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John Clifford — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this John Clifford across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.

Age 22 b. ~1918 Male Son Born: Illinois Single

1940 Census Record Details

Census Year1940
LocationCook-County, Illinois
SurnameClifford
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age22
Marital StatusSingle
BirthplaceIllinois
1935 Residence (City)Worth Twp
1935 Residence (County)Cook
Additional Details
OccupationPainter
IndustryHouse painter
Class of WorkerPW
Hours Worked40
Income (1939)650
Highest GradeH 1
1935 ResidenceSame place
Birth StateIllinois
Birth CountryUnited States
Birthplace (normalized)illinois
OccupationPainter
Township / WardWorth Twp
Est. Birth Year~1918

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 John Age Birth yr
James Clifford Son — 8 ~1932
John Clifford Son — 22 ~1918
George Clifford Son — 16 ~1924
William Clifford Son — 20 ~1920
Thomas Clifford Son — 23 ~1917
Thomas Clifford Head — 44 ~1896
Patrick Clifford Son — 10 ~1930
Marie Clifford Spouse — 45 ~1895

Census Appearances

1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Clifford
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 11
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 22
Cook-County, Illinois · implied b. ~1918 — 8 household members
Surname Clifford
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 22
Marital Status Single
Birthplace Illinois
1935 Residence (City) Worth Twp
1935 Residence (County) Cook
Occupation Painter
Industry House painter
Class of Worker PW
Hours Worked 40
Income (1939) 650
Highest Grade H 1
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 Clifford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Clifford
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
George Clifford
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Clifford
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clifford
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Clifford
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Clifford
Sibling · 1940 · age 8
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-t0627-00790-00283)

Line Name Age Relation Occupation Birthplace
1 Martin Patrick 25 Head Oiler Michigan
2 Mary Patrick 24 Wife — Illinois
3 Martin Patrick 2 Son — Illinois
4 Martin Patrick 62 Father-in-law Owner Illinois
5 Joan Patrick 6 Niece — Illinois
6 Thomas K Mawhiney 34 Head Machine Setter Canada English
7 Vera Mawhiney 34 Wife — Canada English
8 John Mawhiney 7 Son — Illinois
9 Isal Rogers 56 Head Method Engineer Kansas
10 Kleatta Rogers 54 Wife — Iowa
11 Conrad Erwin 39 Head State Officer Illinois
12 Zemat Erwin 39 Wife — Indiana
13 Paul Schultz 47 Head Billing Clerk Illinois
14 Vivian Schultz 15 Daughter — Illinois
15 Paul Schultz 10 Son — Illinois
16 Robert Stemm 56 Head Watchman Illinois
17 Helen Stemm 60 Wife — Germany
18 Andrew Wagner 24 Head Mechanic Illinois
19 Helen Wagner 24 Wife — Illinois
20 Robert Wagner 4 Son — Illinois
21 Raymond Wagner 2 Son — Illinois
22 Edward Colvin 54 Head Truckman Illinois
23 Florence Colvin 54 Wife — Wisconsin
24 Earl Colvin 4 Son — Illinois
25 Thomas Clifford 44 Head Broker Illinois
26 Marie Clifford 45 Wife — Illinois
27 Thomas Clifford 23 Son Baker Illinois
28 John Clifford THIS PERSON 22 Son Painter Illinois
29 William Clifford 20 Son Truck Driver Illinois
30 George Clifford 16 Son New Worker Illinois
31 Patrick Clifford 10 Son — Illinois
32 James Clifford 8 Son — Illinois
33 Alexander Blecker 33 Head Proprietor Illinois
34 Margaret Blecker 26 Wife Waitress Illinois
35 Alan Blecker 2 Son — Illinois
36 Joan Blecker 1 Daughter — Illinois
37 Louis Meyer 44 Head Pressman Illinois
38 Louise Meyer 35 Wife — Illinois
39 Lawrence Meyer 15 Son — Illinois
40 James Meyer 12 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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