MR
Mary Rossi — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Rossi across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Alien |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dominick Rossi | Son | — | 16 | ~1924 |
| Emilia Rossi | Daughter | — | 19 | ~1921 |
| Angela Rossi | Daughter | — | 14 | ~1926 |
| Mary Rossi | Spouse | — | 39 | ~1901 |
| Esther Rossi | Daughter | — | 20 | ~1920 |
| Joseph Rossi | Head | — | 47 | ~1893 |
Census Appearances
1930
Cook, Illinois
Other, age 31
Cook, Illinois · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1914 |
| Age at First Marriage | 17 |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Mother Tongue | Italian |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Cook-County, Illinois
Spouse, age 39
Cook-County, Illinois · implied b. ~1901 — 6 household members
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Alien |
| Industry | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Mary Rossi across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Rossi
Spouse · 1940 · age 39 · b. ~1901 · Illinois
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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-t0627-00972-00335)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thonhil Jr. Thorkilsen | 3 | Son | — | Illinois |
| 42 | Audrey Thorkilsen | 0 | Daughter | — | Illinois |
| 43 | Ernest Swedlund | 36 | Head | Draftsman | Sweden |
| 44 | Pearl Swedlund | 34 | Wife | — | Wisconsin |
| 45 | Clinton Thiele | 17 | Step-son | — | Wisconsin |
| 46 | Howard Thiele | 12 | Step-son | — | Minnesota |
| 47 | Clara Fylstra | 65 | Head | — | Netherlands |
| 48 | Alice Fylstra | 26 | Daughter | Machine Operator | Wisconsin |
| 49 | Oscar Homuth | 60 | Head | — | Illinois |
| 50 | Henrietta Homuth | 49 | Wife | — | Illinois |
| 51 | Pedro Sanchez | 56 | Head | Janitor | Mexico |
| 52 | Petra Sanchez | 44 | Wife | — | Mexico |
| 53 | Joseph Rossi | 47 | Head | Clay Digger | Italy |
| 54 | Mary Rossi THIS PERSON | 39 | Wife | — | England |
| 55 | Esther Rossi | 20 | Daughter | New Worker | Illinois |
| 56 | Emilia Rossi | 19 | Daughter | Typist | Illinois |
| 57 | Dominick Rossi | 16 | Son | — | Illinois |
| 58 | Angela Rossi | 14 | Daughter | — | Illinois |
| 59 | Anna Graham | 54 | Head | — | Illinois |
| 60 | James Graham | 30 | Son | — | Illinois |
| 61 | George Frese | 54 | Head | Carpenter | Tennessee |
| 62 | Bertha Zollweg | 58 | Head | Janitor | Minnesota |
| 63 | Donald Zollweg | 28 | Son | Knuckler? | Minnesota |
| 64 | Michael Craney | 62 | Head | Chauffeur | Illinois |
| 65 | Genevieve Craney | 28 | Daughter | — | Illinois |
| 66 | Jesus Arroyo | 35 | Head | Carpenter | Mexico |
| 67 | Petra Arroyo | 41 | Wife | — | Mexico |
| 68 | Refugio Arroyo | 15 | Daughter | — | Illinois |
| 69 | Frank Arroyo | 7 | Son | — | Illinois |
| 70 | Marcella Arroyo | 6 | Daughter | — | Illinois |
| 71 | Felix Arroyo | 5 | Son | — | Illinois |
| 72 | Pedro Arroyo | 3 | Son | — | Illinois |
| 73 | Rosemary Arroyo | 1 | Daughter | — | Illinois |
| 74 | Alice Hollow | 62 | Head | — | Illinois |
| 75 | Bernice Hollow | 23 | Daughter | — | Illinois |
| 76 | Donald Hollow | 1 | Grandson | — | Illinois |
| 77 | Gust Wittenberg | 64 | Head | Traffic Flagman | Illinois |
| 78 | Susie Wittenberg | 59 | Wife | — | Illinois |
| 79 | Robert Conrick | 51 | Head | Landscaper | Missouri |
| 80 | Rose Conrick | 44 | Wife | — | 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)