MR
Mary Rossi — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Las-Animas-County, Colorado
Our Model Tree links this Mary Rossi across the 1930 and 1940 US Censuses in Las-Animas-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Female
Daughter
Born: New Mexico
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Las-Animas-County, Colorado |
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | New Mexico |
| 1935 Residence (City) | Trinidad City |
| 1935 Residence (County) | Las Animas |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Township / Ward | Trinidad City |
| Est. Birth Year | ~1894 |
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 |
|---|---|---|---|---|
| Cresta Rossi | Other | — | 5 | ~1935 |
| Lela Rossi | Daughter | — | 37 | ~1903 |
| Rosa Rossi | Head | — | 61 | ~1879 |
| Chas Rossi | Son | — | 40 | ~1900 |
| Elizabeth Rossi | Daughter | — | 35 | ~1905 |
| Mary Rossi | Daughter | — | 46 | ~1894 |
Census Appearances
1930
Las Animas, …
Daughter, age 35
Las Animas, Colorado · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rossi |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | Italy |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1940
Las-Animas-County, Colorado
Daughter, age 46
Las-Animas-County, Colorado · implied b. ~1894 — 6 household members
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | New Mexico |
| 1935 Residence (City) | Trinidad City |
| 1935 Residence (County) | Las Animas |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
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
Daughter · 1940 · age 46 · b. ~1894 · Colorado
★ You are viewing this record
Sibling
Chas Rossi
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lela Rossi
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Rossi
Sibling · 1940 · age 35
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 — Las-Animas-County, Colorado
Open full size
1940 US Federal Census — Las-Animas-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00468-00737)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dan G. Trujillo | 26 | Boarder | Laborer | Colorado |
| 2 | Clarence L. Trujillo | 6 | Boarder | — | Colorado |
| 3 | Pat Cordova | 49 | Head | Laborer | Colorado |
| 4 | Victoria Cordova | 37 | Wife | — | Colorado |
| 5 | Gil Cordova | 21 | Son | Salesman | Colorado |
| 6 | Lee Cordova | 19 | Son | — | Colorado |
| 7 | Herbert Cordova | 15 | Son | — | Colorado |
| 8 | Leola Cordova | 13 | Daughter | — | Colorado |
| 9 | Delia Cordova | 11 | Daughter | — | Colorado |
| 10 | Estilla Cordova | 8 | Daughter | — | Colorado |
| 11 | Lucille Cordova | 5 | Daughter | — | Colorado |
| 12 | Joe Amato | 48 | Head | Lumberman | Italy |
| 13 | Mary Amato | 40 | Wife | — | Colorado |
| 14 | Carl Amato | 23 | Son | Truck Driver | Colorado |
| 15 | Nadine Amato | 20 | Daughter | Bank Keeper | Colorado |
| 16 | Frances Amato | 18 | Daughter | Cashier | Colorado |
| 17 | Sam Amato | 15 | Son | — | Colorado |
| 18 | Joe Amato | 12 | Son | — | Colorado |
| 19 | Luis Amato | 6 | Son | — | Colorado |
| 20 | Rosa Rossi | 61 | Head | — | New York |
| 21 | Mary Rossi THIS PERSON | 46 | Daughter | — | New Mexico |
| 22 | Lela Rossi | 37 | Daughter | Book Keeper | Colorado |
| 23 | Chas. Rossi | 40 | Son | — | New Mexico |
| 24 | Elizabeth V. Rossi | 35 | Daughter | — | Oklahoma |
| 25 | Cresta A. Rossi | 5 | Granddaughter | — | Idaho |
| 26 | Vincenza Cartelli | 60 | Head | — | Italy |
| 27 | Mary Cartelli | 51 | Wife | — | Italy |
| 28 | Marlene Cartelli | 10 | Daughter | — | Florida |
| 29 | Eligio Archuleta | 40 | Head | Laborer | Colorado |
| 30 | Celia Archuleta | 40 | Wife | — | Colorado |
| 31 | Rumie Archuleta | 18 | Daughter | Housework | Colorado |
| 32 | Nick Archuleta | 16 | Son | — | Colorado |
| 33 | Joe Archuleta | 13 | Son | — | Colorado |
| 34 | Pauline Archuleta | 12 | Daughter | — | Colorado |
| 35 | Frankie Archuleta | 9 | Son | — | Colorado |
| 36 | Dello Archuleta | 7 | Son | — | Colorado |
| 37 | Cromo Rago | 41 | Head | Laborer | Italy |
| 38 | Agnes Rago | 39 | Wife | — | New Mexico |
| 39 | Rose Rago | 12 | Daughter | — | Colorado |
| 40 | Genevieve Rago | 10 | Daughter | — | 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)