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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 son (b.~1926), then head of a 9-person household.

Age 14 b. ~1926 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationWestchester-County, New York
SurnameKirby
Given NameJohn A.
Relationship to HeadSon
SexM
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Rye village
1935 Residence (County)Westchester
Additional Details
Class of Worker0
Highest GradeNo 7
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardRye Village
Est. Birth Year~1926

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

Census Appearances

1930
Westchester, New …
Son, age 4
Westchester, New York · implied b. ~1926 — 11 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kirby
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 4
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
Westchester-County, New …
Son, age 14
Westchester-County, New York · implied b. ~1926 — 9 household members
Surname Kirby
Given Name John A.
Relationship to Head Son
Sex M
Color / Race White
Age 14
Marital Status Single
Birthplace New York
1935 Residence (City) Rye village
1935 Residence (County) Westchester
Class of Worker 0
Highest Grade No 7
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.
Show:
This person
Anchor record
John Kirby
Son · 1940 · age 14 · b. ~1926 · New York
★ You are viewing this record
Sibling
Marion Kirby
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Kirby
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kirby
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adelaide Kirby
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Kirby
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Kirby
Sibling · 1940 · age 18
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 — 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 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 THIS PERSON 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

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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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