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Gertrude Thompson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Suffolk-County, New York

Our Model Tree links this Gertrude Thompson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, New York (XGBoost, ~Confirmed), with identified parents Erastus & Brastus — first a daughter (b.~1918), then head of a 6-person household.

Age 22 b. ~1918 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationSuffolk-County, New York
SurnameThompson
Given NameGertrude
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age22
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Smithtown Branch
1935 Residence (County)Suffolk
Additional Details
OccupationTabulator
IndustryDress Shop
Class of WorkerPW
Hours Worked45
Income (1939)298
Highest GradeH-4
1935 ResidenceSame Place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationTabulator
Township / WardSmithtown Branch
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.

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

Name Relation to head Relative to Gertrude Age Birth yr
Helen Thompson Daughter — 26 ~1914
Arthur Thompson Son — 30 ~1910
Rena Thompson Spouse — 60 ~1880
David Thompson Son — 19 ~1921
Gertrude Thompson Daughter — 22 ~1918
Erastus Thompson Head — 67 ~1873

Census Appearances

1920
Suffolk, New …
Daughter, age 3
Suffolk, New York · implied b. ~1917 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thompson
Given Name Gertrude
Relationship to Head Daughter
Sex F
Color / Race White
Age 3
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace Germany
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Suffolk, New …
Daughter, age 13
Suffolk, New York · implied b. ~1917 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thompson
Given Name Gertrude C
Relationship to Head Daughter
Sex F
Color / Race White
Age 13
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Student
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Suffolk-County, New …
Daughter, age 22
Suffolk-County, New York · implied b. ~1918 — 6 household members
Surname Thompson
Given Name Gertrude
Relationship to Head Daughter
Sex F
Color / Race White
Age 22
Marital Status Single
Birthplace New York
1935 Residence (City) Smithtown Branch
1935 Residence (County) Suffolk
Occupation Tabulator
Industry Dress Shop
Class of Worker PW
Hours Worked 45
Income (1939) 298
Highest Grade H-4
1935 Residence Same Place
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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 Gertrude Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Erastus Thompson (~0.92 confidence) and father Brastus Thompson (~0.92 confidence) and father Everett Thompson (~0.92 confidence) and mother Rena Thompson (~0.92 confidence) and mother Rena Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Erastus Thompson
b. ~1873
Source father
● Household · direct · ~0.92
Father
Brastus Thompson
b. ~1874
Source father
● Household · direct · ~0.92
Father
Everett Thompson
b. ~1879
Source father
● Household · direct · ~0.92
Mother
Rena Thompson
b. ~1880
Source mother
● Household · direct · ~0.92
Mother
Rena Thompson
b. ~1883
Source mother
● Household · direct · ~0.92
This person
Anchor record
Gertrude Thompson
Daughter · 1940 · age 22 · b. ~1918 · New York
★ You are viewing this record
Sibling
Helen Thompson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Thompson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Thompson
Sibling · 1940 · age 30
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 — Suffolk-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02788-00300)

Line Name Age Relation Occupation Birthplace
1 William Diason 26 Head Painter New York
2 Margaret Diason 17 Wife — New York
3 William Diason 0 Son — New York
4 Frank S. Przebowski 29 Head Clam Man New York
5 Florence Przebowski 26 Wife — New York
6 Francis Przebowski 5 Son — New York
7 Donald Przebowski 2 Son — New York
8 Irene Carlson 66 Head — New York
9 John Schinn 31 Head Waiter New York
10 Ethel Schinn 31 Wife Typist New York
11 Frank Lackman 51 Head — New York
12 Antoinette Lackman 53 Wife — New Jersey
13 Grace Hewlett 70 Head — New York
14 John Flanagan 42 Caretaker Caretaker Ireland
15 Kitty Flanagan 47 Servant Servant Ireland
16 Albert Pengelley 36 Head Caretaker England
17 Linda Pengelley 31 Wife — Wales
18 John Pengelley 5 Son — New York
19 Erastus Thompson 67 Head Painter New York
20 Rena Thompson 60 Wife — New York
21 Arthur Thompson 30 Son Laborer New York
22 Helen Thompson 26 Daughter — New York
23 Gertrude Thompson THIS PERSON 22 Daughter Tabulator New York
24 David Thompson 19 Son Clerk New York
25 Seymour S. Simon 33 Head Engineer New York
26 Alice L. Simon 30 Wife — New York
27 John D. Simon 8 Son — New York
28 Ruth W. Simon 3 Daughter — New York
29 Raymond Case 36 Head Clergyman New York
30 Zipporah Case 36 Wife — Virginia
31 Eugenia Case 16 Daughter — Florida
32 Raymond Case 1 Son — New York
33 William Marshall 66 Head Florist New York
34 Ethel Marshall 55 Wife — New York
35 Dorothy Marshall 16 Daughter — New York
36 Helen L. Melvin 64 Head — England
37 Alfredo Albertson 40 Head Carpenter Norway
38 Margot Albertson 39 Wife — Norway
39 Alice Albertson 13 Daughter — New York
40 Greta Albertson 2 Daughter — New York

Related Census Records

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Pedigree Summary

Gertrude + 3 siblings
Gen 1 · 5 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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