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John Boyer — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Van-Buren-County, Iowa

Our Model Tree links this John Boyer across the 1930 and 1940 US Censuses in Van-Buren-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.

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

1940 Census Record Details

Census Year1940
LocationVan-Buren-County, Iowa
SurnameBoyer
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age21
Marital StatusSingle
BirthplaceIowa
1935 Residence (City)Van Buren Twp
1935 Residence (County)Van Buren
Additional Details
OccupationStudent
Class of WorkerPW
Hours Worked40
Income (1939)150
Highest GradeH-4
1935 ResidenceSame place
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
OccupationStudent
Township / WardVan Buren Twp
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.

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

Name Relation to head Relative to John Age Birth yr
Thelma Boyer Spouse — 39 ~1901
Irene Boyer Daughter — 10 ~1930
Herald Boyer Son — 11 ~1929
Marilyn Boyer Daughter — 6 ~1934
Wayne Boyer Son — 13 ~1927
Ester Boyer Daughter — 5 ~1935
John Boyer Son — 21 ~1919
Lawrence Boyer Head — 54 ~1886
Wilma Boyer Daughter — 16 ~1924

Census Appearances

1930
Van Buren, …
Son, age 11
Van Buren, Iowa · implied b. ~1919 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Boyer
Given Name John H
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Can Read/Write Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Van-Buren-County, Iowa
Son, age 21
Van-Buren-County, Iowa · implied b. ~1919 — 9 household members
Surname Boyer
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 21
Marital Status Single
Birthplace Iowa
1935 Residence (City) Van Buren Twp
1935 Residence (County) Van Buren
Occupation Student
Class of Worker PW
Hours Worked 40
Income (1939) 150
Highest Grade H-4
1935 Residence Same place
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa

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 Boyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Boyer
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Wilma Boyer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herald Boyer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ester Boyer
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Boyer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Boyer
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Boyer
Sibling · 1940 · age 6
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 — Van-Buren-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01208-00804)

Line Name Age Relation Occupation Birthplace
1 Chester Brown 49 Head Farmer Iowa
2 Maude Brown 45 Wife H K Iowa
3 Byron Brown 20 Son Laborer Iowa
4 John Brown 16 Son Laborer Iowa
5 Betty Brown 12 Daughter — Iowa
6 Lawrence Boyer 54 Head Farmer Iowa
7 Thelma Boyer 39 Wife H K Iowa
8 John Boyer THIS PERSON 21 Son Student Iowa
9 Wilma Boyer 16 Daughter Student Iowa
10 Wayne Boyer 13 Son — Iowa
11 Herald Boyer 11 Son — Iowa
12 Irene Boyer 10 Daughter — Iowa
13 Marilyn Boyer 6 Daughter — Iowa
14 Ester Boyer 5 Daughter — Iowa
15 Frank Brill 62 Head Farmer Iowa
16 Nissie Brill 61 Wife H K Iowa
17 Clyde Brill 28 Son Laborer Iowa
18 Earl Brill 26 Son Laborer Iowa
19 Joseph Brill 23 Son Laborer Iowa
20 John Brill 61 Brother Farmer Iowa
21 Homer Cole 49 Head Farmer Iowa
22 Hazel Cole 25 Wife H K Iowa
23 Paul Cole 18 Son Laborer Iowa
24 Earnest Cole 17 Son Laborer Iowa
25 Albert Cole 13 Son Laborer Iowa
26 Kathern Cole 9 Daughter — Iowa
27 Bernard Cole 7 Son — Iowa
28 Doris Cole 5 Daughter — Iowa
29 Dorothy Cole 3 Daughter — Iowa
30 Arthur Poling 38 Head Farmer Iowa
31 Etta Poling 32 Wife H K Iowa
32 Mary Poling 9 Daughter — Iowa
33 John Douglas 72 Head Retired Missouri
34 Thad Sheldahl 55 Head Farmer Iowa
35 Helen Sheldahl 53 Wife H K Iowa
36 Otto Thomas 54 Head Farmer Iowa
37 Anna May Thomas 39 Wife H K Iowa
38 Cecil Thomas 26 Son Laborer Iowa
39 Mary Thomas 23 Daughter Stenographer Iowa
40 Ruby Thomas 21 Daughter Helper Iowa

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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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