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Frank Kowalski — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Queens, New York

Our Model Tree links this Frank Kowalski across the 1920 and 1930 US Censuses in Queens, New York (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 12-person household.

Age 25 b. ~1905 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationQueens, New York
SurnameKOWALSKI
Given NameFRANK JR
Relationship to HeadSon
SexM
Color / RaceWhite
Age25
Marital StatusSingle
BirthplaceNew York
Father's BirthplacePoland
Mother's BirthplacePoland
Additional Details
OccupationLaborer
IndustryMalleable Iron
Class of WorkerW
Can Read/WriteYes
VeteranNo
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationLaborer
Township / WardNew York City
Est. Birth Year~1905

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.

12 people recorded at the same address in the 1930 census.

Name Relation to head Relative to Frank Age Birth yr
Mary Kowalski Daughter — 10 ~1920
Frank Kowalski Son — 25 ~1905
Joseph Kowalski Son — 6 ~1924
Anna Kowalski Spouse — 55 ~1875
John Kowalski Son — 23 ~1907
Edward Kowalski Son — 21 ~1909
Stanley Kowalski Son — 8 ~1922
Frank Kowalski Head — 57 ~1873
Anna Kowalski Daughter — 4 ~1926
Stanley Kowalski Son — 11 ~1919
Alice Kowalski Daughter — 14 ~1916
Helen Kowalski Daughter — 18 ~1912

Census Appearances

1920
Queens, New …
Son, age 16
Queens, New York · implied b. ~1904 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kowalski
Given Name Frank
Relationship to Head Son
Sex M
Color / Race White
Age 16
Marital Status Single
Birthplace New York
Father's Birthplace Poland
Mother's Birthplace Poland
Occupation Plumber
Industry Foundry
Class of Worker W
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Queens, New …
Son, age 25
Queens, New York · implied b. ~1905 — 12 household members
Surname KOWALSKI
Given Name FRANK JR
Relationship to Head Son
Sex M
Color / Race White
Age 25
Marital Status Single
Birthplace New York
Father's Birthplace Poland
Mother's Birthplace Poland
Occupation Laborer
Industry Malleable Iron
Class of Worker W
Can Read/Write Yes
Veteran No
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 Frank Kowalski across 2 US Census years (1920 and 1930) in Queens, New York, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Kowalski
Son · 1930 · age 25 · b. ~1905 · New York
★ You are viewing this record
Sibling
Helen Kowalski
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kowalski
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kowalski
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Kowalski
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Kowalski
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Kowalski
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kowalski
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Kowalski
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Kowalski
Sibling · 1930 · age 4
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

1930 US Federal Census — Queens, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newjerseycensus00reel1375:0987)

Line Name Age Relation Occupation Birthplace
1 Charles Willson 45 Head Carpenter New York State
2 Charlotte Willson 44 Wife — New York State
3 Charles Jr Willson 19 Son Machinist New York State
4 Ruth Willson 17 Daughter — New York State
5 Mildred Willson 15 Daughter — New York State
6 Dorothy Willson 13 Daughter — New York State
7 Alfred Hart 40 Head Laborer Ireland
8 Annie Hart 40 Wife — Ireland
9 Alfred Jr Hart 13 Son — New York
10 Margaret Hart 11 Daughter — New York
11 Catherine Hart 5 Daughter — New York
12 Mary Hart 3 Daughter — New York
13 John Hart 1 Son — New York
14 George Booth 33 Head Machinist Austria
15 Mary Booth 32 Wife — Austria
16 George Jr Booth 8 Son — New York
17 Joseph Booth 5 Son — New York
18 Anna Booth 3 Daughter — New York
19 Frank Booth 1 Son — New York
20 Frank Kowalski 57 Head Laborer Poland
21 Anna Kowalski 55 Wife — Poland
22 Frank Jr Kowalski THIS PERSON 25 Son Laborer New York
23 John Kowalski 23 Son Laborer New York
24 Edward Kowalski 21 Son Laborer New York
25 Helen Kowalski 18 Daughter — New York
26 Alice Kowalski 14 Daughter — New York
27 Stanley Kowalski 11 Son — New York
28 Mary Kowalski 10 Daughter — New York
29 Stanley Kowalski 8 Son — New York
30 Joseph Kowalski 6 Son — New York
31 Anna Kowalski 4 Daughter — New York
32 John Kowalski 37 Head Laborer Poland
33 Mary Kowalski 32 Wife — Poland
34 Walter Kowalski 13 Son — New York
35 John Jr Kowalski 11 Son — New York
36 Frank Kowalski 8 Son — New York
37 Anna Kowalski 6 Daughter — New York
38 Joseph Kowalski 4 Son — New York
39 Helen Kowalski 2 Daughter — New York
40 Sophie Kowalski 1 Daughter — New York
41 Stanley Kowalski 0 Son — New York
42 Stan Svipok 44 Head Laborer Poland
43 Katie Svipok 44 Wife — Poland
44 Olga Hook 20 Daughter — Poland
45 Paul Vanish 42 Lodger Laborer Poland
46 Mary Vanish 38 Lodger — Poland
47 John Vanish 12 Lodger — New York
48 Anna Vanish 10 Lodger — New York
49 Joseph Vanish 8 Lodger — New York
50 Helen Vanish 6 Lodger — New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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