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John Rossi — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hampden, Massachusetts
Our Model Tree links this John Rossi across the 1930 and 1940 US Censuses in Hampden, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 5
b. ~1925
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hampden, Massachusetts |
| Surname | Rossi |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Egisto Rossi | Other | — | 40 | ~1890 |
| Lena Rondelitto | Daughter | — | 16 | ~1914 |
| Joseph Rossi | Head | — | 35 | ~1895 |
| Esther Rossi | Other | — | 31 | ~1899 |
| John Rossi | Son | — | 5 | ~1925 |
| Peter Rondelitto | Other | — | 62 | ~1868 |
| Angela Rondelitto | Other | — | 56 | ~1874 |
| Katherine Rondelitto | Other | — | 20 | ~1910 |
| Marion Rossi | Daughter | — | 12 | ~1918 |
| Antonio Rondelitto | Son | — | 23 | ~1907 |
| Elizabeth Rossi | Daughter | — | 13 | ~1917 |
Census Appearances
1930
Hampden, Massachusetts
Son, age 5
Hampden, Massachusetts · implied b. ~1925 — 11 household members
| Surname | Rossi |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Son, age 15
Hampden-County, Massachusetts · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rosa |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Indian Orchard |
| 1935 Residence (County) | Hampden |
| Industry | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Mass. |
| 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 · 1930 · age 5 · b. ~1925 · Massachusetts
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Sibling
Elizabeth Rossi
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antonio Rondelitto
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Rossi
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Rondelitto
Sibling · 1930 · age 16
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
1930 US Federal Census — Hampden, Massachusetts
Open full size
1930 US Federal Census — Hampden, Massachusetts
Page Contents
11 people indexed on this census page (ia:1930:massachusettscensus00reel910:0934)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Rossi | 35 | Head | Proprietor | Italy |
| 52 | Esther Rossi | 31 | Wife-H | — | Italy |
| 53 | Elizabeth Rossi | 13 | Daughter | — | Massachusetts |
| 54 | Marion Rossi | 12 | Daughter | — | Massachusetts |
| 55 | John Rossi THIS PERSON | 5 | Son | — | Massachusetts |
| 56 | Egisto Pracci Rossi | 40 | Lodger | Helper | Italy |
| 57 | Peter Rondelitto | 62 | — | Laborer | Italy |
| 58 | Angela Rondelitto | 56 | Wife-H | — | Italy |
| 59 | Antonio J Rondelitto | 23 | Son | Machinist | Italy |
| 60 | Lena M Rondelitto | 16 | Daughter | — | Massachusetts |
| 61 | Katherine P Rondelitto | 20 | Daughter-in-law | — | Italy |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)