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Joseph Costa — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Joseph Costa across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Joseph & Santo — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Costa |
| Given Name | Joseph V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Cast Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 788 |
| Highest Grade | No H2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Josephine Costa | Spouse | — | 40 | ~1900 |
| Joseph Costa | Head | — | 48 | ~1892 |
| Joseph Costa | Son | — | 24 | ~1916 |
| Nancy Costa | Daughter | — | 21 | ~1919 |
| Josephine Costa | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 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 | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Mother Tongue | Italian |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 14 |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 24
Allegheny-County, Pennsylvania · implied b. ~1916 — 5 household members
| Surname | Costa |
| Given Name | Joseph V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Steel Cast Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 788 |
| Highest Grade | No H2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Joseph Costa (~0.92 confidence) and father Santo Costa (~0.92 confidence) and mother Josephine Costa (~0.92 confidence) and mother Tina Costa (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Costa
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Santo Costa
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Josephine Costa
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Tina Costa
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Costa
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Josephine Costa
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Costa
Sibling · 1940 · age 21
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03675-00392)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Myrtle Landry | 36 | Head | Seamstress | Louisiana |
| 2 | Mildred Landry | 18 | Daughter | Sales Clerk | Louisiana |
| 3 | James Landry | 17 | Son | — | Pennsylvania |
| 4 | Gloria Landry | 12 | Daughter | — | Pennsylvania |
| 5 | Francis Landry | 10 | Son | — | Pennsylvania |
| 6 | Robert Landry | 7 | Son | — | Pennsylvania |
| 7 | John Puskar | 49 | Head | Laborer | Germany |
| 8 | Mary Puskar | 48 | Wife | — | Germany |
| 9 | John Puskar | 25 | Son | Laborer | Pennsylvania |
| 10 | Chester Puskar | 23 | Son | Laborer | Pennsylvania |
| 11 | Stephanie Puskar | 20 | Daughter | Clerk | Pennsylvania |
| 12 | Roberta Puskar | 18 | Daughter | New Worker | Pennsylvania |
| 13 | Anthony Puskar | 12 | Son | — | Pennsylvania |
| 14 | Mary Puskar | 9 | Daughter | — | Pennsylvania |
| 15 | Clara Puskar | 6 | Daughter | — | Pennsylvania |
| 16 | Theresa Puskar | 2 | Daughter | — | Pennsylvania |
| 17 | Hazel L. Charnock | 33 | Head | — | Pennsylvania |
| 18 | Hannah Charnock | 14 | Daughter | — | Pennsylvania |
| 19 | Harriet Charnock | 11 | Daughter | — | Pennsylvania |
| 20 | George Rog | 46 | Head | Laborer | Germany |
| 21 | Bertha Rog | 38 | Wife | Vegetable Cleaner | Germany |
| 22 | Sophia Rog | 16 | Daughter | — | Pennsylvania |
| 23 | Genevieve Rog | 14 | Daughter | — | Pennsylvania |
| 24 | Cecelia Rog | 11 | Daughter | — | Pennsylvania |
| 25 | Joseph Zebrowski | 48 | Lodger | Laborer | Germany |
| 26 | Norman Gay | 35 | Head | Mechanic | Pennsylvania |
| 27 | Katherine Gay | 30 | Wife | — | Pennsylvania |
| 28 | Nellie Condrac | 41 | Head | — | Pennsylvania |
| 29 | Robert Condrac | 20 | Son | Sign Painter | Pennsylvania |
| 30 | Stella Condrac | 19 | Daughter | Launderer | Pennsylvania |
| 31 | Edward Condrac | 16 | Son | Painter'S Helper | Pennsylvania |
| 32 | Joseph Costa | 48 | Head | Machinist | Italy |
| 33 | Josephine Costa | 40 | Wife | — | New York |
| 34 | Joseph V. Costa THIS PERSON | 24 | Son | Laborer | Pennsylvania |
| 35 | Nancy Costa | 21 | Daughter | Salesclerk | Pennsylvania |
| 36 | Josephine Costa | 18 | Daughter | — | Pennsylvania |
| 37 | John Scrimka | 61 | Head | Laborer | Yugoslavia |
| 38 | Elizabeth Scrimka | 60 | Wife | — | Yugoslavia |
| 39 | Elizabeth Scrimka | 25 | Daughter | Candy Maker | Pennsylvania |
| 40 | George Scrimka | 22 | Son | Sales Clerk | Pennsylvania |
Pedigree Summary
Joseph + 2 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)