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Joseph Costa — 1940 US Census Record
Model Tree available1940 United States Federal Census · Potter-County, Pennsylvania
Our Model Tree links this Joseph Costa across the 1920, 1930 and 1940 US Censuses in Potter-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Sam & Thomas — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Potter-County, Pennsylvania |
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Austin Boro |
| 1935 Residence (County) | Potter |
| Additional Details | |
| Occupation | Machinist |
| Industry | Paper mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Austin Boro |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Frances Costa | Spouse | — | 24 | ~1916 |
| Mary Costa | Daughter | — | ~1940 | |
| Joseph Costa | Head | — | 27 | ~1913 |
Census Appearances
1920
Potter, Pennsylvania
Son, age 6
Potter, Pennsylvania · implied b. ~1914 — 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 | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Potter, Pennsylvania
Son, age 17
Potter, Pennsylvania · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Joseph S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Potter-County, Pennsylvania
Head, age 27
Potter-County, Pennsylvania · implied b. ~1913 — 3 household members
| Surname | Costa |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Austin Boro |
| 1935 Residence (County) | Potter |
| Occupation | Machinist |
| Industry | Paper mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 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 Sam Costa (~0.92 confidence) and father Thomas Costa (~0.92 confidence) and mother Mary Costa (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Costa
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Thomas Costa
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Costa
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Costa
Head · 1940 · age 27 · b. ~1913 · Pennsylvania
★ 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 — Potter-County, Pennsylvania
Open full size
1940 US Federal Census — Potter-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03600-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles A Glatz | 37 | Head | Rewinder | Pennsylvania |
| 42 | Elizabeth H Glatz | 22 | Wife | — | Pennsylvania |
| 43 | Joseph Costa THIS PERSON | 27 | Head | Machinist | Pennsylvania |
| 44 | Frances Costa | 24 | Wife | — | North Carolina |
| 45 | Mary Ann Costa | 0 | Daughter | — | Pennsylvania |
| 46 | Peter Dumuboski | 25 | Head | Water Tender | Pennsylvania |
| 47 | Martha Dumuboski | 22 | Wife | — | Pennsylvania |
| 48 | Stanley Dumuboski | 2 | Son | — | Pennsylvania |
| 49 | Mary Dumuboski | 0 | Daughter | — | Pennsylvania |
| 50 | Francis Bresslin | 29 | Head | Storeroom Clerk | Pennsylvania |
| 51 | Shirley Bresslin | 29 | Wife | Sales Lady | Maine |
| 52 | Alice Johnson | 42 | Head | Housework | Pennsylvania |
| 53 | Gordon Gaines | 30 | Head | Chipper | Pennsylvania |
| 54 | Edna Gaines | 24 | Wife | — | Pennsylvania |
| 55 | Gordon Gaines | 4 | Son | — | Pennsylvania |
| 56 | Wilbur Gaines | 2 | Son | — | Pennsylvania |
| 57 | Robert Gaines | 1 | Son | — | Pennsylvania |
| 58 | Pauline Gaines | 0 | Daughter | — | Pennsylvania |
| 59 | Dorothy Foster | 24 | Lodger | Maid | Pennsylvania |
| 60 | Loraine Champlin | 15 | Lodger | Maid | New York |
| 61 | Norma Varney | 27 | Head | — | Pennsylvania |
| 62 | Alberta Varney | 8 | Daughter | — | Pennsylvania |
| 63 | Duane Varney | 6 | Son | — | Pennsylvania |
| 64 | Sandra Varney | 1 | Daughter | — | Pennsylvania |
| 65 | William Pringle | 24 | Head | Pipe Fitter | Pennsylvania |
| 66 | Betty Pringle | 23 | Wife | — | New York |
| 67 | Charles Pringle | 3 | Son | — | New York |
| 68 | Richard Pringle | 2 | Son | — | Pennsylvania |
| 69 | Donna J Pringle | 0 | Daughter | — | Pennsylvania |
| 70 | William Caldwell | 23 | Head | Fourth Hand | Pennsylvania |
| 71 | Dorothy Caldwell | 20 | Wife | — | New York |
| 72 | Betty Caldwell | 1 | Daughter | — | Pennsylvania |
| 73 | Raynard Penfield | 22 | Head | Stationary Engineer | Pennsylvania |
| 74 | Genevieve Penfield | 22 | Wife | — | New York |
| 75 | Theyra Penfield | 3 | Daughter | — | Pennsylvania |
| 76 | Edith Rose Penfield | 0 | Daughter | — | Pennsylvania |
| 77 | George Wilcox | 32 | Head | Wax Machine Man | Pennsylvania |
| 78 | Mary B Wilcox | 25 | Wife | — | Pennsylvania |
| 79 | Betty Wilcox | 3 | Daughter | — | Pennsylvania |
| 80 | Ferdinand Shepard | 63 | Head | Counter | Pennsylvania |
Pedigree Summary
Joseph
Gen 1 · 3 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)