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Barbara Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Middlesex-County, Massachusetts

Our Model Tree links this Barbara Thompson across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 5-person household.

Age 14 b. ~1926 Female Daughter Born: Massachusetts Single

1940 Census Record Details

Census Year1940
LocationMiddlesex-County, Massachusetts
SurnameThompson
Given NameBarbara A
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceMassachusetts
1935 Residence (County)Middlesex
Additional Details
Industry0
Highest Grade8
Birth StateMassachusetts
Birth CountryUnited States
Birthplace (normalized)massachusetts
Township / WardLexington Town
Est. Birth Year~1926

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.

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

Name Relation to head Relative to Barbara Age Birth yr
M Thompson Daughter — 12 ~1928
Constance Thompson Daughter — 17 ~1923
Barbara Thompson Daughter — 14 ~1926
Barbara Thompson Spouse — 37 ~1903
John Thompson Head — 40 ~1900

Census Appearances

1930
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1925 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thompson
Given Name Barbara A.
Relationship to Head Daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace Massachusetts
Father's Birthplace New Hampshire
Mother's Birthplace Massachusetts
Can Read/Write Yes
Birth State Massachusetts
Birth Country United States
Birthplace (normalized) massachusetts
1940
Middlesex-County, Massachusetts
Daughter, age 14
Middlesex-County, Massachusetts · implied b. ~1926 — 5 household members
Surname Thompson
Given Name Barbara A
Relationship to Head Daughter
Sex F
Color / Race White
Age 14
Marital Status Single
Birthplace Massachusetts
1935 Residence (County) Middlesex
Industry 0
Highest Grade 8
Birth State Massachusetts
Birth Country United States
Birthplace (normalized) massachusetts

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 Barbara Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Barbara Thompson
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
★ You are viewing this record
Sibling
M Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Constance Thompson
Sibling · 1940 · age 17
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 — Middlesex-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01607-00579)

Line Name Age Relation Occupation Birthplace
1 Patricia M Bradford 2 Daughter — Massachusetts
2 John F Shaw 35 Head Woolen Massachusetts
3 Phyllis C Shaw 37 Wife — Massachusetts
4 John F Jr Shaw 17 Son Ccc Massachusetts
5 Richard W Shaw 12 Son — Massachusetts
6 Lawrence F Shaw 8 Son — Massachusetts
7 Phyllis C Shaw 5 Daughter — Massachusetts
8 Leander Wood 67 Head Driver Canada-English
9 Jessie Wood 71 Wife — Canada-English
10 Leander Wood 34 Son Construction Massachusetts
11 Mildred Wood 30 Daughter — Massachusetts
12 Mary Wood 13 Granddaughter — Massachusetts
13 Helen Wood 11 Granddaughter — Massachusetts
14 Lillian Wood 10 Daughter — Massachusetts
15 Anthony J Casey 46 Head Truck Driver Irish Free State
16 Bridget Casey 48 Wife — Irish Free State
17 Catherine Casey 20 Daughter — Massachusetts
18 John Casey 19 Son Building Massachusetts
19 Bernice Casey 6 Daughter — Massachusetts
20 W. Thomas Perry 28 Head Own Business Massachusetts
21 Catherine M Perry 25 Wife — New York
22 John D Thompson 40 Head Oil Sales New Hampshire
23 Barbara Thompson 37 Wife — Massachusetts
24 Constance M Thompson 17 Daughter — Massachusetts
25 Barbara A Thompson THIS PERSON 14 Daughter — Massachusetts
26 M. Hildreth Thompson 12 Daughter — Massachusetts
27 Lucy Lucey 44 Head — Massachusetts
28 Robert Lucey 7 Nephew — Massachusetts
29 Ruth Lucey 6 Niece — Massachusetts
30 Barbara A Lucey 4 Niece — Massachusetts
31 George Lucey 49 Lodger Food Massachusetts
32 Robert C Mcaraul 54 Head Town Massachusetts
33 Marie E Mcaraul 44 Wife — Scotland
34 Marie Powers 26 Daughter Public School Massachusetts
35 David Mcaraul 14 Son — Massachusetts
36 Donald Mcaraul 12 Son — Massachusetts
37 Barbara E Mcaraul 8 Daughter — Massachusetts
38 Helen L Valliere 51 Head — Massachusetts
39 Veronica M Valliere 21 Daughter Electric Machinery Massachusetts
40 Francis J Valliere 18 Son — Massachusetts

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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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