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John Carney — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this John Carney across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 6-person household.

Age 25 b. ~1915 Male Son Born: Illinois Single

1940 Census Record Details

Census Year1940
LocationCook-County, Illinois
SurnameCarney
Given NameJohn Jr.
Relationship to HeadSon
SexM
Color / RaceWhite
Age25
Marital StatusSingle
BirthplaceIllinois
1935 Residence (City)Chicago city
1935 Residence (County)Cook
Additional Details
OccupationStock clerk
IndustryRetail store
Class of WorkerPW
Hours Worked44
Income (1939)828
Highest GradeHs 4
1935 ResidenceSame place
Birth StateIllinois
Birth CountryUnited States
Birthplace (normalized)illinois
OccupationStock Clerk
Township / WardChicago City
Est. Birth Year~1915

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.

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

Name Relation to head Relative to John Age Birth yr
John Carney Head — 53 ~1887
Mary Carney Daughter — 23 ~1917
Agnes Carney Daughter — 19 ~1921
James Carney Son — 19 ~1921
Cathryn Carney Spouse — 52 ~1888
John Carney Son — 25 ~1915

Census Appearances

1930
Cook, Illinois
Son, age 15
Cook, Illinois · implied b. ~1915 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Carney
Given Name John Jr
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Illinois
Father's Birthplace Illinois
Mother's Birthplace Illinois
Can Read/Write Yes
Birth State Illinois
Birth Country United States
Birthplace (normalized) illinois
1940
Cook-County, Illinois
Son, age 25
Cook-County, Illinois · implied b. ~1915 — 6 household members
Surname Carney
Given Name John Jr.
Relationship to Head Son
Sex M
Color / Race White
Age 25
Marital Status Single
Birthplace Illinois
1935 Residence (City) Chicago city
1935 Residence (County) Cook
Occupation Stock clerk
Industry Retail store
Class of Worker PW
Hours Worked 44
Income (1939) 828
Highest Grade Hs 4
1935 Residence Same place
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 John Carney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Carney
Son · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Agnes Carney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Carney
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Carney
Sibling · 1940 · age 19
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

40 people indexed on this census page (nara:1940:m-t0627-00975-00515)

Line Name Age Relation Occupation Birthplace
1 Henry Schroeder 47 Head Chauffeur Illinois
2 Frances Schroeder 42 Wife — Illinois
3 John O'Brien 73 Lodger — Wisconsin
4 Roscoe Groves 42 Head Taxicab Driver Illinois
5 Mary Groves 48 Wife Rooming House Illinois
6 Frank E. Coffey 63 Head Material Inspector New York
7 Florina Coffey 47 Wife — Kentucky
8 Erastus Lee Arnold 64 Head Casket Maker Minnesota
9 Marshall Worlds 27 Head Head Houseman Illinois
10 Eillen Worlds 27 Wife Laborer Michigan
11 Joan Worlds 5 Daughter — Illinois
12 John Worlds 75 Father — Indiana
13 John Carney 53 Head House Painter Richfield, Ohio
14 Cathryn Carney 52 Wife — Richfield, Ohio
15 John Jr. Carney THIS PERSON 25 Son Stock Clerk Illinois
16 Mary Carney 23 Daughter Filing Illinois
17 James Carney 19 Son New Worker Illinois
18 Agnes Carney 19 Daughter New Worker Illinois
19 William Katsirilas 68 Head Peddler Greece
20 Jane Katsirilas 58 Wife — Greece
21 Nicholas Argyris 51 Lodger Cook Greece
22 Zola Argyris 38 Sister-in-law Floor Lady Indiana
23 Yude Zerman 66 Head Manager Russia
24 Telia Zerman 66 Wife — Russia
25 Roy Wells 55 Head Hand Work Iowa
26 Emma Weber 70 Boarder — Michigan
27 Frank Nikola 52 Head Painter Illinois
28 Rachel Burkert 60 Head — Latvia
29 John Franklin 40 Head Hotel Clerk Wisconsin
30 John Feehan 59 Head — Illinois
31 Joseph Walsh 45 Head — Illinois
32 Ole Stegenson 53 Partner — Norway
33 William Poole 71 Head — Scotland
34 Van White 32 Head Clerk Poland
35 Marie Bedrazzini 59 Head Beauty Operator France
36 John Sheehan 55 Head Watchman Wisconsin
37 Left Open By Mistake None — — —
38 Joseph W. Beck 29 Head Manager Georgia
39 Dorothy Beck 32 Wife — Illinois
40 Eugene Beck 5 Son — Illinois

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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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