JC
James Costello — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this James Costello across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 10-person household.
Age 52
b. ~1888
Male
Head
Born: Italy
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Costello |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Italy |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Italy |
| Birthplace (normalized) | italy |
| Township / Ward | New York City |
| Est. Birth Year | ~1888 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Josephine Costello | Daughter | — | 20 | ~1920 |
| Mary Costello | Daughter | — | 7 | ~1933 |
| Lena Costello | Daughter | — | 17 | ~1923 |
| Mitchell Costello | Son | — | 24 | ~1916 |
| James Costello | Son | — | 11 | ~1929 |
| Philomena Costello | Spouse | — | 47 | ~1893 |
| James Costello | Head | — | 52 | ~1888 |
| Ralph Costello | Son | — | 19 | ~1921 |
| Anthony Costello | Son | — | 25 | ~1915 |
| Gennaro Costello | Son | — | 21 | ~1919 |
Census Appearances
1930
Bronx, New …
Head, age 42
Bronx, New York · implied b. ~1888 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Castelli |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Italy |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 21 |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | Wine Seller |
| Industry | Marble Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Italian |
| Home Owned/Rented | R |
| Home Value / Rent | 42 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Italy |
| Birthplace (normalized) | italy |
1940
Kings-County, New …
Head, age 52
Kings-County, New York · implied b. ~1888 — 10 household members
| Surname | Costello |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Italy |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Italy |
| Birthplace (normalized) | italy |
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 James Costello across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Costello
Head · 1940 · age 52 · b. ~1888 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kings-County, New York
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1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02580-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Epstein | 52 | Head | Tailor | Russia |
| 2 | Rebecca Epstein | 48 | Wife | — | Russia |
| 3 | Morris Epstein | 25 | Son | Chauffeur | New York |
| 4 | Fannie Epstein | 22 | Daughter | Stenographer | New York |
| 5 | Philip Epstein | 12 | Son | — | New York |
| 6 | Dominick Sapere | 44 | Head | Beautician | Italy |
| 7 | Mary Sapere | 38 | Wife | Beautician | Italy |
| 8 | Adeline Sapere | 18 | Daughter | Beautician | Virginia |
| 9 | Helen Sapere | 17 | Daughter | — | New York |
| 10 | Nina Maffere | 20 | Sister-in-law | — | Italy |
| 11 | Antonio Maneri | 56 | Head | Store Owner | Italy |
| 12 | Concetta Maneri | 51 | Wife | — | Italy |
| 13 | Antonio Maneri | 26 | Son | — | New York |
| 14 | Peter Maneri | 20 | Son | Office Boy | New York |
| 15 | Morris Schusterman | 40 | Head | Furniture Repair | Russia |
| 16 | Minnie Schusterman | 35 | Wife | — | Russia |
| 17 | Louis Schusterman | 15 | Son | — | New York |
| 18 | Mildred Schusterman | 13 | Daughter | — | New York |
| 19 | Sylvia Schusterman | 9 | Daughter | — | New York |
| 20 | Ben-Ami Goldzweig | 37 | Head | Technician | Austria |
| 21 | Minna Goldzweig | 37 | Wife | — | Palestine |
| 22 | Joelle F. Goldzweig | 14 | Daughter | — | New York |
| 23 | Jacob H. Goldzweig | 10 | Son | — | New York |
| 24 | Catherine Milidantri | 50 | Head | — | Italy |
| 25 | Charles Milidantri | 35 | Son | Clerical | New York |
| 26 | Madeline Milidantri | 22 | Daughter | Operator | New York |
| 27 | Horace Milidantri | 20 | Son | Bartender | New York |
| 28 | Angelina Milidantri | 12 | Daughter | — | New York |
| 29 | Anthony Milidantri | 15 | Son | — | New York |
| 30 | James Costello THIS PERSON | 52 | Head | — | Italy |
| 31 | Philomena Costello | 47 | Wife | — | Italy |
| 32 | Anthony Costello | 25 | Son | Delivery Boy | New York |
| 33 | Mitchell Costello | 24 | Son | Delivery Boy | New York |
| 34 | Gennaro Costello | 21 | Son | — | New York |
| 35 | Josephine Costello | 20 | Daughter | — | New York |
| 36 | Ralph Costello | 19 | Son | Delivery Boy | New York |
| 37 | Lena Costello | 17 | Daughter | New Worker | New York |
| 38 | James Jr. Costello | 11 | Son | — | New York |
| 39 | Mary Costello | 7 | Daughter | — | New York |
| 40 | Antonio Caiazza | 53 | Head | — | 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)