Yes, date unknown
    +4. Mary Elizabeth McMahon,   b. Sep 1883, Indiana Find all individuals with events at this locationd. 19 May 1971, Portsmouth, Scioto County, Ohio Find all individuals with events at this location (Age 87 years)
    +5. Merceda M. McMahon,   b. 23 Sep 1886, Kansas Find all individuals with events at this locationd. 17 Aug 1976, Portsmouth, Scioto County, Ohio Find all individuals with events at this location (Age 89 years)
    Family ID F19048  Group Sheet  |  Family Chart

  • Sources 
    1. [S1885] Census - 1880 Warren County Pennsylvania, District 264, page 62 (33C), family 316, age 23.

  • Event Map
    Link to Google MapsBirth - Abt 1856 - New York
    Link to Google MapsCensus - 1880 - Brokenstraw, Warren County, Pennsylvania
    Pin Legend  : Address       : Location       : City/Town       : District/Township       : County/Shire       : State/Province       : Country       : Not Set