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John Byrne — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hudson-County, New Jersey

Our Model Tree links this John Byrne across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 9-person household.

Age 17 b. ~1923 Male Son Born: New Jersey Single

1940 Census Record Details

Census Year1940
LocationHudson-County, New Jersey
SurnameByrne
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceNew Jersey
1935 Residence (City)Jersey City
1935 Residence (County)Hudson
Additional Details
Highest GradeH-3
1935 ResidenceSame Place
Birth StateNew Jersey
Birth CountryUnited States
Birthplace (normalized)new jersey
Township / WardJersey City
Est. Birth Year~1923

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
Frederick Byrne Son — 14 ~1926
John Byrne Son — 17 ~1923
Marlene Byrne Daughter — 6 ~1934
Thomas Byrne Son — 21 ~1919
Joseph Byrne Son — 10 ~1930
George Byrne Son — 20 ~1920
Mabel Byrne Spouse — 47 ~1893
Thomas Byrne Head — 51 ~1889
William Byrne Son — 24 ~1916

Census Appearances

1930
Hudson, New …
Son, age 5
Hudson, New Jersey · implied b. ~1925 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Byrnes
Given Name John Jr.
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace New Jersey
Father's Birthplace New York
Mother's Birthplace New Jersey
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey
1940
Hudson-County, New …
Son, age 17
Hudson-County, New Jersey · implied b. ~1923 — 9 household members
Surname Byrne
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace New Jersey
1935 Residence (City) Jersey City
1935 Residence (County) Hudson
Highest Grade H-3
1935 Residence Same Place
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey

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 Byrne across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Byrne
Son · 1940 · age 17 · b. ~1923 · New Jersey
★ You are viewing this record
Sibling
William Byrne
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marlene Byrne
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Byrne
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Byrne
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Byrne
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Byrne
Sibling · 1940 · age 20
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 — Hudson-County, New Jersey Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02401-00553)

Line Name Age Relation Occupation Birthplace
1 Henry Riegler 4 Son — New Jersey
2 Thomas Byrne 51 Head Laborer New York
3 Mabel Byrne 47 Wife — New Jersey
4 William Byrne 24 Son Painter New Jersey
5 Thomas Byrne 21 Son — New Jersey
6 George Byrne 20 Son Laborer New Jersey
7 John Byrne THIS PERSON 17 Son — New Jersey
8 Frederick Byrne 14 Son — New Jersey
9 Joseph Byrne 10 Son — New Jersey
10 Marlene Byrne 6 Daughter — New Jersey
11 Lilly Schopper 49 Head Cook New York
12 William Schopper 11 Son — New Jersey
13 William Musieri 48 Boarder Manager New Jersey
14 Frank Byrne 35 Head Laborer Eire
15 Mary Byrne 33 Wife — Eire
16 Mary Byrne 9 Daughter — Illinois
17 Michael Byrne 8 Son — Illinois
18 Margaret Byrne 4 Daughter — New Jersey
19 Barbara Ruca 60 Head — Lithuania
20 Joseph Ruca 28 Son Electrician New Jersey
21 Stanley Giebkowski 47 Head Foreman New York
22 Frances Giebkowski 47 Wife — Poland
23 Frances Giebkowski 24 Daughter Bushel Girl New Jersey
24 John Giebkowski 22 Son Cattle Chaser New Jersey
25 Edwin Giebkowski 19 Son — New Jersey
26 Josephine Giebkowski 17 Daughter — New Jersey
27 Gertrude Giebkowski 15 Daughter — New Jersey
28 Chester Giebkowski 13 Son — New Jersey
29 Joseph Giebkowski 11 Son — New Jersey
30 William Kozuch 29 Son-in-law Ice & Coal New York
31 Helen Kozuch 26 Daughter Bushel Girl New Jersey
32 William Kozuch 4 Grandson — New Jersey
33 Roscoe Winnie 49 Head Train Engineer New York
34 Anna Winnie 47 Wife — New Jersey
35 Claude Winnie 27 Son Clerk New Jersey
36 Mercedes Winnie 15 Daughter — New Jersey
37 Frederick Kot 38 Head Elevator Operator New Jersey
38 Blanche Kot 24 Wife — New Jersey
39 Elizabeth Cahill 64 Head — New York
40 William Cahill 38 Son Lawyer New Jersey

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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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