Alvin Otto Hahn

1919 - 1990  (71 years)

• Name	Alvin Otto Hahn  [1, 2]
  Birth	4 Mar 1919	Chicago, Cook, Illinois, USA   [1, 2]
  Gender	Male
  FamilySearch ID	L2F1-V4F
  Residence	1940	Neillsville, Clark, Wisconsin, USA   [1]
  Death	16 Dec 1990
  Person ID	I90728	Clan Montgomery Society | John Montgomery and Annie Miller
  Last Modified	2 Jul 2026

  
  

  Family	Geraldine D Montgomery,   b. 9 Jun 1922, Marshfield, Fond du Lac, Wisconsin, USA d. 15 Jun 2004 (Age 82 years)
  Marriage	16 Mar 1940	Decorah, Winneshiek, Iowa, USA   [2]
  Family ID	F61100	Group Sheet  |  Family Chart
  Last Modified	2 Jul 2026

  
  

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  Birth - 4 Mar 1919 - Chicago, Cook, Illinois, USA Residence - 1940 - Neillsville, Clark, Wisconsin, USA  = Link to Google Earth

  
  

• Sources

  [S2780] Ancestry.com, 1940 United States Federal Census, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations, Inc., 2012.Original data - United States of America, Bureau of the Census. Sixteenth Census of the United States, 1940. Washington, D.C.: National Archives and Records Administration, 1940. T627;), Year: 1940; Census Place: Neillsville, Clark, Wisconsin; Roll: m-t0627-04465; Page: 22A; Enumeration District: 10-29. Record for Roy M Montgomery https://search.ancestry.com/cgi-bin/sse.dll?db=2442&h=75842237&indiv=try [S2784] Ancestry.com, Iowa, Marriage Records, 1923-1937, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2014;), Iowa Department of Public Health; Des Moines, Iowa; Iowa Marriage Records, 1923–1937; Record Type: Marriage. Record for Geraldine Montgomery https://search.ancestry.com/cgi-bin/sse.dll?db=8823&h=904197106&indiv=try