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John Rossi — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lake-County, Indiana

Our Model Tree links this John Rossi across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.

Age 16 b. ~1924 Male Son Born: Indiana Single

1940 Census Record Details

Census Year1940
LocationLake-County, Indiana
SurnameRossi
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age16
Marital StatusSingle
BirthplaceIndiana
1935 Residence (City)East Chicago
1935 Residence (County)Lake
Additional Details
Class of Worker0
Hours Worked0
Highest GradeHs 2
1935 ResidenceSame place
Birth StateIndiana
Birth CountryUnited States
Birthplace (normalized)indiana
Township / WardEast Chicago
Est. Birth Year~1924

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
Jim Rossi Head — 50 ~1890
John Rossi Son — 16 ~1924
Florence Rossi Daughter — 17 ~1923
Mary Rossi Daughter — 12 ~1928
Ester Rossi Daughter — 8 ~1932
Florence Rossi Spouse — 38 ~1902
Alfred Rossi Son — 19 ~1921

Census Appearances

1930
Lake, Indiana
Son, age 5
Lake, Indiana · implied b. ~1925 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Rossi
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace Indiana
Father's Birthplace Italy
Mother's Birthplace Italy
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana
1940
Lake-County, Indiana
Son, age 16
Lake-County, Indiana · implied b. ~1924 — 7 household members
Surname Rossi
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 16
Marital Status Single
Birthplace Indiana
1935 Residence (City) East Chicago
1935 Residence (County) Lake
Class of Worker 0
Hours Worked 0
Highest Grade Hs 2
1935 Residence Same place
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana

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 Rossi across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Rossi
Son · 1940 · age 16 · b. ~1924 · Indiana
★ You are viewing this record
Sibling
Florence Rossi
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ester Rossi
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Rossi
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Rossi
Sibling · 1940 · age 19
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 — Lake-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01065-00748)

Line Name Age Relation Occupation Birthplace
1 Sebastian Toth 65 Head Laborer Hungary
2 Irene Toth 30 Daughter Waitress Indiana
3 William Toth 22 Son Laborer Indiana
4 Vincent Toth 20 Son Laborer Indiana
5 Earl Gruener 31 Head Locomotive Fireman Indiana
6 Ann Gruener 29 Wife Waitress Indiana
7 James Gruener 7 Son — Indiana
8 Vincenzo Giglia 73 Head — Italy
9 Rose Giglia 74 Wife — Italy
10 Mitro Tokar 43 Head Laborer Czechoslovakia
11 Anna Tokar 35 Wife — Czechoslovakia
12 Helen Tokar 13 Daughter — Indiana
13 Steve Adamcik 69 Head — Slovakia
14 Mary Adamcik 64 Wife — Slovakia
15 Mary Jane Adamcik 31 Daughter Photo Finisher Pennsylvania
16 Helen A. Adamcik 29 Daughter Photo Finisher Pennsylvania
17 George Anna Adamcik 11 Granddaughter — Indiana
18 Logan Parr 30 Head Pressure Still Operator Illinois
19 Velma S. Parr 24 Wife — Ohio
20 Morna Lee Parr 1 Daughter — Indiana
21 Norma Lou Parr 1 Daughter — Indiana
22 Joseph Gorny 22 Head Molder Illinois
23 Mary Gorny 21 Wife Presser Power Machine Indiana
24 Sam Valuch 31 Head Mill Recorder Indiana
25 Sylvia Valuch 25 Wife — Indiana
26 Kathleen Valuch 1 Daughter — Indiana
27 Jim Rossi 50 Head Laborer Italy
28 Florence Rossi 38 Wife — Italy
29 Alfred Rossi 19 Son Laborer Indiana
30 Florence Rossi 17 Daughter — Pennsylvania
31 John Rossi THIS PERSON 16 Son — Indiana
32 Mary Ann Rossi 12 Daughter — Indiana
33 Ester Rossi 8 Daughter — Indiana
34 James C. Stull 34 Head Police Radio Supervisor Pennsylvania
35 Marian Stull 33 Wife — Indiana
36 Jean Camille Stull 9 Daughter — Indiana
37 James Francis Stull 8 Son — Indiana
38 Mary Celeste Stull 5 Daughter — Indiana
39 Aloysius Mackowiak 46 Brother-in-law Machinist Illinois
40 Lillian Mackowiak 28 Sister-in-law — Indiana

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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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