JC
Joseph Costa — 1940 US Census Record
Model Tree available1940 United States Federal Census · Newport-County, Rhode Island
Our Model Tree links this Joseph Costa across the 1920, 1930 and 1940 US Censuses in Newport-County, Rhode Island (XGBoost, ~Confirmed), with identified parents August & Manuel — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Newport-County, Rhode Island |
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Little Compton |
| 1935 Residence (County) | Newport |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Rhode Island |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Town Of Tiverton |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Edward Costa | Son | — | 5 | ~1935 |
| Alice Costa | Daughter | — | 14 | ~1926 |
| Arthur Costa | Son | — | 7 | ~1933 |
| Auguste Costa | Head | — | 50 | ~1890 |
| Mary Costa | Spouse | — | 48 | ~1892 |
| Joseph Costa | Son | — | 21 | ~1919 |
| George Costa | Son | — | 13 | ~1927 |
| Rose Costa | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Newport, Rhode …
Son, age
Newport, Rhode Island · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Azores |
| Mother's Birthplace | Azores |
| Occupation | none |
| Mother Tongue | Portuguese |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Newport, Rhode …
Son, age 11
Newport, Rhode Island · implied b. ~1919 — 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 | 11 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Azores |
| Mother's Birthplace | Azores |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Newport-County, Rhode …
Son, age 21
Newport-County, Rhode Island · implied b. ~1919 — 8 household members
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Little Compton |
| 1935 Residence (County) | Newport |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Rhode Island |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 August Costa (~0.92 confidence) and father Manuel Costa (~0.92 confidence) and mother Mary Costa (~0.92 confidence) and mother Mary Costa (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Costa
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Manuel Costa
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Mary Costa
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Costa
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Costa
Son · 1940 · age 21 · b. ~1919 · Rhode Island
★ You are viewing this record
Sibling
George Costa
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Costa
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Costa
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Costa
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Costa
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 — Newport-County, Rhode Island
Open full size
1940 US Federal Census — Newport-County, Rhode Island
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03761-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emilio Gian Battista | 22 | Son | Laborer | Massachusetts |
| 42 | Auguste Costa | 50 | Head | Farm Hand | Azores |
| 43 | Mary Costa | 48 | Wife | — | Azores |
| 44 | Joseph Costa THIS PERSON | 21 | Son | — | Rhode Island |
| 45 | Rose Costa | 19 | Daughter | Servant | Rhode Island |
| 46 | Alice Costa | 14 | Daughter | — | Rhode Island |
| 47 | George Costa | 13 | Son | — | Rhode Island |
| 48 | Arthur Costa | 7 | Son | — | Rhode Island |
| 49 | Edward Costa | 5 | Son | — | Rhode Island |
| 50 | Benjamin Banks | 60 | Head | Fireman | Maryland |
| 51 | Bernadette Banks | 51 | Wife | — | Canada, French |
| 52 | Mary Rose Perron | 24 | Daughter | Sewing Machine Operator | Massachusetts |
| 53 | Charles H. Hymany | 7 | Step-son | — | Massachusetts |
| 54 | Manuel Olivia Silvia | 57 | Head | Oiler | Azores |
| 55 | Mary Silvia | 55 | Wife | — | Azores |
| 56 | Palmeida Silvia | 23 | Daughter | Presser | Massachusetts |
| 57 | Brazalina Silvia | 21 | Daughter | Trimmer | Massachusetts |
| 58 | Alfred Duclos | 31 | Son in law | Laborer | Massachusetts |
| 59 | Mary Duclos | 33 | Daughter | — | Azores |
| 60 | Alfred, Jr. Duclos | 6 | Grandson | — | Rhode Island |
| 61 | Edmond Duclos | 5 | Grandson | — | Rhode Island |
| 62 | Florence Duclos | 1 | Granddaughter | — | Rhode Island |
| 63 | Joseph L. Perron | 46 | Head | Proprietor | Massachusetts |
| 64 | Alexandria Perron | 39 | Wife | — | Massachusetts |
| 65 | Ernest J. Perron | 28 | Head | Proprietor | Massachusetts |
| 66 | Joseph E. Perron | 33 | Brother | Steeplejack | Massachusetts |
| 67 | Frank Ratcliffe | 63 | Head | — | Massachusetts |
| 68 | Nellie B. Ratcliffe | 66 | Wife | — | Rhode Island |
| 69 | Clement Grinnell | 22 | Grandson | New Worker | Massachusetts |
| 70 | Francis Brown | 38 | Lodger | Bootblack | Massachusetts |
| 71 | Everett C. Grinnell | 45 | Head | Laborer | Massachusetts |
| 72 | Mary Grinnell | 42 | Wife | — | Massachusetts |
| 73 | Arthur Langton | 44 | Head | Laborer | Massachusetts |
| 74 | Ellen Langton | 42 | Wife | — | Massachusetts |
| 75 | Robert Langton | 19 | Son | — | Massachusetts |
| 76 | June Langton | 15 | Daughter | — | Massachusetts |
| 77 | Helen P. Langton | 13 | Daughter | — | Rhode Island |
| 78 | Arthur Langton | 12 | Son | — | Rhode Island |
| 79 | Chester Langton | 9 | Son | — | Rhode Island |
| 80 | Hazel Langton | 5 | Daughter | — | Massachusetts |
Pedigree Summary
Joseph + 5 siblings
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)