JC
Joseph Costa — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Joseph Costa across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents Celestine & Valentine — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Additional Details | |
| Occupation | Cement mason |
| Industry | Building industry |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Cement Mason |
| Township / Ward | New York City |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Walter Costa | Son | — | 3 | ~1937 |
| Martha Costa | Spouse | — | 29 | ~1911 |
| Joseph Costa | Head | — | 31 | ~1909 |
| Joseph Costa | Son | — | 8 | ~1932 |
Census Appearances
1920
New York, …
Son, age 11
New York, New York · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Italian |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 21
New York, New York · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | worker |
| Industry | building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Head, age 31
New-York-County, New York · implied b. ~1909 — 4 household members
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Occupation | Cement mason |
| Industry | Building industry |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Joseph Costa across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Celestine Costa (~0.92 confidence) and father Valentine Costa (~0.92 confidence) and mother Esther Costa (~0.92 confidence) and mother Kate Costa (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Celestine Costa
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Valentine Costa
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Esther Costa
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Kate Costa
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Costa
Head · 1940 · age 31 · b. ~1909 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02662-00378)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Corinne Gazzola | 11 | Daughter | — | New York |
| 42 | Gilda Cazzola | 33 | Head | Chauffeur | New York |
| 43 | Teresa Cazzola | 33 | Wife | Inspector | New York |
| 44 | John Dorraceo | 46 | Head | Business Agent | Italy |
| 45 | Emily Dorraceo | 46 | Wife | — | Italy |
| 46 | William Dorraceo | 22 | Son | Assistant Engineer | New York |
| 47 | Nelson Dorraceo | 20 | Son | — | New York |
| 48 | Salvatore Agroia | 40 | Head | Painter | Italy |
| 49 | Clara R. Agroia | 44 | Wife | — | Italy |
| 50 | Anna Agroia | 12 | Daughter | — | New York |
| 51 | Carmine Agroia | 10 | Son | — | New York |
| 52 | Vincent Agroia | 6 | Son | — | New York |
| 53 | Vincent Sabbatini | 77 | Father-in-law | — | Italy |
| 54 | Michael Ricardi | 54 | Head | Manual Laborer | Italy |
| 55 | Julia Ricardi | 44 | Wife | — | Italy |
| 56 | Joseph Ricardi | 10 | Son | — | New York |
| 57 | August Cassi | 77 | Head | — | Italy |
| 58 | Ida Cassi | 68 | Wife | — | Italy |
| 59 | Ernest Losi | 50 | Head | Cashier | Italy |
| 60 | Rosalina Losi | 46 | Wife | Bricklayer-Helper | Italy |
| 61 | Primo Losi | 20 | Son | — | New York |
| 62 | Gino Losi | 15 | Son | Office Clerk | New York |
| 63 | Henry Losi | 12 | Son | — | New York |
| 64 | John Vazzotto | 42 | Head | Steam Table Waiter | New Mexico |
| 65 | Teresa Vazzotto | 42 | Wife | Hotel | Italy |
| 66 | Rene Vazzotto | 19 | Son | Bakery | Italy |
| 67 | Ida Vazzotto | 16 | Daughter | — | Italy |
| 68 | Joseph Costa THIS PERSON | 31 | Head | Cement Mason | New York |
| 69 | Martha Costa | 29 | Wife | — | New York |
| 70 | Joseph Jr. Costa | 8 | Son | — | New York |
| 71 | Walter Costa | 3 | Son | — | New York |
| 72 | Salvatore Desposito | 32 | Head | Chauffeur | New York |
| 73 | Nancy Desposito | 31 | Wife | — | New York |
| 74 | Celesta Desposito | 5 | Daughter | — | New York |
| 75 | Anna Desposito | 2 | Daughter | — | New York |
| 76 | Cesare Acchiani | 58 | Head | Bartender | Italy |
| 77 | Emma Acchiani | 42 | Wife | Waitress | Italy |
| 78 | Anita Acchiani | 22 | Daughter | General Worker | New York |
| 79 | Helen Acchiani | 20 | Daughter | Tomato Packer | New York |
Pedigree Summary
Joseph
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)