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John Flynn — 1940 US Census Record

Model Tree available

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

Our Model Tree links this John Flynn across the 1910, 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Thomas & Stephen — first a son (b.~1910), then head of a 4-person household.

Age 30 b. ~1910 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationKings-County, New York
SurnameFlynn
Given NameJohn J.
Relationship to HeadSon
SexM
Color / RaceWhite
Age30
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Brooklyn Borough
1935 Residence (County)Kings
Additional Details
OccupationPrinter
IndustryContractor
Class of WorkerPW
Hours Worked0
Income (1939)0
Highest GradeH 1
1935 ResidenceSame Place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationPrinter
Township / WardBrooklyn Borough
Est. Birth Year~1910

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
Stephen Flynn Head — 59 ~1881
John Flynn Son — 30 ~1910
Stephen Flynn Son — 32 ~1908
Mary Flynn Spouse — 55 ~1885

Census Appearances

1910
Kings, New …
Son, age 1
Kings, New York · implied b. ~1909 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Flynn
Given Name John J.
Relationship to Head Son
Sex M
Color / Race White
Age 1
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
1920
Kings, New …
Son, age 10
Kings, New York · implied b. ~1910 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Flynn
Given Name John J
Relationship to Head Son
Sex M
Color / Race White
Age 10
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Kings, New …
Son, age 20
Kings, New York · implied b. ~1910 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Flynn
Given Name John J.
Relationship to Head Son
Sex M
Color / Race White
Age 20
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Mechanic Helper
Industry Gas Company
Class of Worker W
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Kings-County, New …
Son, age 30
Kings-County, New York · implied b. ~1910 — 4 household members
Surname Flynn
Given Name John J.
Relationship to Head Son
Sex M
Color / Race White
Age 30
Marital Status Single
Birthplace New York
1935 Residence (City) Brooklyn Borough
1935 Residence (County) Kings
Occupation Printer
Industry Contractor
Class of Worker PW
Hours Worked 0
Income (1939) 0
Highest Grade H 1
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.
Model Tree available
Our Model Tree links John Flynn across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Flynn (~0.92 confidence) and father Stephen Flynn (~0.92 confidence) and father Thomas Flynn (~0.92 confidence) and mother Ellen Flynn (~0.92 confidence) and mother Mary Flynn (~0.92 confidence) and mother Helen Flynn (~0.92 confidence) and mother Mary Flynn (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Thomas Flynn
b. ~1882
Source father
● Household · direct · ~0.92
Father
Stephen Flynn
b. ~1882
Source father
● Household · direct · ~0.92
Father
Thomas Flynn
b. ~1882
Source father
● Household · direct · ~0.92
Mother
Ellen Flynn
b. ~1885
Source mother
● Household · direct · ~0.92
Mother
Mary Flynn
b. ~1885
Source mother
● Household · direct · ~0.92
Mother
Helen Flynn
b. ~1886
Source mother
● Household · direct · ~0.92
Mother
Mary Flynn
b. ~1886
Source mother
● Household · direct · ~0.92
This person
Anchor record
John Flynn
Son · 1940 · age 30 · b. ~1910 · New York
★ You are viewing this record
Sibling
Stephen Flynn
Sibling · 1940 · age 32
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 — Kings-County, New York Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-02573-00679)

Line Name Age Relation Occupation Birthplace
41 Ethel Kottmann 30 Daughter Statistician New York
42 Lillian Kottmann 17 Daughter — New York
43 Alfred Alava 42 Head Manager Finland
44 Ida Alava 40 Wife Stenographer New Jersey
45 John Johnson 37 Son-in-law Manager New York
46 Charles Johnson 27 Brother-in-law Electrical Engineer New York
47 Frances Hawicki 65 Head — Poland
48 Mary Hawicki 37 Daughter Lady New York
49 John Hawicki 35 Son Mechanical Engineer New York
50 Alfred Belka 36 Head Bartender Vermont
51 Mae Belka 35 Wife Accountant New York
52 Donald Belka 3 Son — New York
53 Bridget O'Leary 59 Mother-in-law — Eire
54 Dorothy O'Leary 27 Sister-in-law — New York
55 Julia Grimes 57 Aunt-in-law — Eire
56 V. Edward Caselnova 39 Head Medical Doctor New York
57 Catherine Caselnova 29 Wife — New York
58 V. Edward Caselnova 3 Son — New York
59 Martin Caselnova 2 Son — New York
60 Kenneth Caselnova 0 Son — New York
62 Stephen H. Flynn 59 Head Painter New York
63 Mary E. Flynn 55 Wife — New York
64 Stephen J. Flynn 32 Son Technical Engineer New York
65 John J. Flynn THIS PERSON 30 Son Printer New York
66 Bertel Klee 49 Head Broker And Agent California
67 Eleanor Klee 49 Wife Ticket Agent Eire
68 Barry Klee 22 Son Typist New York
69 Fred Klee 21 Son Clerk New York
70 Eleanor Klee 16 Daughter — New York
71 Gerald Klee 13 Son — New York
72 John E. Dowd 33 Head Manager Eire
73 Julia M. Dowd 30 Wife — Eire
74 Caja Brawley 59 Head Cutter Denmark
75 Olga Berglund 68 Sister Crocheter Denmark
76 Otto C. Larkin 50 Head Inspector New York
77 Helen M. Larkin 52 Wife — Norway
78 Ruth M. Larkin 24 Daughter — New York
79 Walter D. Larkin 23 Son Painter New York
80 Helen M. Larkin 21 Daughter Capper New York

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Pedigree Summary

John + 1 sibling
Gen 1 · 7 parents ~0.92
Max depth 4 (1900–1950 window)

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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