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William John — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Todd-County, Minnesota

Our Model Tree links this William John across the 1930 and 1940 US Censuses in Todd-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 8-person household.

Age 18 b. ~1922 Male Son Born: Minnesota Single

1940 Census Record Details

Census Year1940
LocationTodd-County, Minnesota
SurnameJohn
Given NameWilliam
Relationship to HeadSon
SexM
Color / RaceWhite
Age18
Marital StatusSingle
BirthplaceMinnesota
1935 Residence (City)Hartford Township
1935 Residence (County)Todd
Additional Details
OccupationLaborer
IndustryFarm
Class of WorkerNP
Hours Worked70
Income (1939)0
Highest GradeNo 7
1935 ResidenceSame place
Birth StateMinnesota
Birth CountryUnited States
Birthplace (normalized)minnesota
OccupationLaborer
Township / WardHartford Township
Est. Birth Year~1922

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 William Age Birth yr
Joseph John Son — 12 ~1928
William John Son — 18 ~1922
Bernice John Daughter — 14 ~1926
Mary John Daughter — 11 ~1929
Peter John Head — 45 ~1895
Francis John Spouse — 40 ~1900
Anthony John Son — 8 ~1932
Methody John Son — 17 ~1923

Census Appearances

1930
Todd, Minnesota
Son, age 8
Todd, Minnesota · implied b. ~1922 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname John
Given Name William
Relationship to Head son
Sex M
Color / Race White
Age 8
Marital Status Single
Birthplace Minnesota
Father's Birthplace Minnesota
Mother's Birthplace Minnesota
Occupation none
Can Read/Write Yes
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota
1940
Todd-County, Minnesota
Son, age 18
Todd-County, Minnesota · implied b. ~1922 — 8 household members
Surname John
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 18
Marital Status Single
Birthplace Minnesota
1935 Residence (City) Hartford Township
1935 Residence (County) Todd
Occupation Laborer
Industry Farm
Class of Worker NP
Hours Worked 70
Income (1939) 0
Highest Grade No 7
1935 Residence Same place
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota

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 William John across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William John
Son · 1940 · age 18 · b. ~1922 · Minnesota
★ You are viewing this record
Sibling
Anthony John
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary John
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice John
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph John
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Methody John
Sibling · 1940 · age 17
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 — Todd-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01964-00330)

Line Name Age Relation Occupation Birthplace
41 Edward Theffoath 49 Head Farmer Minnesota
42 Katherine Theffoath 47 Wife — Minnesota
43 Julene Theffoath 13 Daughter — Minnesota
44 Frederick Theffoath 11 Son — Minnesota
45 Eva Ann Theffoath 9 Daughter — Minnesota
46 Margaret Grayne 52 Head — Minnesota
47 Thomas Grayne 29 Son Laborer Minnesota
48 Patricia Grayne 20 Daughter — Minnesota
49 Leo Grayne 18 Son Laborer Minnesota
50 Leo Bonaire 39 Head Farmer Minnesota
51 Gertrude Bonaire 33 Wife — Minnesota
52 Richard Bonaire 9 Son — Minnesota
53 Joseph Bonaire 8 Son — Minnesota
54 Lucile Bonaire 0 Daughter — Minnesota
55 Thenay Infield 39 Head Farmer Minnesota
56 Mary Infield 34 Wife — Minnesota
57 Lorraine Infield 9 Daughter — Minnesota
58 Eugene Infield 7 Son — Minnesota
59 Margie Infield 3 Daughter — Minnesota
60 George Infield 1 Son — Minnesota
61 Peter John 45 Head Farmer Minnesota
62 Francis John 40 Wife — Minnesota
63 William John THIS PERSON 18 Son Laborer Minnesota
64 Methody John 17 Son Laborer Minnesota
65 Bernice John 14 Daughter — Minnesota
66 Joseph John 12 Son — Minnesota
67 Mary John 11 Daughter — Minnesota
68 Anthony John 8 Son — Minnesota
69 Henry Fordley 79 Head — Wisconsin
70 Minnie Fordley 52 Wife Farmer Minnesota
71 Tony Teratella 34 Head Farmer Minnesota
72 Leonarda Teratella 28 Wife — Minnesota
73 Mary Matzek 60 Head — Germany
74 Isadore Distel 24 Head Farmer Minnesota
75 Frank Sommerer 53 Head Farmer Minnesota
76 Mary Sommerer 41 Wife — Minnesota
77 Jerome Sommerer 16 Son Laborer Minnesota
78 Roland Sommerer 14 Son — Minnesota
79 Frank Sommerer 12 Son — Minnesota
80 Rosina Sommerer 8 Daughter — Minnesota

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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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