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John Shaffer — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Fairfield-County, Ohio

Our Model Tree links this John Shaffer across the 1930 and 1940 US Censuses in Fairfield-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.

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

1940 Census Record Details

Census Year1940
LocationFairfield-County, Ohio
SurnameShaffer
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age19
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Lancaster City
1935 Residence (County)Fairfield
Additional Details
OccupationCaretaker
IndustryDog Kennel
Class of WorkerPW
Hours Worked25
Income (1939)300
Highest GradeH 8
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationCaretaker
Township / WardLancaster City
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.

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

Name Relation to head Relative to John Age Birth yr
Don Shaffer Son — 24 ~1916
Anna Shaffer Spouse — 44 ~1896
John Shaffer Son — 19 ~1921
Marjorie Shaffer Daughter — 31 ~1909
Robert Shaffer Son — 15 ~1925
Chester Shaffer Son — 17 ~1923
Chester Shaffer Head — 53 ~1887

Census Appearances

1930
Fairfield, Ohio
Son, age 9
Fairfield, Ohio · implied b. ~1921 — 13 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Schaeffer
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
Fairfield-County, Ohio
Son, age 19
Fairfield-County, Ohio · implied b. ~1921 — 7 household members
Surname Shaffer
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 19
Marital Status Single
Birthplace Ohio
1935 Residence (City) Lancaster City
1935 Residence (County) Fairfield
Occupation Caretaker
Industry Dog Kennel
Class of Worker PW
Hours Worked 25
Income (1939) 300
Highest Grade H 8
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 John Shaffer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Shaffer
Son · 1940 · age 19 · b. ~1921 · Ohio
★ You are viewing this record
Sibling
Chester Shaffer
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Shaffer
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Shaffer
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Don Shaffer
Sibling · 1940 · age 24
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 — Fairfield-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03065-00557)

Line Name Age Relation Occupation Birthplace
41 William Masser 32 Head Glass Factory Ohio
42 Rebecca D Masser 27 Wife — Ohio
43 Margaret K Gardner 67 Head — Ohio
44 Earl W. Miller 36 Head Glass Factory Ohio
45 Ruth Miller 36 Wife — Ohio
46 Kay Miller 5 Daughter — Ohio
47 Paul E. Kushman 41 Head Minister Missouri
48 Ruth D Kushman 28 Wife — Illinois
49 Catherine Kushman 3 Daughter — Ohio
50 Paul F. Kushman 2 Son — Ohio
51 Robert C. Kushman 0 Son — Ohio
52 George Mason 58 Head Relief Worker Ohio
53 Harley Mason 14 Son — Ohio
54 Fred Kennard 30 Lodge — Ohio
55 George E Alfred 40 Head Private Hand Ohio
56 Marie D Alfred 30 Wife — Ohio
57 Charles Alfred 8 Son — Ohio
58 Susan Alfred 6 Daughter — Ohio
59 Edward Alfred 2 Son — Ohio
60 Golda Featheroff 22 Maid Maid Ohio
61 Lee Exter 22 Ex Tra — Ohio
62 Chris Keller 74 Head Salesman Ohio
63 Sophia L. Keller 71 Wife — Ohio
64 Catherine E. Keller 38 Daughter Interior Decorator Ohio
65 Augusta Rauch 70 Sister in law — Ohio
66 Leland Cox 46 Head — Virginia
67 Patsy Ann Cox 10 Daughter Housekeeper Ohio
68 George Pratt 32 Lodger Laborer Kentucky
69 Basil Clawson 44 Lodger Laborer Kentucky
70 Daillynn Harris 31 Lodger Clerk Ohio
71 George Burger 49 Lodger Laborer Ohio
72 Ernest Girty 57 Head Resturant Ohio
73 Rose Girty 53 Wife — Ohio
74 Chester P. Shaffer 53 Head — Ohio
75 Anna Shaffer 44 Wife — Ohio
76 Marjorie Shaffer 31 Daughter 104 Ohio
77 Don Shaffer 24 Son Laborer Ohio
78 John Shaffer THIS PERSON 19 Son Caretaker Ohio
79 Chester Shaffer 17 Son Dress Worker Ohio
80 Robert Shaffer 15 Son — 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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