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John Decker — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Decker across the 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.

Age 17 b. ~1923 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationMonroe-County, New York
SurnameDecker
Given NameJohn
Relationship to Headson
SexM
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Rochester City
1935 Residence (County)Monroe
Additional Details
Highest GradeH 2
1935 ResidenceSame house
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardRochester 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.

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

Name Relation to head Relative to John Age Birth yr
Margaret Decker Daughter — 21 ~1919
Mary Decker Daughter — 13 ~1927
Lawrence Decker Son — 7 ~1933
Walter Decker Head — 48 ~1892
John Decker Son — 17 ~1923
Walter Decker Son — 16 ~1924
Donald Decker Son — 11 ~1929
Mary Decker Spouse — 48 ~1892

Census Appearances

1930
Monroe, New …
Son, age 7
Monroe, New York · implied b. ~1923 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Decker
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Monroe-County, New …
Son, age 17
Monroe-County, New York · implied b. ~1923 — 8 household members
Surname Decker
Given Name John
Relationship to Head son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace New York
1935 Residence (City) Rochester City
1935 Residence (County) Monroe
Highest Grade H 2
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 Decker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Decker
Son · 1940 · age 17 · b. ~1923 · New York
★ You are viewing this record
Sibling
Donald Decker
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Decker
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Decker
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Decker
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Decker
Sibling · 1940 · age 7
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 — Monroe-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02852-00211)

Line Name Age Relation Occupation Birthplace
41 Irene Maratta 16 daughter — New York
42 Thaddeus Pogoda 25 head Salesman New York
43 Dorothy Pogoda 23 wife — Canada
44 Dennis Pogoda 1 son — New York
45 Krel Fortuin 56 head Salesman Netherlands
46 Hermina Fortuin 57 wife — Michigan
47 Nicholas Fortuin 21 son Salesman New Jersey
48 Lyell O. Storer 55 head Mac Eng New York
49 Millicent Storer 51 wife — New York
50 Winifred Storer 22 daughter — New York
51 Phoebe Dickinson 70 head — New York
52 Roy Moore 47 nephew Laborer New York
53 E. Alice Moore 42 wife — New York
54 Verne Moore 15 son — New York
55 Walter Ladieu 52 head Painter New York
56 Alice Ladieu 46 wife — New York
57 Geraldine Ladieu 15 daughter — New York
58 Alice Ladieu 9 daughter — New York
59 John Broders 74 head — Germany
60 Ella Broders 54 wife Tailor Germany
61 Guy Nattizer 43 head Shipping Clerk Pennsylvania
62 Salome Stizer 42 wife — New York
63 Elizabeth Papeffer 52 lodger Assembling New York
64 Joseph Chilone 25 lodger Manager New York
65 Adel Boeyink 54 head Foreman New York
66 Blanche Boeyink 53 wife — New York
67 Donald Robicheau 37 son in law Multigraph New York
68 Ruth Robicheau 33 daughter — New York
69 Walter W. Decker 48 head Tool Maker New York
70 Mary Decker 48 wife — New York
71 Margaret Decker 21 daughter — New York
72 John Decker THIS PERSON 17 son — New York
73 Walter Jr. Decker 16 son — New York
74 Mary Decker 13 daughter — New York
75 Donald Decker 11 son — New York
76 Lawrence Decker 7 son — New York
77 Elmer Rockwood 60 head Lockmaker New York
78 Evelyn Rockwood 52 sister Chambermaid New York
79 Harry Van Reypen 42 lodger — New Jersey
80 Walter Nowak 40 head Bus Driver New York

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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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