Warren Harold Thon[1]
1922 - 1976 (53 years)
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Name Warren Harold Thon [2] Born 12 Aug 1922 Chicago, Cook County, Illinois, USA 
[2, 3, 4, 5, 6] Gender Male Census 1930 Chicago, Cook County, Illinois, USA [7] Residence 1935 Chicago, Cook County, Illinois, USA [5] - 2424 Lawndale
Census 1940 Chicago, Cook County, Illinois, USA [5] - 2424 Lawndale
Residence Jun 1942 Chicago, Cook County, Illinois, USA [2] - 2424 North Lawndale Avenue
Census 1950 Park Ridge, Cook County, Illinois, USA [6] Occupation Engineering consultant [8] Occupation Mechanical engineer [6] Research Notes SSDI gives erroneous birth year (1912 instead of 1922). [4] Died 22 Apr 1976 Chicago, Cook County, Illinois, USA [4, 8, 9] Person ID I575 Mohr-Whalen Last Modified 3 Sep 2022
Father Harold Edmond Thon
b. 4 Sep 1898, Chicago, Cook County, Illinois, USA
d. 20 Feb 1939, Chicago, Cook County, Illinois, USA (Age 40 years) Mother Lauretta K. Knuth
b. 4 Feb 1899, Chicago, Cook County, Illinois, USA
d. Apr 1969, Chicago, Cook County, Illinois, USA (Age 70 years) Family ID F419 Group Sheet | Family Chart
Family Elizabeth Alberts
b. 21 Apr 1925, Park Ridge, Cook County, Illinois, USA
d. 16 Jul 2012 (Age 87 years)Married 7 Oct 1950 Chicago, Cook County, Illinois, USA [10] Children 1. W.W. Thon 2. N.E. Thon Last Modified 21 Sep 2008 Family ID F425 Group Sheet | Family Chart
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Event Map 
Born - 12 Aug 1922 - Chicago, Cook County, Illinois, USA Census - 1930 - Chicago, Cook County, Illinois, USA Residence - 1935 - Chicago, Cook County, Illinois, USA Census - 1940 - Chicago, Cook County, Illinois, USA Residence - Jun 1942 - Chicago, Cook County, Illinois, USA 
Census - 1950 - Park Ridge, Cook County, Illinois, USA Married - 7 Oct 1950 - Chicago, Cook County, Illinois, USA Died - 22 Apr 1976 - Chicago, Cook County, Illinois, USA Pin Legend 
: Address
: Location
: City/Town
: County/Shire
: State/Province
: Country
: Not Set
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Notes - Co-founder and partner of A & T Engineering, Inc. [8]
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Sources - [S9] Research notes of Wendell C. Mohr.
- [S6693] WWII Draft Registration Card of Warren Harold Thon, Ancestry.com (National Archives & Records Administration).
- [S449] Cook County, Illinois Birth Index, 1916-1935, Ancestry.com (Cook County Clerk’s Office).
- [S6] U.S., Social Security Death Index.
- [S2747] 1940 US Census - Household of Laura A. Thon.
- [S7957] 1950 US Census - Household of Lauretta K. Thon.
- [S546] 1930 US Census - Household of Harold Thon.
- [S240] Obituary of Warren H. Thon.
- [S428] Cook County, Illinois Death Index, 1878-1907 and 1921-1988, Ancestry.com (Cook County Clerk’s Office).
- [S540] Cook County, Illinois Marriage Index, 1930-1960, Ancestry.com (Cook County Clerk’s Office).
- [S9] Research notes of Wendell C. Mohr.