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John Kirby — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Kirby across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 9-person household.

Age 45 b. ~1895 Male Head Born: New York Married

1940 Census Record Details

Census Year1940
LocationWestchester-County, New York
SurnameKirby
Given NameJohn
Relationship to HeadHead
SexM
Color / RaceWhite
Age45
Marital StatusMarried
BirthplaceNew York
1935 Residence (City)Rye village
1935 Residence (County)Westchester
Additional Details
OccupationPlumber
IndustryConstruction company
Class of WorkerPW
Income (1939)0
Highest GradeNo 8
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationPlumber
Township / WardRye Village
Est. Birth Year~1895

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
Marion Kirby Spouse — 45 ~1895
Thomas Kirby Son — 10 ~1930
John Kirby Head — 45 ~1895
Marion Kirby Daughter — 16 ~1924
Charles Kirby Son — 18 ~1922
Joan Kirby Daughter — 7 ~1933
George Kirby Son — 12 ~1928
John Kirby Son — 14 ~1926
Adelaide Kirby Daughter — 22 ~1918

Census Appearances

1930
Westchester, New …
Other, age 35
Westchester, New York · implied b. ~1895 — 11 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kirby
Given Name John D.
Relationship to Head O
Sex M
Color / Race White
Age 35
Marital Status Married
Birthplace New York
Age at First Marriage 23
Father's Birthplace New York
Mother's Birthplace Ireland
Occupation Police Chief
Industry Police Department
Class of Worker W
Can Read/Write Yes
Home Owned/Rented 25000
Radio Set no
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Westchester-County, New …
Head, age 45
Westchester-County, New York · implied b. ~1895 — 9 household members
Surname Kirby
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 45
Marital Status Married
Birthplace New York
1935 Residence (City) Rye village
1935 Residence (County) Westchester
Occupation Plumber
Industry Construction company
Class of Worker PW
Income (1939) 0
Highest Grade No 8
1935 Residence Same place
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.
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This person
Anchor record
John Kirby
Head · 1940 · age 45 · b. ~1895 · New York
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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

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

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-02813-00070)

Line Name Age Relation Occupation Birthplace
1 Ramee Martin 36 Wife Interior Decorator New York
2 Celeste Martin 14 Daughter — New York
3 Robert D. Dousman 19 Nephew Waiter New York
4 Anna Knobel 51 Servant General Maid Germany
5 Frank Squier 58 Head Wholesale Paper Merchant New York
6 Florence H. Squier 56 Wife — New Jersey
7 Florence A. Garnsey 68 Sister — New York
8 Wanda Jarocka 27 Sister-in-law Practical Nurse Massachusetts
9 Anna Williams 59 Servant General Maid Germany
10 Alexander M. Grean 34 Head Corporation Lawyer New York
11 Muriel Grean 26 Wife — Connecticut
12 Michael Grean 2 Son — New York
13 Mary Cuskey 51 Servant General Maid Virginia
15 Manuel Boccini 49 Head Proprietor Italy
16 Jeanne Boccini 47 Wife — Monaco
17 Gloria Boccini 15 Daughter — New York
18 Manuel Jr. Boccini 5 Son — France
19 Hjalmar Syverson 44 Head Ship Broker Norway
20 Eleanor Syverson 40 Wife — New York
21 Hjalmar Jr. Syverson 12 Son — New York
22 John Gordon 29 Head Radio Producer New Jersey
23 Nan Gordon 24 Wife — New York
24 Whitney Ann Gordon 1 Daughter — New York
25 Herbert Joyce 45 Head Mechanical Engineer England
26 Ida Joyce 45 Wife — England
27 Twedbury Joyce 12 Son — New York
28 Frank Walters 32 Head Post Office Clerk New York
29 Pauline Walters 31 Wife — New Jersey
30 Elaine Walters 7 Daughter — Connecticut
31 Priscilla Walters 5 Daughter — Connecticut
32 John Kirby THIS PERSON 45 Head Plumber New York
33 Marion Kirby 45 Wife — New York
34 Adelaide L. Kirby 22 Daughter Telephone Operator New York
35 Charles James Kirby 18 Son — New York
36 Marion E. Kirby 16 Daughter — New York
37 John A. Kirby 14 Son — New York
38 George J. Kirby 12 Son — New York
39 Thomas Kirby 10 Son — New York
40 Joan Kirby 7 Daughter — New York

Related Census Records

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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