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John Roche — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Roche across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.

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

1940 Census Record Details

Census Year1940
LocationEssex-County, New Jersey
SurnameRoche
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceNew Jersey
1935 Residence (City)NEWARK
1935 Residence (County)ESSEX
Additional Details
OccupationNo
IndustryNo
Class of WorkerNo
Income (1939)0
Highest GradeNo 8
1935 ResidenceSame place
Birth StateNew Jersey
Birth CountryUnited States
Birthplace (normalized)new jersey
Township / WardNewark
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.

7 people recorded at the same address in the 1940 census.

Name Relation to head Relative to John Age Birth yr
Steven Roche Son — 13 ~1927
Bill Roche Son — 4 ~1936
John Roche Son — 17 ~1923
Dorothy Roche Daughter — 11 ~1929
Rose Roche Head — 49 ~1891
Herbert Roche Son — 16 ~1924
Rose Roche Daughter — 7 ~1933

Census Appearances

1930
Essex, New …
Son, age 8
Essex, New Jersey · implied b. ~1922 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Roche
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 8
Marital Status Single
Birthplace New Jersey
Father's Birthplace New Jersey
Mother's Birthplace New Jersey
Can Read/Write Yes
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey
1940
Essex-County, New …
Son, age 17
Essex-County, New Jersey · implied b. ~1923 — 7 household members
Surname Roche
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace New Jersey
1935 Residence (City) NEWARK
1935 Residence (County) ESSEX
Occupation No
Industry No
Class of Worker No
Income (1939) 0
Highest Grade No 8
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 Roche across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Roche
Son · 1940 · age 17 · b. ~1923 · New Jersey
★ You are viewing this record
Sibling
Dorothy Roche
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Steven Roche
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Roche
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bill Roche
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Roche
Sibling · 1940 · age 7
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 — Essex-County, New Jersey Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02413-00787)

Line Name Age Relation Occupation Birthplace
41 Anna May Williams 24 Wife — Florida
42 Samuel Woodley 21 Head No Georgia
43 Irene Woodley 21 Wife — Georgia
44 Robert Woodley 3 Son — Conn.
45 Robert Smith 52 Head No No. Carolina
46 Roselyn Smith 41 Wife — So. Carolina
47 Emanuel Michal 26 Head No Pennsylvania
48 Earnestine Michal 68 Wife No Missouri
49 Preston Michal 42 Son Operator Kansas
50 Josephine Jacobs 24 Grand-daughter — New Jersey
51 James Cort 14 Adopted Grand-son — New Jersey
52 Joseph Taylor 39 Head Clerk New Jersey
53 Florence Taylor 39 Wife No New Jersey
54 Joseph Taylor 6 Son — New Jersey
55 Charles Heidt 21 Roomer Helper New Jersey
56 Amelia Will 58 Aunt No New Jersey
57 John Sr. Hennessey 55 Head Plater Rhode Island
58 Frances Hennessey 26 Son Toolmaker Mass
59 Edward Hennessey 23 Son Armature Winder Conn
60 John Jr. Hennessey 21 Son Toolmaker New Jersey
61 Joseph Lorenzo 45 Head Laborer Spain
62 Manuel Carreiro 52 Roomer Laborer Spain
63 Vera Mitzel 28 Head Missionary Pennsylvania
64 Sarah Clise 30 Roomer Missionary Maryland
65 Marie Mccubbin 27 Roomer Missionary Pennsylvania
66 Carlson Gunhill 18 Roomer Missionary Sweden
67 Telmo Rotzrigues 42 Head Laborer Portugal
68 Joseph Andrada 40 Roomer Laborer Portugal
69 Julio Marques 43 Roomer Baker Portugal
70 Manuel Cunha 32 Roomer Counter Laborer Portugal
71 Ivaristo Cross 45 Roomer Laborer Portugal
72 Manuel Goncalves 57 Roomer Fireman Portugal
73 Antonio Rodreiges 34 Roomer Laborer Portugal
74 Rose Roche 49 Head No New Jersey
75 John Roche THIS PERSON 17 Son No New Jersey
76 Herbert Roche 16 Son No New Jersey
77 Steven Roche 13 Son — New Jersey
78 Dorothy Roche 11 Daughter — New Jersey
79 Rose Roche 7 Daughter — New Jersey
80 Bill Roche 4 Son — New Jersey

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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