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Marion Thomas — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Marion Thomas across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.

Age 13 b. ~1927 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationWestchester-County, New York
SurnameThomas
Given NameMarion
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New Rochelle City
1935 Residence (County)Westchester
Additional Details
Highest Grade7
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew Rochelle City
Est. Birth Year~1927

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 Marion Age Birth yr
Marion Thomas Daughter — 13 ~1927
Ann Thomas Daughter — 8 ~1932
Patrick Thomas Son — 2 ~1938
Robert Thomas Son — 4 ~1936
Patrick Thomas Head — 42 ~1898
Mary Thomas Spouse — 39 ~1901
John Thomas Son — 11 ~1929
Catherine Thomas Daughter — 6 ~1934

Census Appearances

1930
Westchester, New …
Daughter, age 3
Westchester, New York · implied b. ~1927 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thomas
Given Name Marion
Relationship to Head Daughter
Sex F
Color / Race White
Age 3
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Westchester-County, New …
Daughter, age 13
Westchester-County, New York · implied b. ~1927 — 8 household members
Surname Thomas
Given Name Marion
Relationship to Head Daughter
Sex F
Color / Race White
Age 13
Marital Status Single
Birthplace New York
1935 Residence (City) New Rochelle City
1935 Residence (County) Westchester
Highest Grade 7
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.
Linked across censuses
Our Model Tree links Marion Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Thomas
Daughter · 1940 · age 13 · b. ~1927 · New York
★ You are viewing this record
Sibling
Patrick Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thomas
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Thomas
Sibling · 1940 · age 6
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 — Westchester-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02810-00453)

Line Name Age Relation Occupation Birthplace
1 Frederick Mooney 43 Head Bridge Tender New York
2 Mary Mooney 48 Wife — New York
3 Joseph Mooney 24 Son Rug Cleaner New York
4 Mary Mooney 20 Daughter Waitress New York
5 Rose Anna Mooney 14 Daughter — New York
6 Peter Mittney 30 Head Tree Surgeon New York
7 Clara Mittney 28 Wife — New York
8 Claire Mittney 5 Daughter — New York
9 Joyce Mittney 1 Daughter — New York
10 Charles Brewer 56 Head Painter New York
11 Anthony Capaiola 41 Head Ice Dealer Italy
12 Marie Capaiola 38 Wife — Italy
13 Anne Capaiola 15 Daughter — New York
14 Margaret Capaiola 14 Daughter — New York
15 Josephine Capaiola 12 Daughter — New York
16 Anthonette Capaiola 7 Daughter — New York
17 Bernard Carroll 40 Head Chauffeur Irish Free State
18 Lottie Carroll 35 Wife — Canada English
19 Lottie Carroll 12 Daughter — New York
20 Francis Carroll 11 Son — New York
21 John Carroll 10 Son — New York
22 Margaret Carroll 8 Daughter — New York
23 Patrick Carroll 7 Son — New York
24 Thomas Carroll 6 Son — New York
25 Richard Carroll 4 Son — New York
26 Robert Carroll 3 Son — New York
27 Catherine Carroll 2 Daughter — New York
28 Bernard Jr Carroll 0 Son — New York
29 Michael Belfiore 55 Head Painter Italy
30 Frances Belfiore 42 Wife Cafeteria New York
31 Edward Belfiore 19 Son New Worker New York
32 Joseph Belfiore 17 Son Delivery Boy New York
33 Patrick Thomas 42 Head Brick Layer Irish Free State
34 Mary Thomas 39 Wife — Irish Free State
35 Marion Thomas THIS PERSON 13 Daughter — New York
36 John Thomas 11 Son — New York
37 Ann Thomas 8 Daughter — New York
38 Catherine Thomas 6 Daughter — New York
39 Robert Thomas 4 Son — New York
40 Patrick Jr Thomas 2 Son — New York

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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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