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Ralph Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this Ralph Thompson across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.

Age 11 b. ~1929 Male Son Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationHamilton-County, Ohio
SurnameThompson
Given NameRalph
Relationship to HeadSon
SexM
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Woodlawn
1935 Residence (County)Hamilton
Additional Details
Highest Grade4
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardWoodlawn
Est. Birth Year~1929

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.

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

Name Relation to head Relative to Ralph Age Birth yr
Roger Thompson Son — 1 ~1939
Kenneth Thompson Son — 12 ~1928
James Thompson Son — 3 ~1937
Ralph Thompson Son — 11 ~1929
Anna Thompson Spouse — 37 ~1903
Jean Thompson Daughter — 5 ~1935
Pauline Thompson Daughter — 7 ~1933
Donald Thompson Son — 8 ~1932
Nathan Thompson Head — 40 ~1900

Census Appearances

1930
Hamilton, Ohio
Son, age 1
Hamilton, Ohio · implied b. ~1929 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thompson
Given Name Ralph
Relationship to Head son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace Ohio
Father's Birthplace Kentucky
Mother's Birthplace Kentucky
Occupation none
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Hamilton-County, Ohio
Son, age 11
Hamilton-County, Ohio · implied b. ~1929 — 9 household members
Surname Thompson
Given Name Ralph
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace Ohio
1935 Residence (City) Woodlawn
1935 Residence (County) Hamilton
Highest Grade 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 Ralph Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ralph Thompson
Son · 1940 · age 11 · b. ~1929 · Ohio
★ You are viewing this record
Sibling
Pauline Thompson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thompson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roger Thompson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Thompson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Thompson
Sibling · 1940 · age 12
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 — Hamilton-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03080-00239)

Line Name Age Relation Occupation Birthplace
41 Bertie Crum 54 Wife — Kentucky
42 Paul W Crum 19 Son Salesman Kentucky
43 Lilly B. Crum 17 Daughter — Kentucky
44 Lucille Witherspoon 48 Daughter-in-law — Kentucky
45 Bertie Witherspoon 13 Granddaughter — Kentucky
46 Thomas Barkaloo 48 Head Miller Indiana
47 Bertha Barkaloo 40 Wife Bedroom Assistant Kentucky
48 Jean Barkaloo 15 Daughter New Worker Ohio
49 Jack Barkaloo 13 Son — Ohio
50 Priscilla Barkaloo 11 Daughter — Ohio
51 Lois Barkaloo 5 Daughter — Ohio
52 James Norris 75 Head Carpenter England
53 Clinton D. Smith 42 Head Carpenter Alabama
54 Marjorie Smith 35 Wife — Ohio
55 Clinton Jr Smith 20 Son Carpenter Ohio
56 Donald Smith 18 Son Carpenter Ohio
57 James Smith 16 Son — Ohio
58 Ruth Smith 15 Daughter — Ohio
59 Ramona Smith 11 Daughter — Ohio
60 Earl Pierce 32 Head Service Man Indiana
61 Beatrice Pierce 27 Wife — South Carolina
62 Jack Jr. Pierce 5 Son — Florida
63 Lillian Pierce 4 Daughter — Florida
64 Nathan E. Thompson 40 Head Operator Kentucky
65 Anna Thompson 37 Wife — Kentucky
66 Kenneth Thompson 12 Son — Ohio
67 Ralph Thompson THIS PERSON 11 Son — Ohio
68 Donald Thompson 8 Son — Ohio
69 Pauline Thompson 7 Daughter — Ohio
70 Jean Thompson 5 Daughter — Ohio
71 James Thompson 3 Son — Ohio
72 Roger Thompson 1 Son — Ohio
73 Theresa Norris 67 Head — Ohio
74 Arthur Lawrence 41 Head Laborer Ohio
75 Zetta Lawrence 36 Wife — Kentucky
76 Vera Lawrence 11 Daughter — Ohio
77 Arthur Lynn 28 Head Laborer Kentucky
78 Danielle Lynn 28 Wife — Kentucky
79 Helen Lynn 10 Daughter — Ohio
80 Gladys Mae Lynn 8 Daughter — Ohio

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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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