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Herbert Smith — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Herbert Smith across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Florence & Abraham — first a son (b.~1914), then head of a 2-person household.

Age 26 b. ~1914 Male Son Born: Illinois Single

1940 Census Record Details

Census Year1940
LocationCook-County, Illinois
SurnameSmith
Given NameHerbert
Relationship to HeadSon
SexM
Color / RaceWhite
Age26
Marital StatusSingle
BirthplaceIllinois
1935 Residence (City)Chicago City
1935 Residence (County)Cook
Additional Details
OccupationClerk
IndustryHardware
Class of WorkerPW
Hours Worked40
Income (1939)600
Highest GradeH-4
1935 ResidenceSame place
Birth StateIllinois
Birth CountryUnited States
Birthplace (normalized)illinois
OccupationClerk
Township / WardChicago City
Est. Birth Year~1914

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.

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

Name Relation to head Relative to Herbert Age Birth yr
Mabel Smith Head — 45 ~1895
Herbert Smith Son — 26 ~1914

Census Appearances

1920
Cook, Illinois
Son, age 6
Cook, Illinois · implied b. ~1914 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Herbert
Relationship to Head Son
Sex M
Color / Race White
Age 6
Marital Status Single
Birthplace Illinois
Father's Birthplace England
Mother's Birthplace England
Speaks English Yes
Birth State Illinois
Birth Country United States
Birthplace (normalized) illinois
1930
Cook, Illinois
Son, age 16
Cook, Illinois · implied b. ~1914 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Herbert
Relationship to Head Son
Sex M
Color / Race White
Age 16
Marital Status Single
Birthplace Illinois
Father's Birthplace England
Mother's Birthplace England
Occupation Messenger
Industry Printing House
Class of Worker W
Can Read/Write Yes
Birth State Illinois
Birth Country United States
Birthplace (normalized) illinois
1940
Cook-County, Illinois
Son, age 26
Cook-County, Illinois · implied b. ~1914 — 2 household members
Surname Smith
Given Name Herbert
Relationship to Head Son
Sex M
Color / Race White
Age 26
Marital Status Single
Birthplace Illinois
1935 Residence (City) Chicago City
1935 Residence (County) Cook
Occupation Clerk
Industry Hardware
Class of Worker PW
Hours Worked 40
Income (1939) 600
Highest Grade H-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.
Model Tree available
Our Model Tree links Herbert Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Florence Smith (~0.92 confidence) and father Abraham Smith (~0.92 confidence) and mother Mabel Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Mother
Florence Smith
b. ~1886
Source mother
● Household · direct · ~0.92
Father
Abraham Smith
b. ~1887
Source father
● Household · direct · ~0.92
Mother
Mabel Smith
b. ~1895
Source mother
● Household · direct · ~0.92
This person
Anchor record
Herbert Smith
Son · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
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

27 people indexed on this census page (nara:1940:m-t0627-00984-00370)

Line Name Age Relation Occupation Birthplace
1 Robert Stallan 43 Head Production Wisconsin
2 Alice Stallan 38 Wife Cost Clerk Illinois
3 Robert Stallan 2 Son — Illinois
4 Frank Lombardino 59 Head Laborer Italy
5 Mary Lombardino 51 Wife — Italy
6 Charles Lombardino 25 Son Order Clerk Illinois
7 Frances Lombardino 23 Daughter Packer Illinois
8 Josephine Lombardino 22 Daughter Dipper Illinois
9 Charles Belford 32 Son — Illinois
10 Ward Belford 10 Son — Missouri
11 Mabel Smith 45 Head — Illinois
12 Herbert Smith THIS PERSON 26 Son Clerk Illinois
13 Lawrence Bartels 36 Head Foreman Illinois
14 Frances Bartels 37 Wife — Illinois
15 Lawrence Bartels 14 Son — Illinois
16 Lorraine Bartels 12 Daughter — Illinois
17 Carl Russo 32 Head Candy Maker Illinois
18 Mary Russo 32 Wife Fitter Illinois
19 John Russo 2 Son — Illinois
20 Nick Salchook 44 Head Machinist Russia
21 Frances Salchook 37 Wife — Wisconsin
22 Irene Salchook 19 Daughter — Illinois
23 Virginia Salchook 15 Daughter — Illinois
24 John Block 50 Head Salesman Germany
25 Bertha Block 40 Wife Clerk Germany
26 Stanley Cortez 62 Lodger Welder Poland
27 Marguerite Qualter 0 Daughter — Illinois

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Pedigree Summary

Herbert
Gen 1 · 3 parents ~0.92
Max depth 4 (1900–1950 window)

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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