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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.~1917), then head of a 11-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Married
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 | 23 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Trucker |
| Industry | Hauling |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Trucker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1917 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Rossi | Son | — | 23 | ~1917 |
| Carmen Rossi | Son | — | 20 | ~1920 |
| Angelo Rossi | Son | — | 19 | ~1921 |
| Frank Rossi | Son | — | 14 | ~1926 |
| Joanne Rossi | Other | — | 1 | ~1939 |
| Elizabeth Rossi | Other | — | 20 | ~1920 |
| Frank Rossi | Other | — | ~1940 | |
| Anthony Rossi | Son | — | 18 | ~1922 |
| Helen Rossi | Other | — | 18 | ~1922 |
| Mary Rossi | Daughter | — | 17 | ~1923 |
| James Rossi | Head | — | 47 | ~1893 |
Census Appearances
1930
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rossi |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | Student |
| Industry | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 11 household members
| Surname | Rossi |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Occupation | Trucker |
| Industry | Hauling |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | No 4 |
| 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 23 · b. ~1917 · Illinois
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Sibling
Angelo Rossi
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Rossi
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Rossi
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Rossi
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carmen Rossi
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00972-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Rossi | 47 | Head | Trucker | Italy |
| 2 | Carmen Rossi | 20 | Son | Trucker | Illinois |
| 3 | Angelo Rossi | 19 | Son | Trucker | Illinois |
| 4 | Anthony Rossi | 18 | Son | New Worker | Illinois |
| 5 | Mary Rossi | 17 | Daughter | New Worker | Illinois |
| 6 | Frank Rossi | 14 | Son | Trucker | Illinois |
| 7 | Elizabeth Rossi | 20 | Dau-in-law | — | Illinois |
| 8 | Frank Jr. Rossi | 0 | Son-Grand | — | Illinois |
| 9 | John Rossi THIS PERSON | 23 | Son | Trucker | Illinois |
| 10 | Helen Rossi | 18 | Dau-in-law | — | Illinois |
| 11 | Joanne R. Rossi | 1 | Grand-dau | — | Illinois |
| 12 | Goldie Schwiekle | 51 | Head | — | Illinois |
| 13 | Herbert Schwiekle | 51 | Husband | Collector | Illinois |
| 14 | Robert Schwiekle | 22 | Son | New Worker | Illinois |
| 15 | Romano Veccholla | 67 | Head | — | Italy |
| 16 | Rosina Veccholla | 57 | Wife | — | Italy |
| 17 | John Vitaroo | 57 | Head | — | Italy |
| 18 | Carmela Vitaroo | 55 | Wife | — | Italy |
| 19 | Carmen Costaloo | 44 | Lodger | Bricklayer | Italy |
| 20 | Albert Gentile | 60 | Head | Janitor | Italy |
| 21 | Phyllis Gentile | 46 | Wife | — | Italy |
| 22 | Jean Gentile | 22 | Daughter | Beauty-Op | Illinois |
| 23 | Joe Gentile | 14 | Son | — | Illinois |
| 24 | Sam Laponi | 35 | Head | Machinist | Italy |
| 25 | Mildred Laponi | 34 | Wife | — | Illinois |
| 26 | Donald Laponi | 10 | Son | — | Illinois |
| 27 | Jerry Laponi | 2 | Son | — | Illinois |
| 28 | William Witcher | 56 | Head | Mail-Clerk | Michigan |
| 29 | Mary Witcher | 21 | Daughter | — | Illinois |
| 30 | Peter Agulita | 51 | Head | Cement-Fin. | Italy |
| 31 | Antoinette Agulita | 43 | Wife | — | Italy |
| 32 | Joe Agulita | 17 | Son | New-Worker | New-York |
| 33 | Roy Agulita | 15 | Son | — | New-York |
| 34 | Nick Agulita | 11 | Son | — | New-York |
| 35 | Carmella Agulita | 5 | Daughter | — | Illinois |
| 36 | Arthur Nadelhoffer | 53 | Head | — | Illinois |
| 37 | Lorena Nadelhoffer | 40 | Wife | Draper | Missouri |
| 38 | Sam Luchetti | 32 | Head | Baker | Italy |
| 39 | Helen Luchetti | 28 | Wife | Sewer | Illinois |
| 40 | Joseph Luchetti | 8 | Son | — | Illinois |
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)