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Ralph Lewis — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Mahoning-County, Ohio

Our Model Tree links this Ralph Lewis across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.

Age 21 b. ~1919 Male Son Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationMahoning-County, Ohio
SurnameLewis
Given NameRalph A.
Relationship to HeadSon
SexM
Color / RaceWhite
Age21
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Struthers City
1935 Residence (County)Mahoning
Additional Details
OccupationShearman Helper
IndustrySteel Mill
Class of WorkerPW
Hours Worked24
Income (1939)850
Highest GradeHs 3
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationShearman Helper
Township / WardStruthers City
Est. Birth Year~1919

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 Ralph Age Birth yr
William Lewis Head — 52 ~1888
Margaret Lewis Daughter — 16 ~1924
Robert Lewis Son — 13 ~1927
William Lewis Son — 25 ~1915
Ralph Lewis Son — 21 ~1919
Hattie Lewis Spouse — 52 ~1888
George Lewis Son — 23 ~1917
David Lewis Son — 19 ~1921

Census Appearances

1930
Mahoning, Ohio
Son, age 11
Mahoning, Ohio · implied b. ~1919 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Lewis
Given Name Ralph F.
Relationship to Head son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace Ohio
Father's Birthplace Pennsylvania
Mother's Birthplace Ohio
Can Read/Write Yes
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Mahoning-County, Ohio
Son, age 21
Mahoning-County, Ohio · implied b. ~1919 — 8 household members
Surname Lewis
Given Name Ralph A.
Relationship to Head Son
Sex M
Color / Race White
Age 21
Marital Status Single
Birthplace Ohio
1935 Residence (City) Struthers City
1935 Residence (County) Mahoning
Occupation Shearman Helper
Industry Steel Mill
Class of Worker PW
Hours Worked 24
Income (1939) 850
Highest Grade Hs 3
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 Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ralph Lewis
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Robert Lewis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Lewis
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Lewis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Lewis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lewis
Sibling · 1940 · age 25
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 — Mahoning-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03108-00859)

Line Name Age Relation Occupation Birthplace
1 Annabel Willard 38 Wife — Illinois
2 Betty Willard 18 Daughter — Ohio
3 Marjorie Ann Willard 3 Daughter — Ohio
4 Anna Abston 79 Mother in law — Ohio
5 Roy R. Schell 54 Head Photographer Pennsylvania
6 Ruth W. Schell 45 Wife — Ohio
7 Russell Schell 28 Son Painter - Mech Dept Ohio
8 Jane Schell 27 Daughter Comp Operator Ohio
9 Ruth Schell 11 Daughter — Ohio
10 Jeanne Schell 7 Daughter — Ohio
11 Michael Chuey 44 Head Clerk Store Ohio
12 Mary Chuey 44 Wife — Ohio
13 Paul Chuey 29 Son Mill Worker Ohio
14 Mary Chuey 26 Daughter Office Girl Ohio
15 Dolores Chuey 23 Daughter Office Girl Ohio
16 — None — — —
17 William A. Lewis 52 Head Machine Oper Pennsylvania
18 Hattie Lewis 52 Wife — Ohio
19 William A. Lewis 25 Son Shearman Helper Ohio
20 George E. Lewis 23 Son Car Loader Ohio
21 Ralph A. Lewis THIS PERSON 21 Son Shearman Helper Ohio
22 David A. Lewis 19 Son Fireman Ohio
23 Margaret V. Lewis 16 Daughter — Ohio
24 Robert L. Lewis 13 Son — Ohio
25 Charles Hopwood 42 Head Stationary Engineer England
26 Emily Hopwood 47 Wife — New York
27 Arthur Hopwood 11 Son — Ohio
28 Alice Foster 71 Mother in law — England
29 Joseph Slavins 25 Head Salesman Ohio
30 Bessie Slavins 24 Wife — Pennsylvania
31 Barbara L. Slavins 4 Daughter — Ohio
32 Carol L. Slavins 3 Daughter — Ohio
33 Earl E. Bartlett 44 Head Furnace Maker Pennsylvania
34 Edna Bartlett 40 Wife — Pennsylvania
35 Martha E. Bartlett 14 Daughter — Ohio
36 Charles Derbin 41 Head Elec Hook Wisconsin
37 Rose Derbin 33 Wife — Ohio
38 Floyd C. Derbin 3 Son — Ohio
39 Carol J. Derbin 1 Daughter — Ohio
40 Samuel E. Lewis 57 Head Steel Pourer Pennsylvania

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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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