MR
Mary Rossi — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adams-County, Colorado
Our Model Tree links this Mary Rossi across the 1930 and 1940 US Censuses in Adams-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Female
Spouse
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Adams-County, Colorado |
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 10 |
| 1935 Residence (County) | Adams |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 10 |
| Est. Birth Year | ~1908 |
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 |
|---|---|---|---|---|
| Elaine Rossi | Daughter | — | 10 | ~1930 |
| Vincent Rossi | Son | — | 13 | ~1927 |
| J Rossi | Son | — | ~1940 | |
| Mike Rossi | Head | — | 36 | ~1904 |
| Joseph Rossi | Son | — | 6 | ~1934 |
| Mary Rossi | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Adams, Colorado
Other, age 22
Adams, Colorado · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | Daughter-in-law |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 17 |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Adams-County, Colorado
Spouse, age 32
Adams-County, Colorado · implied b. ~1908 — 6 household members
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 10 |
| 1935 Residence (County) | Adams |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 32 · b. ~1908 · Colorado
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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 — Adams-County, Colorado
Open full size
1940 US Federal Census — Adams-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00454-00338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leonard Surano | 19 | son | Garden Helper | Colorado |
| 42 | Anthony Surano | 17 | son | — | Colorado |
| 43 | Marie Surano | 15 | daughter | — | Colorado |
| 44 | Mildred Surano | 12 | daughter | — | Colorado |
| 45 | Sandy Domenico | 37 | Head | Fruit Vegetable Wholesaler | Oklahoma |
| 46 | Mamie Domenico | 35 | Wife | — | Colorado |
| 47 | Vincent Domenico | 16 | son | — | Colorado |
| 48 | Lucille Domenico | 13 | daughter | — | Colorado |
| 49 | Frances Domenico | 3 | daughter | — | Colorado |
| 50 | Lewis Ricco | 49 | Head | Farmer | Italy |
| 51 | Elizabeth Ricco | 41 | wife | — | Colorado |
| 52 | Anthony Ricco | 21 | son | Farm Helper | Colorado |
| 53 | Angelina Ricco | 20 | daughter | — | Colorado |
| 54 | Dominic Ricco | 17 | son | Farm Helper | Colorado |
| 55 | Marie Ricco | 15 | daughter | — | Colorado |
| 56 | John Ross | 38 | Head | Farmer | Colorado |
| 57 | Clara Ross | 34 | wife | — | Colorado |
| 58 | Rocco Ross | 14 | son | — | Colorado |
| 59 | Betty Jane Ross | 6 | daughter | — | Colorado |
| 60 | Ralph Domenico | 44 | Head | Farmer | Italy |
| 61 | Michael Domenico | 42 | wife | — | Italy |
| 62 | Angelo Domenico | 19 | son | Farm Helper | Colorado |
| 63 | Pauline Domenico | 15 | daughter | — | Colorado |
| 64 | Bernard Domenico | 13 | son | — | Colorado |
| 65 | Jennie Domenico | 40 | sister | — | Oklahoma |
| 66 | Vincent James | 46 | Head | Farmer | Italy |
| 67 | Martha James | 34 | sister | — | Colorado |
| 68 | Mike Rossi | 36 | Head | Fruit Vegetable Wholesaler | Colorado |
| 69 | Mary Rossi THIS PERSON | 32 | wife | — | Colorado |
| 70 | Vincent Rossi | 13 | son | — | Colorado |
| 71 | Elaine Rossi | 10 | daughter | — | Colorado |
| 72 | Joseph Rossi | 6 | son | — | Colorado |
| 73 | J. J. Rossi | 0 | son | — | Colorado |
| 74 | Harold Lemmers | 41 | Head | Farmer | Colorado |
| 75 | Edith Lemmers | 36 | wife | — | Colorado |
| 76 | Harold Jr Lemmers | 15 | son | Farm Helper | Colorado |
| 77 | Evelyn Lemmers | 13 | daughter | — | Colorado |
| 78 | Frederick Lemmers | 4 | son | — | Colorado |
| 79 | Leo Gioco | 36 | Head | Farmer | Italy |
| 80 | Angela Gioco | 24 | wife | — | Colorado |
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)