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Margaret L. Duncan

Margaret L. Duncan[1, 2, 3]

Female 1914 - 2011  (97 years)

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  • Name Margaret L. Duncan  [1, 2, 3] 
    Born 16 Apr 1914  California, USA Find all individuals with events at this location  [2, 3] 
    • Married David Walter Chappuis
    Gender Female 
    Residence 2 Jan 1920  Oakland, Alameda, California, USA Find all individuals with events at this location  [3] 
    • Census: with parents, maternal grand-parents next door. Attending school
    Residence 1939  Oakland, Alameda, California, USA Find all individuals with events at this location  [1] 
    • Mills College
    Died 25 May 2011  [2] 
    Person ID I412307898657  Sheldon Family Genealogy
    Last Modified 4 Apr 2025 

    Father Robert Forbes Duncan, Jr,   b. 30 Dec 1881, Oakland, Alameda, California, USA Find all individuals with events at this location,   d. 10 Sep 1962, Oakland, Alameda, California, USA Find all individuals with events at this location  (Age 80 years) 
    Mother Ida M. Sheldon,   b. 28 Dec 1882, California, USA Find all individuals with events at this location,   d. 25 March 1959, Oakland, Alameda, California, USA Find all individuals with events at this location  (Age 76 years) 
    Married 17 Dec 1907  Alameda County, California, USA Find all individuals with events at this location  [4] 
    Family ID F49  Group Sheet  |  Family Chart

  • Event Map
    Link to Google MapsBorn - 16 Apr 1914 - California, USA Link to Google Earth
    Link to Google MapsResidence - 2 Jan 1920 - Oakland, Alameda, California, USA Link to Google Earth
    Link to Google MapsResidence - 1939 - Oakland, Alameda, California, USA Link to Google Earth
     = Link to Google Earth 

  • Sources 
    1. [S1611415922] U.S., School Yearbooks, 1900-1999, Ancestry.com, (Ancestry.com Operations, Inc.), "U.S., School Yearbooks, 1880-2012"; School Name: Mills College; Year: 1939.

    2. [S1611415546] U.S., Social Security Death Index, 1935-2014, Ancestry.com, (Ancestry.com Operations Inc), Social Security Administration; Washington D.C., USA; Social Security Death Index, Master File.

    3. [S1609277346] 1920 United States Federal Census, Ancestry.com, (Ancestry.com Operations, Inc.), Year: 1920; Census Place: Oakland, Alameda, California; Roll: T625_87; Page: 1B; Enumeration District: 27.

    4. [S1611415192] California, U.S., Marriage Records from Select Counties, 1850-1941, Ancestry.com, (Ancestry.com Operations, Inc.).


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The Rev. Henry O. Sheldon is often considered the grandfather of Sheldon genealogy. While traveling as a preacher he met other Sheldons and wondered how they were all related. Eventually, he began collecting genealogies & piecing the various Sheldon branches together, first published in 1855 as the Sheldon Magazine.

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“Snowed some last night – roads wet and splashy – At half-past eleven A.M. started on a western tour – took an affectionate leave of my parents and brother and sister after receiving their advice & prayer for my preservation, — rode 25 miles – The day was wet & cold & stormy – Winds N.W.”

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