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John Rossi — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Rossi across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 10-person household.
Age 25
b. ~1915
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Rossi |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 822 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Boston City |
| Est. Birth Year | ~1915 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Adolph Rossi | Son | — | 29 | ~1911 |
| Giacomo Rossi | Head | — | 68 | ~1872 |
| Virginia Rossi | Daughter | — | 17 | ~1923 |
| Adeline Rossi | Daughter | — | 18 | ~1922 |
| Rita Rossi | Daughter | — | 15 | ~1925 |
| John Rossi | Son | — | 25 | ~1915 |
| Richard Rossi | Son | — | 24 | ~1916 |
| Carlo Rossi | Son | — | 19 | ~1921 |
| Rose Rossi | Spouse | — | 57 | ~1883 |
| Emily Rossi | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 14
Suffolk, Massachusetts · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Russis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Latvia |
| Mother's Birthplace | Latvia |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 25
Suffolk-County, Massachusetts · implied b. ~1915 — 10 household members
| Surname | Rossi |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 822 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 25 · b. ~1915 · Massachusetts
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Sibling
Emily Rossi
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adeline Rossi
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adolph Rossi
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Rossi
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Rossi
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Rossi
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carlo Rossi
Sibling · 1940 · age 19
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01660-00442)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joanna Cianci | 72 | Head | — | Italy |
| 2 | Ceseri Rossi | 38 | Son | — | Italy |
| 3 | John Rossi | 35 | Son | — | Italy |
| 4 | Carmen Luongo | 58 | Head | Laborer | Italy |
| 5 | Margaret Luongo | 43 | Wife | — | England |
| 6 | Virginia M. Luongo | 25 | Daughter | Salesgirl | Massachusetts |
| 7 | Rudolf Vignolo | 49 | Head | Cook | Italy |
| 8 | Caterina Vignolo | 45 | Wife | — | Italy |
| 9 | Joseph Vignolo | 27 | Son | Repairman | Italy |
| 10 | Alfred Vignolo | 19 | Son | Salesman | Massachusetts |
| 11 | Armando Vignolo | 18 | Son | New Worker | Massachusetts |
| 12 | Elvira Vignolo | 15 | Daughter | — | Massachusetts |
| 13 | Amice Vignolo | 12 | Daughter | — | Massachusetts |
| 14 | Anna M. Vignolo | 6 | Daughter | — | Massachusetts |
| 15 | Giovanni Guarnieri | 61 | Head | Laborer | Italy |
| 16 | Joseph Guarnieri | 27 | Son | Laborer | Massachusetts |
| 17 | Anthony Guarnieri | 24 | Son | Bus Boy | Massachusetts |
| 18 | Angelo Sardina | 38 | Head | Laborer | Massachusetts |
| 19 | Lena Sardina | 28 | Wife | — | Germany |
| 20 | Louis Sardina | 6 | Son | — | Massachusetts |
| 21 | Robert Sardina | 2 | Son | — | Massachusetts |
| 22 | Luigi Bergonzi | 52 | Lodger | Janitor | Italy |
| 23 | Marcellina Bergonzi | 33 | Lodger | Bar Tender | Germany |
| 24 | Victoria Ferrarone | 65 | Head | — | Massachusetts |
| 25 | Theresa Valatesta | 52 | Head | — | Italy |
| 26 | Manuel Valatesta | 30 | Son | Salesman | Massachusetts |
| 27 | Giacomo Rossi | 68 | Head | — | Italy |
| 28 | Rose Rossi | 57 | Wife | — | Italy |
| 29 | Adolph Rossi | 29 | Son | Pressman | Massachusetts |
| 30 | John Rossi THIS PERSON | 25 | Son | Laborer | Massachusetts |
| 31 | Richard Rossi | 24 | Son | Pressman | Massachusetts |
| 32 | Emily Rossi | 21 | Daughter | Mach. Operator | Massachusetts |
| 33 | Carlo Rossi | 19 | Son | Hand Helper | Massachusetts |
| 34 | Adeline Rossi | 18 | Daughter | Machine Operator | Massachusetts |
| 35 | Virginia Rossi | 17 | Daughter | — | Massachusetts |
| 36 | Rita Rossi | 15 | Daughter | — | Massachusetts |
| 37 | Alfonso Bucco | 55 | Head | — | Italy |
| 38 | Mary Bucco | 54 | Wife | — | Italy |
| 39 | Angelina Bucco | 25 | Daughter | — | Massachusetts |
| 40 | John Bucco | 24 | Son | Truck Driver | Italy |
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)