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Joseph Costa — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fairfield-County, Connecticut
Our Model Tree links this Joseph Costa across the 1920, 1930 and 1940 US Censuses in Fairfield-County, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 7-person household.
Age 47
b. ~1893
Male
Head
Born: Italy
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfield-County, Connecticut |
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Italy |
| 1935 Residence (City) | Bridgeport City |
| 1935 Residence (County) | Fairfield |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Steel Worker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1022 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth Country | Italy |
| Birthplace (normalized) | italy |
| Occupation | Steel Worker |
| Township / Ward | Bridgeport City |
| Est. Birth Year | ~1893 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Costa | Head | — | 47 | ~1893 |
| Frank Costa | Son | — | 20 | ~1920 |
| Paul Costa | Son | — | 21 | ~1919 |
| Anna Costa | Daughter | — | 17 | ~1923 |
| Filomena Costa | Spouse | — | 43 | ~1897 |
| Theresa Costa | Daughter | — | 6 | ~1934 |
| Rose Costa | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Fairfield, Connecticut
Head, age 27
Fairfield, Connecticut · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Italy |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Italian |
| Home Owned/Rented | R |
| Birth Country | Italy |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | italy |
1930
Litchfield, Connecticut
Head, age 37
Litchfield, Connecticut · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Italy |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 21 |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Mother Tongue | Italian |
| Home Owned/Rented | R |
| Home Value / Rent | 22 |
| Birth Country | Italy |
| Birthplace (normalized) | italy |
1940
Fairfield-County, Connecticut
Head, age 47
Fairfield-County, Connecticut · implied b. ~1893 — 7 household members
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Italy |
| 1935 Residence (City) | Bridgeport City |
| 1935 Residence (County) | Fairfield |
| Naturalization Status | Naturalized |
| Occupation | Steel Worker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1022 |
| Highest Grade | Hs 2 |
| 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 Joseph Costa across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Costa
Head · 1940 · age 47 · b. ~1893 · Connecticut
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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 — Fairfield-County, Connecticut
Open full size
1940 US Federal Census — Fairfield-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00532-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eleanor Salisemann | 53 | Mother-in-law | — | Kansas |
| 42 | Emma Russell | 71 | Head | — | Connecticut |
| 43 | Josephine Russell | 54 | Sister | Cashier | Connecticut |
| 44 | Joseph Costa THIS PERSON | 47 | Head | Steel Worker | Italy |
| 45 | Filomena Costa | 43 | Wife | — | Italy |
| 46 | Rose Costa | 23 | Daughter | Operator Mach | Connecticut |
| 47 | Paul Costa | 21 | Son | Hairdresser | Connecticut |
| 48 | Frank Costa | 20 | Son | Helper | Connecticut |
| 49 | Anna Costa | 17 | Daughter | Mach. Operator | Connecticut |
| 50 | Theresa Costa | 6 | Daughter | — | Connecticut |
| 51 | Catherine Mulready | 60 | Head | — | Connecticut |
| 52 | John Mulready | 23 | Son | Shipping Clerk | Connecticut |
| 53 | Dennis Lane | 67 | Brother | Fitter | Connecticut |
| 54 | Raymond Mulready | 20 | Son | — | Connecticut |
| 55 | James V. Casey | 33 | Head | Driver | Connecticut |
| 56 | Catherine Casey | 28 | Wife | — | Connecticut |
| 57 | Patricia Ann Casey | 0 | Daughter | — | Connecticut |
| 58 | James J. Casey | 68 | Father | Superintendent | Irish Free State |
| 59 | Frank Haines | 33 | Head | Receiving Clerk | Connecticut |
| 60 | Edna Haines | 30 | Wife | — | Connecticut |
| 61 | Dorothy Haines | 11 | Daughter | — | Connecticut |
| 62 | Frank Jr. Haines | 8 | Son | — | Connecticut |
| 63 | Frederick Gordon | 50 | Head | Wire Worker | Northumberland, Eng |
| 64 | Rose Gordon | 49 | Wife | — | Irish Free State |
| 65 | Kathleen Gordon | 22 | Daughter | Stitching Curtains | Connecticut |
| 66 | Lillian Gordon | 19 | Daughter | Waitress | Connecticut |
| 67 | Mary Gordon | 17 | Daughter | Folding | Connecticut |
| 68 | Frederick Miller | 61 | Head | Laborer | Massachusetts |
| 69 | Isabella Miller | 65 | Wife | — | Connecticut |
| 70 | Ethel Miller | 36 | Daughter | — | Connecticut |
| 71 | John Umsteder | 56 | Head | Traffic Manager | Connecticut |
| 72 | Helen Umsteder | 53 | Wife | — | New Jersey |
| 73 | Theresa Mcdonald | 26 | Daughter | Elevator Operator | Pennsylvania |
| 74 | Thomas Umsteder | 21 | Son | Gas Station Attendant | Connecticut |
| 75 | Frank Falco | 32 | Head | — | Connecticut |
| 76 | Margaret Falco | 30 | Wife | Machine Operator | Connecticut |
| 77 | Louis Falco | 10 | Son | — | Connecticut |
| 78 | Albert Warner | 39 | Head | Driver | Connecticut |
| 79 | Marion Warner | 33 | Wife | — | Connecticut |
| 80 | Jacqueline Warner | 9 | Daughter | — | Connecticut |
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)