MR
Mary Rossi — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Rossi across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 9 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1922 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rose Rossi | Other | — | 2 | ~1938 |
| Arduino Rossi | Other | — | 33 | ~1907 |
| Josephine Greco | Daughter | — | 15 | ~1925 |
| Rose Greco | Spouse | — | 40 | ~1900 |
| Ralph Greco | Head | — | 47 | ~1893 |
| Grace Greco | Daughter | — | 13 | ~1927 |
| Mary Rossi | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 8
Baltimore, Maryland · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rose |
| Given Name | Marie E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 18
Baltimore-City-County, Maryland · implied b. ~1922 — 7 household members
| Surname | Rossi |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Industry | 0 |
| Highest Grade | No 9 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 18 · b. ~1922 · Maryland
★ You are viewing this record
Sibling
Grace Greco
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Greco
Sibling · 1940 · age 15
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01511-00337)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Magdeline Puryocki | 39 | Head | Seamstress | Maryland |
| 42 | Francis Zieba | 32 | Head | Main. Worker | Poland |
| 43 | Clara Zieba | 30 | Wife | — | Maryland |
| 44 | Annette Zieba | 4 | Daughter | — | Maryland |
| 45 | Walter Kijowski | 24 | Head | Salesman | Pennsylvania |
| 46 | Frances Kijowski | 23 | Wife | — | Maryland |
| 47 | Carolyn Kijowski | 2 | Daughter | — | Maryland |
| 48 | John Ruszala | 28 | Head | Deliveryman | Maryland |
| 49 | Catherine Ruszala | 27 | Wife | — | Maryland |
| 50 | John Jr. Ruszala | 6 | Son | — | Maryland |
| 51 | Edward Ruszala | 4 | Son | — | Maryland |
| 52 | Charles Ruszala | 2 | Son | — | Maryland |
| 53 | Matteo Giordona | 23 | Head | Foreman | Maryland |
| 54 | Jennie Giordona | 24 | Wife | — | Maryland |
| 55 | Annette Giordona | 5 | Daughter | — | Maryland |
| 56 | Mattie Griffin | 58 | Head | — | Virginia |
| 57 | Manita Griffin | 20 | Daughter | Secretary | Maryland |
| 58 | Ralph Greco | 47 | Head | Pipe Fitter | Italy |
| 59 | Rose Greco | 40 | Wife | Finisher | Italy |
| 60 | Josephine Greco | 15 | Daughter | — | Maryland |
| 61 | Grace Greco | 13 | Daughter | — | Maryland |
| 62 | Arduino Rossi | 33 | Son-in-law | Pipe Fitter | Italy |
| 63 | Mary Rossi THIS PERSON | 18 | Daughter | — | Maryland |
| 64 | Rose Marie Rossi | 2 | Granddaughter | — | Maryland |
| 65 | Frank Baccala | 35 | Head | Officer | Italy |
| 66 | Josephine Baccala | 32 | Wife | Operator | Maryland |
| 67 | Frank Jr. Baccala | 12 | Son | — | Maryland |
| 68 | Abraham Goldfarb | 44 | Head | Cutter | Maryland |
| 69 | Dora Goldfarb | 33 | Wife | — | Russia |
| 70 | Joseph Burakiewicz | 44 | Head | Butcher | Poland |
| 71 | Mary Burakiewicz | 37 | Wife | — | Maryland |
| 72 | Joseph Jr. Burakiewicz | 10 | Son | — | Maryland |
| 73 | Jeanette Burakiewicz | 9 | Daughter | — | Maryland |
| 74 | Rita Burakiewicz | 8 | Daughter | — | Maryland |
| 75 | Frances Burakiewicz | 8 | Daughter | — | Maryland |
| 76 | Robert Ford | 23 | Head | Acetylene Burner | Maryland |
| 77 | Katherine Ford | 20 | Wife | — | Virginia |
| 78 | Elizabeth Schectel | 61 | Head | — | Maryland |
| 79 | Elizabeth Clarr | 43 | Niece | Maid | Maryland |
| 80 | Allen Clarr | 35 | Head | Spinner | Maryland |
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)