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John Kirby — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Kirby across the 1930 and 1940 US Censuses in Orleans-County, New York (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.

Age 13 b. ~1927 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationOrleans-County, New York
SurnameKirby
Given NameJohn D.
Relationship to HeadSon
SexM
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Gaines
1935 Residence (County)Orleans
Additional Details
Highest Grade4
1935 ResidenceSame house
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardGaines
Est. Birth Year~1927

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
George Kirby Son — 18 ~1922
Ellen Kirby Daughter — 15 ~1925
John Kirby Son — 13 ~1927
Betty Kirby Daughter — 8 ~1932
Francis Kirby Daughter — 22 ~1918
Robert Kirby Son — 20 ~1920
Louise Kirby Spouse — 54 ~1886
Dennis Kirby Head — 65 ~1875

Census Appearances

1930
Orleans, New …
Son, age 3
Orleans, New York · implied b. ~1927 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kirby
Given Name John
Relationship to Head son
Sex M
Color / Race White
Age 3
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read/Write No
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Orleans-County, New …
Son, age 13
Orleans-County, New York · implied b. ~1927 — 8 household members
Surname Kirby
Given Name John D.
Relationship to Head Son
Sex M
Color / Race White
Age 13
Marital Status Single
Birthplace New York
1935 Residence (City) Gaines
1935 Residence (County) Orleans
Highest Grade 4
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 Kirby across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kirby
Son · 1940 · age 13 · b. ~1927 · New York
★ You are viewing this record
Sibling
Francis Kirby
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Kirby
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Kirby
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kirby
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Kirby
Sibling · 1940 · age 15
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 — Orleans-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02713-00305)

Line Name Age Relation Occupation Birthplace
41 Virginia T. Treat 19 Wife Housework New York
42 Howard R. Treat 0 Son — New York
43 Jennie Caldwell 58 Wife — New York
44 Willard Caldwell 59 Head Farmer New York
45 M. Annette Caldwell 30 Daughter-in-law Cashier New York
46 Barbara Caldwell 9 Granddaughter — New York
47 Waldo Caldwell 7 Grandson — New York
48 Martin F. Kaminski 26 Head Farm Laborer New York
49 Jennie M. Kaminski 25 Wife — New York
50 David M. Kaminski 1 Son — New York
51 Josephine Kaminski 53 Mother — New York
52 Anthony Kaminski 55 Brother — Germany
53 Arthur Kaminski 15 Brother — New York
54 Martha Kaminski 12 Sister — New York
55 Dennis F. Kirby 65 Head Farmer South Ireland
56 Louise M. Kirby 54 Wife — New York
57 Francis D. Kirby 22 Daughter — New York
58 Robert M. Kirby 20 Son Farmer New York
59 George E. Kirby 18 Son — New York
60 Ellen L. Kirby 15 Daughter — New York
61 John D. Kirby THIS PERSON 13 Son — New York
62 Betty A. Kirby 8 Daughter — New York
63 Henry Horack 56 Head Farm Laborer New York
64 Edward C. Chapman 56 Head Farmer New York
65 Sadie B. Chapman 58 Wife — New York
66 Edmund J. Chapman 25 Head Farmer New York
67 Margaret F. Chapman 24 Wife — New York
68 Thomas E. Lamont 34 Head Extension Teacher New York
69 Mary S. Lamont 28 Wife — New York
70 George F. Lamont 3 Son — New York
71 Marjorie E. Lamont 1 Daughter — New York
72 Homer J. Dawley 30 Head Farm Labor New York
73 Ina H. Dawley 27 Wife — New York
74 Raymond E. Dawley 7 Son — New York
75 Beverley A. Dawley 5 Daughter — New York
76 Marvin F. Dawley 4 Son — New York
77 Melvin H. Dawley 3 Son — New York
78 Darwin R. Dawley 1 Son — New York
79 Joyce M. Dawley 0 Daughter — New York
80 Charles H. Rhodes 48 Head Farm Laborer 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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