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Gertrude Thomas — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Champaign-County, Ohio

Our Model Tree links this Gertrude Thomas across the 1920, 1930 and 1940 US Censuses in Champaign-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 3-person household.

Age 49 b. ~1891 Female Spouse Born: Ohio Married

1940 Census Record Details

Census Year1940
LocationChampaign-County, Ohio
SurnameThomas
Given NameGertrude L.
Relationship to HeadWife
SexF
Color / RaceWhite
Age49
Marital StatusMarried
BirthplaceOhio
1935 Residence (City)Urbana City
1935 Residence (County)Champaign
Additional Details
Class of Worker0
Highest GradeH-4
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardUrbana City
Est. Birth Year~1891

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.

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

Name Relation to head Relative to Gertrude Age Birth yr
Gertrude Thomas Spouse — 49 ~1891
Marian Thomas Daughter — 12 ~1928
John Thomas Head — 50 ~1890

Census Appearances

1920
Champaign, Ohio
Spouse, age 28
Champaign, Ohio · implied b. ~1892 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thomas
Given Name Gertrude
Relationship to Head Wife
Sex F
Color / Race White
Age 28
Marital Status Married
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1930
Champaign, Ohio
Spouse, age 39
Champaign, Ohio · implied b. ~1891 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thomas
Given Name Gertrude L
Relationship to Head Wife
Sex F
Color / Race White
Age 39
Marital Status Married
Birthplace Ohio
Age at First Marriage 22
Father's Birthplace Ohio
Mother's Birthplace Ohio
Can Read/Write Yes
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Champaign-County, Ohio
Spouse, age 49
Champaign-County, Ohio · implied b. ~1891 — 3 household members
Surname Thomas
Given Name Gertrude L.
Relationship to Head Wife
Sex F
Color / Race White
Age 49
Marital Status Married
Birthplace Ohio
1935 Residence (City) Urbana City
1935 Residence (County) Champaign
Class of Worker 0
Highest Grade H-4
1935 Residence Same place
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio

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 Gertrude Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Gertrude Thomas
Spouse · 1940 · age 49 · b. ~1891 · Ohio
★ 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 — Champaign-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03037-00565)

Line Name Age Relation Occupation Birthplace
1 Homer Hill 33 Head Sales Manager Ohio
2 Robert Hill 11 Son — Ohio
3 Marjorie Hill 10 Daughter — Ohio
4 Mildred Hill 9 Daughter — Ohio
5 Lester Hill 8 Son — Ohio
6 Donald Hill 7 Son — Ohio
7 Carol Hill 5 Daughter — Ohio
8 Joseph E. Brand 51 Head Sales Manager Ohio
9 Helen B. Brand 47 Wife — Ohio
10 Ola Qualls 55 Sister — Ohio
11 Guy Qualls 21 Nephew — Ohio
12 Frances Qualls 19 Niece — Ohio
13 John E. Bucher 83 Head — Pennsylvania
14 Marie H. Bucher 75 Wife — Ohio
15 Grant Wooley 75 Head Owner Ohio
16 Sophia Johnson 79 Sister — Ohio
17 Joseph Metzer 35 Head Fireman Pennsylvania
18 Elizabeth Metzer 36 Wife — Ohio
19 Virginia Metzer 1 Daughter — Ohio
20 William J. Spence 61 Lodger Tool Maker Ireland
21 Elizabeth Boyd 77 Head — Iowa
22 Harold Houston 54 Head Lawyer Ohio
23 Mabel R. Houston 50 Wife — Ohio
24 Anne Outram 13 Daughter — Illinois
25 John W. Thomas 50 Head Auctioneer Ohio
26 Gertrude L. Thomas THIS PERSON 49 Wife — Ohio
27 Marian Thomas 12 Daughter — Ohio
28 June E. Leopard 48 Head — Illinois
29 Mary Jane Myers 24 Daughter Servant Ohio
30 Roger Myers 2 Grandson — Ohio
31 Margaret Leopard 21 Daughter Servant Ohio
32 Elta J. Leopard 25 Daughter — Ohio
33 Richard Leopard 6 Grandson — Ohio
34 Robert Leopard 3 Grandson — Ohio
35 Ronnie Leopard 1 Grandson — Ohio
36 Michael Ryan 58 Uncle Painter Ohio
37 Annie Gordon 53 Head — Ohio
38 Kenneth Holycross 20 Head Farm Hand Ohio
39 Mary J. Holycross 17 Wife — Ohio
40 Eugene Carney 20 Lodger Pressman Ohio

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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