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Ellen Thomas — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · St.-Lawrence-County, New York

Our Model Tree links this Ellen Thomas across the 1930 and 1940 US Censuses in St.-Lawrence-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.

Age 15 b. ~1925 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationSt.-Lawrence-County, New York
SurnameThomas
Given NameEllen
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Conifer
1935 Residence (County)St. Lawrence
Additional Details
Highest GradeHs 1
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardConifer
Est. Birth Year~1925

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 Ellen Age Birth yr
Paul Thomas Head — 39 ~1901
Ellen Thomas Daughter — 15 ~1925
Sidney Thomas Son — 13 ~1927
Paul Thomas Son — 16 ~1924
Lucille Thomas Spouse — 34 ~1906
Mervin Thomas Son — 8 ~1932

Census Appearances

1930
St Lawrence, …
Daughter, age 5
St Lawrence, New York · implied b. ~1925 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thomas
Given Name Ellen M.
Relationship to Head Daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace New York
Father's Birthplace Pennsylvania
Mother's Birthplace Pennsylvania
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
St.-Lawrence-County, New …
Daughter, age 15
St.-Lawrence-County, New York · implied b. ~1925 — 6 household members
Surname Thomas
Given Name Ellen
Relationship to Head Daughter
Sex F
Color / Race White
Age 15
Marital Status Single
Birthplace New York
1935 Residence (City) Conifer
1935 Residence (County) St. Lawrence
Highest Grade Hs 1
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 Ellen Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Thomas
Daughter · 1940 · age 15 · b. ~1925 · New York
★ You are viewing this record
Sibling
Mervin Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sidney Thomas
Sibling · 1940 · age 13
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 — St.-Lawrence-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02771-00303)

Line Name Age Relation Occupation Birthplace
41 Harold Russell 35 Head Fireman New York
42 Pearl Russell 32 Wife — New York
43 Gerald Russell 14 Son — New York
44 James Russell 11 Son — New York
45 Barbara Russell 10 Daughter — New York
46 Robert Russell 8 Son — New York
47 Patrick Russell 5 Son — New York
48 Henry Eggleton 65 Father in law Fireman New York
49 Evo Doriguizzi 35 Head Barber New York
50 Mildred Doriguizzi 34 Wife — Penn.
51 Marleen Doriguizzi 8 Daughter — New York
52 Jean Doriguizzi 6 Son — New York
53 Lawrence Doriguizzi 4 Son — New York
54 Paul Thomas 39 Head Lumber Jack Penn.
55 Lucille Thomas 34 Wife — Penn.
56 Paul Thomas 16 Son — Penn.
57 Ellen Thomas THIS PERSON 15 Daughter — New York
58 Sidney Thomas 13 Son — New York
59 Mervin Thomas 8 Son — New York
60 Levi Macdonald 54 Head Labourer Canada
61 Alma Macdonald 53 Wife — Mass.
62 Willey Macdonald 28 Son Laborer New York
63 Wilbur Macdonald 23 Son Labourer New York
64 Doreen Macdonald 14 Daughter — New York
65 Edward Simmons 38 Head Engineer Penn.
66 Lillian Simmons 31 Wife — New York
67 Edward Simmons 13 Son — Penn.
68 William Simmons 9 Son — New York
69 Rosemary Simmons 7 Daughter — New York
70 Walter Lavoy 32 Head Laborer New York
71 Anna Lavoy 32 Wife — New York
72 Edmond Lavoy 13 Son — New York
73 Elizabeth Adrian 65 Mother in law — New York
74 Joseph Rakey 60 Head Caretaker New York
75 Oscar Philips 62 Head Labourer New York
76 Frances Philips 20 Daughter — New York
77 Priscilla Philips 13 Daughter — New York
78 Arthur Girard 52 Head Caretaker New York
79 Rose Girard 50 Wife — New York
80 Alexander Roufiee 45 Head Labourer Canada

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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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