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John Irwin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Franklin-County, Ohio

Our Model Tree links this John Irwin across the 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.

Age 19 b. ~1921 Male Son Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationFranklin-County, Ohio
SurnameIrwin
Given NameJohn W.
Relationship to HeadSon
SexM
Color / RaceWhite
Age19
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Sunbury
1935 Residence (County)Delaware
Additional Details
OccupationLaborer
IndustryBuilding Construction
Class of WorkerPW
Hours Worked24
Income (1939)400
Highest GradeHs 4
1935 ResidenceOhio
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationLaborer
Township / WardWesterville
Est. Birth Year~1921

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 John Age Birth yr
Perry Irwin Son — 15 ~1925
Patricia Irwin Daughter — 5 ~1935
Patricia Orendorf Daughter — 18 ~1922
Richard Orendorf Son — 21 ~1919
Floris Irwin Spouse — 39 ~1901
John Irwin Son — 19 ~1921
Perry Irwin Head — 38 ~1902
Gertrude Irwin Other — 19 ~1921

Census Appearances

1930
Franklin, Ohio
Son, age 9
Franklin, Ohio · implied b. ~1921 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Irwin
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 9
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Can Read/Write Yes
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Franklin-County, Ohio
Son, age 19
Franklin-County, Ohio · implied b. ~1921 — 8 household members
Surname Irwin
Given Name John W.
Relationship to Head Son
Sex M
Color / Race White
Age 19
Marital Status Single
Birthplace Ohio
1935 Residence (City) Sunbury
1935 Residence (County) Delaware
Occupation Laborer
Industry Building Construction
Class of Worker PW
Hours Worked 24
Income (1939) 400
Highest Grade Hs 4
1935 Residence Ohio
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 John Irwin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Irwin
Son · 1940 · age 19 · b. ~1921 · Ohio
★ You are viewing this record
Sibling
Perry Irwin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Orendorf
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Orendorf
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Irwin
Sibling · 1940 · age 5
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 — Franklin-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03068-00318)

Line Name Age Relation Occupation Birthplace
1 Catherine Fredline 4 Daughter — Ohio
2 David Fredline 3 Son — Ohio
3 Bert Downes 69 Head Retail Salesman Ohio
4 Grace B. Brown 50 Head Stenographer Ohio
5 Adeline G. Finley 41 Lodger Secretary Ohio
6 Rachel L. Brown 86 Mother — Ohio
7 Oliver D. Hamilton 39 Head Electrician Ohio
8 Ruth D. Hamilton 36 Wife — Virginia
9 Harold E. Hamilton 15 Son Newsboy Ohio
10 Virginia A. Hamilton 13 Daughter — Ohio
11 Perry L. Irwin 38 Head Service Man Ohio
12 Floris A. Irwin 39 Wife — Ohio
13 Perry Jr. Irwin 15 Son Boy Ohio
14 Patricia Irwin 5 Daughter — Ohio
15 John W. Irwin THIS PERSON 19 Son Laborer Ohio
16 Gertrude M. Irwin 19 Daughter in law — Switzerland
17 Richard B. Orendorf 21 Son Public Employee Ohio
18 Patricia J. Orendorf 18 Daughter — Ohio
19 Lowell Billman 28 Head Platform Man Ohio
20 Florence Billman 27 Wife — Ohio
21 Robert Billman 6 Son — Ohio
22 Edwin Billman 4 Son — Ohio
23 Neil Billman 1 Son — Ohio
24 Gretchen Short 50 Head Landlady Ohio
25 Neil O. Short 25 Son Truck Driver Ohio
26 Harriet Ann Short 14 Daughter — Ohio
27 Maureen Burnside 51 Lodger — —
28 Gladys Wolfe 24 Lodger Instructor Ohio
29 David Wolfe 27 Lodger — —
30 E. Don Carter 48 Head Service Salesman Ohio
31 Verna Carter 46 Wife — Ohio
32 James C. Carter 22 Son Music Teacher Ohio
33 Norman W. Carter 20 Son Clerk Ohio
34 Richard S. Carter 17 Son Pin Set Ohio
35 William H. Carter 16 Son Pin Set Ohio
36 Hattie Gammill 63 Head — Ohio
37 Edwin L. Ambrose 59 Head — —
38 Elizabeth Leavitt 67 Aunt — Pennsylvania
39 George F. Welty 70 Head — Ohio
40 Ethel D. Welty 56 Wife — 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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