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John Rossi — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Rossi across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Rossi |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1928 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Rossi | Son | — | 12 | ~1928 |
| Frances Rossi | Daughter | — | 14 | ~1926 |
| Palma Rossi | Spouse | — | 40 | ~1900 |
| Lucile Rossi | Daughter | — | 15 | ~1925 |
| Mariano Rossi | Head | — | 49 | ~1891 |
Census Appearances
1930
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rose |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 12
Cook-County, Illinois · implied b. ~1928 — 5 household members
| Surname | Rossi |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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.
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 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Lucile Rossi
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Rossi
Sibling · 1940 · age 14
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00975-00909)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Salvatore Difatta | 44 | Head | Laborer | Italy |
| 3 | Mary Difatta | 33 | Wife | — | Mississippi |
| 4 | Salvatore Difatta | 14 | Son | — | Illinois |
| 5 | Lucy Difatta | 13 | Daughter | — | Illinois |
| 6 | Vincent Difatta | 11 | Son | — | Illinois |
| 7 | Pasquale Difatta | 10 | Son | — | Illinois |
| 8 | Virginia Disalvo | 30 | Head | — | Italy |
| 9 | Joseph Disalvo | 11 | Son | — | Illinois |
| 10 | Carmela Disalvo | 10 | Daughter | — | Illinois |
| 11 | John Disalvo | 9 | Son | — | Illinois |
| 12 | Vito Disalvo | 8 | Son | — | Illinois |
| 13 | Anthony Disalvo | 6 | Son | — | Illinois |
| 14 | Donald Disalvo | 3 | Son | — | Illinois |
| 15 | Mariano Rossi | 49 | Head | Presser | Italy |
| 16 | Palma Rossi | 40 | Wife | — | Italy |
| 17 | Lucile Rossi | 15 | Daughter | — | Illinois |
| 18 | Frances Rossi | 14 | Daughter | — | Illinois |
| 19 | John Rossi THIS PERSON | 12 | Son | — | Illinois |
| 20 | Anthony Angelini | 44 | Head | Electrician | Argentina |
| 21 | Josephine Angelini | 42 | Wife | — | Missouri |
| 22 | Raffaela Angelini | 13 | Daughter | — | Illinois |
| 23 | Anna Angelini | 11 | Daughter | — | Illinois |
| 24 | Rose Angelini | 4 | Daughter | — | Illinois |
| 25 | Raffaela Angelini | 70 | Mother | — | Italy |
| 26 | Fred Angelini | 26 | Head | Maintenance | Illinois |
| 27 | Stephanie Angelini | 23 | Wife | Stitcher | Illinois |
| 28 | Joseph Angelini | 27 | Head | Machine Operator | Illinois |
| 29 | Dora Angelini | 24 | Wife | Checker | Illinois |
| 30 | Sam Stathoudakis | 46 | Head | Dish-Washer | Greece |
| 31 | Athena Stathoudakis | 32 | Wife | — | Greece |
| 32 | Marnovos Stathoudakis | 9 | Son | — | Illinois |
| 33 | Anna Stathoudakis | 8 | Daughter | — | Illinois |
| 34 | Esther Stathoudakis | 6 | Daughter | — | Illinois |
| 35 | Helen Stathoudakis | 5 | Daughter | — | Illinois |
| 36 | Mary Stathoudakis | 3 | Daughter | — | Illinois |
| 37 | Catherine Stathoudakis | 0 | Daughter | — | Illinois |
| 39 | Frank Al. Caputi | 76 | Head | — | Italy |
| 40 | Nancy Caputi | 71 | Wife | — | Italy |
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)