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John Kaiser — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Erie-County, New York

Our Model Tree links this John Kaiser across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 6-person household.

Age 19 b. ~1921 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationErie-County, New York
SurnameKaiser
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age19
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Buffalo city
1935 Residence (County)Erie
Additional Details
OccupationNew Worker
Hours Worked0
Income (1939)0
Highest GradeNo 8
1935 ResidenceSame house
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationNew Worker
Township / WardBuffalo 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.

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

Name Relation to head Relative to John Age Birth yr
John Kaiser Son — 19 ~1921
Evelyn Kaiser Daughter — 16 ~1924
Doris Kaiser Daughter — 11 ~1929
John Kaiser Head — 45 ~1895
Martha Kaiser Spouse — 44 ~1896
Nelson Kaiser Son — 21 ~1919

Census Appearances

1930
Erie, New …
Son, age 10
Erie, New York · implied b. ~1920 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kaiser
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 10
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace Irish Free State
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Erie-County, New …
Son, age 19
Erie-County, New York · implied b. ~1921 — 6 household members
Surname Kaiser
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 19
Marital Status Single
Birthplace New York
1935 Residence (City) Buffalo city
1935 Residence (County) Erie
Occupation New Worker
Hours Worked 0
Income (1939) 0
Highest Grade No 8
1935 Residence Same house
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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 Kaiser across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kaiser
Son · 1940 · age 19 · b. ~1921 · New York
★ You are viewing this record
Sibling
Evelyn Kaiser
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelson Kaiser
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Kaiser
Sibling · 1940 · age 11
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 — Erie-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02830-00279)

Line Name Age Relation Occupation Birthplace
41 Fanny Maciejewski 32 Wife Presser Operator New York
42 Edward Maciejewski 10 Son — New York
43 Joseph Mazurczak 61 Head — Poland
44 Mary Mazurczak 60 Wife — Poland
45 Frank Mazurczak 40 Son Inspector New York
46 Edward Mazurczak 30 Son Mill Man New York
47 Charlotte Mazurczak 28 Daughter Tailoress New York
48 Angeline Mazurczak 26 Daughter Wholesale Meat Packer New York
49 Philip Mazurczak 22 Son Laborer New York
50 Florence Mazurczak 19 Daughter New Worker New York
51 Bernard Mazurczak 17 Son New Worker New York
52 Delores Mazurczak 8 Daughter — New York
53 John Kaiser 45 Head Baker New York
54 Martha Kaiser 44 Wife — New York
55 Nelson Kaiser 21 Son Baker New York
56 John Kaiser THIS PERSON 19 Son New Worker New York
57 Evelyn Kaiser 16 Daughter New Worker New York
58 Doris Kaiser 11 Daughter — New York
59 Karl Greulich 39 Head Tinsmith Germany
60 Anna Greulich 32 Wife — Germany
61 Gilbert Kennel 48 Head Papercutter New York
62 Florence Kennel 45 Wife — New York
63 Edgar Kennel 26 Son Auto Mobile Accessories Sales New York
64 Gilbert Jr. Kennel 21 Son New Worker New York
65 Margaret Kennel 20 Daughter General Factory Work New York
66 Marie Kennel 17 Daughter New Worker New York
67 John Kennel 6 Son — New York
68 Alex Scypikowski 50 Head Cupola Tender Poland
69 Charlotte Scypikowski 45 Wife Dishwasher New York
70 Mary Karmolinski 46 Head Seamstress New York
71 Gene Karmolinski 22 Son Tool Control New York
72 Alice Karmolinski 18 Daughter Saleswoman New York
73 Elmer Jank 39 Head Steel Worker New York
74 Mildred Jank 36 Wife Package Clerk New York
75 John Bogulski 52 Head Skilled Labor New York
76 Walter Bogulski 41 Cousin Salesman New York
77 Catherine Buss 63 Head Seamstress New York
78 Charles Beyer 69 Head — Germany
79 Anna Beyer 63 Wife — Germany
80 Guy Sulpizio 30 Head Welder Italy

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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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