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Eugene Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Eugene Thompson across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.

Age 10 b. ~1930 Male Son Born: Illinois Single

1940 Census Record Details

Census Year1940
LocationCook-County, Illinois
SurnameThompson
Given NameEugene
Relationship to HeadSon
SexM
Color / RaceWhite
Age10
Marital StatusSingle
BirthplaceIllinois
1935 Residence (City)Chicago City
1935 Residence (County)Cook
Additional Details
Highest Grade3
1935 ResidenceSame House
Birth StateIllinois
Birth CountryUnited States
Birthplace (normalized)illinois
Township / WardChicago City
Est. Birth Year~1930

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

8 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Eugene Age Birth yr
Vernon Thompson Son — 21 ~1919
Lawrence Thompson Head — 50 ~1890
Lawrence Thompson Son — 11 ~1929
Norman Thompson Son — 23 ~1917
Eugene Thompson Son — 10 ~1930
Mamie Thompson Spouse — 40 ~1900
Richard Thompson Son — 8 ~1932
Dorothy Thompson Daughter — 19 ~1921

Census Appearances

1930
Cook, Illinois
Son, age
Cook, Illinois · implied b. ~1930 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname THOMPSON
Given Name EUGENE
Relationship to Head Son
Sex M
Color / Race White
Age 0
Marital Status Single
Birthplace Illinois
Father's Birthplace Illinois
Mother's Birthplace Illinois
Birth State Illinois
Birth Country United States
Birthplace (normalized) illinois
1940
Cook-County, Illinois
Son, age 10
Cook-County, Illinois · implied b. ~1930 — 8 household members
Surname Thompson
Given Name Eugene
Relationship to Head Son
Sex M
Color / Race White
Age 10
Marital Status Single
Birthplace Illinois
1935 Residence (City) Chicago City
1935 Residence (County) Cook
Highest Grade 3
1935 Residence Same House
Birth State Illinois
Birth Country United States
Birthplace (normalized) illinois

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links Eugene Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Eugene Thompson
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Lawrence Thompson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Thompson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thompson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Thompson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Cook-County, Illinois Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-00942-00795)

Line Name Age Relation Occupation Birthplace
41 George W. Baird 62 Head Lead Burner Illinois
42 Hannah Baird 62 Wife — Scotland
43 Ethel I. Baird 21 Daughter General Yard Laborer Illinois
44 Cinderella Williamson 37 Daughter Maid Illinois
45 Lois M. Williamson 18 Granddaughter — Illinois
46 Harry Benning 44 Head General Yard Laborer Iowa
47 Mildred Benning 36 Wife — Illinois
48 Harry Jr. Benning 15 Son — Illinois
49 Richard L. Benning 11 Son — Illinois
50 Thomas M. Benning 9 Son — Illinois
51 Lawrence C. Thompson 50 Head Chemical Mixer Missouri
52 Mamie Thompson 40 Wife — Illinois
53 Norman Thompson 23 Son General Yard Laborer Illinois
54 Vernon Thompson 21 Son General Yard Laborer Illinois
55 Dorothy Thompson 19 Daughter House Work Illinois
56 Lawrence Jr. Thompson 11 Son — Illinois
57 Eugene Thompson THIS PERSON 10 Son — Illinois
58 Richard Thompson 8 Son — Illinois
59 Thomas Andrews 42 Head Assistant Foreman Sulfuric Acid Indiana
60 Frances Andrews 35 Wife — Illinois
61 Arthur Andrews 10 Son — Indiana
62 Nellie Andrews 66 Mother — Eire
63 Gus A. Enostrom 71 Head — Sweden
64 Anna Enostrom 75 Wife — Sweden
65 Eugene Enostrom 41 Son Car-Loader Illinois
66 Bernard Flynn 36 Head Assistant Office Clerk Illinois
67 Cecelia Flynn 34 Wife — Illinois
68 Bernard Jr. Flynn 9 Son — Illinois
69 Patricia Flynn 7 Daughter — Illinois
70 Robert Flynn 2 Son — Illinois
71 Bocco Sypca 40 Head Acid Mixer Illinois
72 Mae Sypca 35 Wife — Illinois
73 William Sypca 16 Son — Illinois
74 Betty M. Sypca 13 Daughter — Illinois
75 Junior Bocco Sypca 2 Son — Indiana
76 Henry Baur 55 Head Foreman-Acid Department Ohio
77 Elizabeth Baur 45 Wife — Eire
78 John Karnig 56 Head General Yard Laborer Poland
79 Caroline Karnig 56 Wife — Poland

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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