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John Hopkins — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Hopkins across the 1920, 1930 and 1940 US Censuses in Cortland-County, New York (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 4-person household.

Age 75 b. ~1865 Male Head Born: New York Married

1940 Census Record Details

Census Year1940
LocationCortland-County, New York
SurnameHopkins
Given NameJohn
Relationship to Headhead
SexM
Color / RaceWhite
Age75
Marital StatusMarried
BirthplaceNew York
1935 Residence (City)Willet
1935 Residence (County)Cortland
Additional Details
Highest GradeNo 6
1935 ResidenceSame House
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardWillet
Est. Birth Year~1865

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.

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

Name Relation to head Relative to John Age Birth yr
John Hopkins Head — 75 ~1865
Ellis Hopkins Son — 15 ~1925
Albert Hopkins Son — 17 ~1923
Hattie Hopkins Spouse — 54 ~1886

Census Appearances

1920
Cortland, New …
Head, age 54
Cortland, New York · implied b. ~1866 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Hopkins
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 54
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Laborer
Industry Farm
Class of Worker W
Can Read Yes
Can Write Yes
Speaks English Yes
Home Owned/Rented F
Birth State New York
Birth Country United States
Year of Naturalization O
Birthplace (normalized) new york
1930
Cortland, New …
Head, age 65
Cortland, New York · implied b. ~1865 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Hopkins
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 65
Marital Status Married
Birthplace New York
Age at First Marriage 57
Father's Birthplace New York
Mother's Birthplace New York
Occupation Laborer
Industry Dairyman
Class of Worker W
Can Read/Write Yes
Home Owned/Rented O
Home Value / Rent 1000
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Cortland-County, New …
Head, age 75
Cortland-County, New York · implied b. ~1865 — 4 household members
Surname Hopkins
Given Name John
Relationship to Head head
Sex M
Color / Race White
Age 75
Marital Status Married
Birthplace New York
1935 Residence (City) Willet
1935 Residence (County) Cortland
Highest Grade No 6
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 Hopkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hopkins
Head · 1940 · age 75 · b. ~1865 · New York
★ You are viewing this record
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Cortland-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02520-00956)

Line Name Age Relation Occupation Birthplace
41 Clyde Rice 40 head Laborer New York
42 Ethelyn Rice 36 wife — New York
43 Donald Rice 18 son New Worker New York
44 Catherine Mcbirney 60 head — New York
45 Virgil Ostrander 40 head Proprietor New York
46 Mary Ostrander 44 wife — New York
47 Robert Ostrander 23 son Truck Driver New York
48 Andrew Ostrander 22 son — New York
49 James Ostrander 18 son — Pennsylvania
50 Florence Ostrander 15 daughter — New York
51 Martin Ostrander 25 son Laborer New York
52 Norman Ostrander 17 son — New York
53 Harry Hohn 27 lodger Laborer New York
54 Myrta Meacham 72 head — New York
55 Ray Holtmart 52 head Proprietor New York
56 Ina Holtmart 46 wife — New York
57 Roscoe M. Tennant 57 head — New York
58 Vera B. Tennant 54 wife — New York
59 Minnie E. Jones 78 head — New York
60 Allie P. Ford 65 head Proprietor New York
61 Charles Hathaway 34 head Proprietor New York
62 Mildred Hathaway 32 wife — New York
63 Charles Hathaway 8 son — New York
64 Grace Hollenbeck 42 head Housekeeper New York
65 Florence Palmer 88 head — New York
66 John Loucks 72 head Janitor Pennsylvania
67 Bessie Keator 58 head Telephone Operator New York
68 Allyn C. Gates 33 head Farm Laborer New York
69 Bertha Gates 27 wife — New York
70 Allyn Jr. Gates 9 son — New York
71 Merton Gates 6 son — New York
72 Sandra Gates 3 daughter — New York
73 Harry Hart 42 head Truckman New York
74 Nina Hart 33 wife — New York
75 John Hopkins THIS PERSON 75 head — New York
76 Hattie B. Hopkins 54 wife — New York
77 Albert Hopkins 17 son — New York
78 Ellis Hopkins 15 son — New York
79 Frank Latta 68 head — Missouri
80 Maude Latta 68 wife — Indiana

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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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