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John Schaefer — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Philadelphia-County, Pennsylvania

Our Model Tree links this John Schaefer across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 9-person household.

Age 17 b. ~1923 Male Son Born: Penna Single

1940 Census Record Details

Census Year1940
LocationPhiladelphia-County, Pennsylvania
SurnameSchaefer
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age17
Marital StatusSingle
BirthplacePenna
1935 Residence (City)Philadelphia City
1935 Residence (County)Phila
Additional Details
Class of Worker0
Hours Worked0
Highest GradeH-3
1935 ResidenceSame place
Birth StatePennsylvania
Birth CountryUnited States
Birthplace (normalized)penna
Township / WardPhiladelphia City
Est. Birth Year~1923

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 John Age Birth yr
John Schaefer Son — 17 ~1923
Mary Schaefer Daughter — 22 ~1918
Irvin Schaefer Head — 53 ~1887
Agnes Schaefer Daughter — 19 ~1921
Mary Schaefer Spouse — 53 ~1887
Charles Murray Other — 58 ~1882
Betty Schaefer Daughter — 14 ~1926
Irvin Schaefer Son — 19 ~1921
Doris Schaefer Daughter — 10 ~1930

Census Appearances

1930
Philadelphia, Pennsylvania
Son, age 5
Philadelphia, Pennsylvania · implied b. ~1925 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Schaufer
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace Penna
Father's Birthplace Penna
Mother's Birthplace Penna
Birth State Pennsylvania
Birth Country United States
Birthplace (normalized) penna
1940
Philadelphia-County, Pennsylvania
Son, age 17
Philadelphia-County, Pennsylvania · implied b. ~1923 — 9 household members
Surname Schaefer
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace Penna
1935 Residence (City) Philadelphia City
1935 Residence (County) Phila
Class of Worker 0
Hours Worked 0
Highest Grade H-3
1935 Residence Same place
Birth State Pennsylvania
Birth Country United States
Birthplace (normalized) penna

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 Schaefer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Schaefer
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Mary Schaefer
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Schaefer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Schaefer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Schaefer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irvin Schaefer
Sibling · 1940 · age 19
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 — Philadelphia-County, Pennsylvania Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03737-00458)

Line Name Age Relation Occupation Birthplace
1 Charles Powell 44 Head Roofer Penna
2 Helen Powell 41 Wife — N Jersey
3 Ida E Bunker 50 Head Cleaner Eng. Canada
4 Francis Bunker 17 Son — Penna
5 Virginia Bunker 16 Daughter — Penna
6 Gloria Bunker 14 Daughter — Penna
7 Dyson Broadbent 24 Head Painting Newfound
8 Lillian Broadbent 28 Wife — Penna
9 Janet Broadbent 0 Daughter — Penna
10 Irvin Schaefer 53 Head Signal Man Penna
11 Mary Schaefer 53 Wife — Penna
12 Mary Schaefer 22 Daughter Goldsmith Penna
13 Agnes Schaefer 19 Daughter New Worker Penna
14 Irvin Schaefer 19 Son New Worker Penna
15 John Schaefer THIS PERSON 17 Son — Penna
16 Betty Schaefer 14 Daughter — Penna
17 Doris Schaefer 10 Daughter — Penna
18 Charles Murray 58 Lodger — N Jersey
19 Edward Hagen 32 Head Laborer Penna
20 Margaret Hagen 27 Wife Draftsman Penna
21 Lillian Hagen 1 Daughter — Penna
22 Wilson Powell 41 Head Pumper Penna
23 Marion Powell 43 Wife — Penna
24 Gertrude Powell 21 Daughter Operator Penna
25 Marion Vance 9 Sister — Penna
26 Jane Vance 7 Sister — Penna
27 Stanley Dombroski 25 Head Shipper Penna
28 Mary Dombroski 24 Wife — Penna
29 Nelson Baughn 48 Head Foreman Penna
30 Bertha Baughn 46 Wife — Penna
31 Joseph Baughn 28 Son Timekeeper Penna
32 Herbert Tratz 44 Head Machinist Penna
33 Ella Tratz 44 Wife — Penna
34 Harold Hepler 39 Head Mail Clerk Penna
35 Anna Hepler 29 Wife — Penna
36 Howard Hepler 11 Son — Penna
37 Arnell Hepler 10 Daughter — New York
38 Dorothy Hepler 8 Daughter — Penna
39 Ralph Hepler 5 Son — Penna
40 Irvin Hepler 4 Son — Penna

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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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