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John Casey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Casey across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Edward & Patrick — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Casey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Fountain Clerk |
| Industry | Retail Drugstore |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 400 |
| Highest Grade | C-1 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Fountain Clerk |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1920 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Bernice Casey | Daughter | — | 20 | ~1920 |
| Patrick Casey | Head | — | 55 | ~1885 |
| William Casey | Son | — | 17 | ~1923 |
| John Casey | Son | — | 20 | ~1920 |
| Jennie Casey | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 20
Allegheny-County, Pennsylvania · implied b. ~1920 — 5 household members
| Surname | Casey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Fountain Clerk |
| Industry | Retail Drugstore |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 400 |
| Highest Grade | C-1 |
| 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 John Casey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Casey (~0.92 confidence) and father Patrick Casey (~0.92 confidence) and mother Jennie Casey (~0.92 confidence) and father John Casey (~0.92 confidence) and mother Gertrude Casey (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Casey
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Patrick Casey
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Jennie Casey
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
John Casey
b. ~1899
Source father
● Household
· direct · ~0.92
Mother
Gertrude Casey
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Casey
Son · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Bernice Casey
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Casey
Sibling · 1940 · age 17
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-t0627-03663-00098)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morris Gelman | 45 | Head | Draftsman | Russia |
| 2 | Bessie Gelman | 38 | Wife | — | Romania |
| 3 | Sidney Gelman | 13 | Son | — | Pennsylvania |
| 4 | Leon Gelman | 8 | Son | — | Pennsylvania |
| 5 | Rebecca Unger | 60 | Head | — | Hungary |
| 6 | Esther Unger | 28 | Daughter | Teacher | Pittsburgh |
| 7 | Stanley Unger | 19 | Son | — | Pittsburgh |
| 8 | Hyman Chernew | 31 | Head | Traveling Salesman | Pennsylvania |
| 9 | Anne Chernew | 31 | Wife | — | Poland |
| 10 | Stanley Chernew | 8 | Son | — | Pennsylvania |
| 11 | Rhona Chernew | 2 | Daughter | — | Pennsylvania |
| 12 | Phillip Kanoff | 59 | Head | Salesman | Lithuania |
| 13 | Sara Kanoff | 59 | Wife | — | Lithuania |
| 14 | Rosa Shapiro | 47 | Head | Saleswoman | Russia |
| 15 | Norman Shapiro | 18 | Son | — | Pennsylvania |
| 16 | Jacob Rothbart | 54 | Head | Agent | Poland |
| 17 | Pearl Rothbart | 44 | Wife | — | Lithuania |
| 18 | Rosalie Rothbart | 19 | Daughter | Secretary | Pennsylvania |
| 19 | Deborah Rothbart | 13 | Daughter | — | Pennsylvania |
| 20 | Rube Levy | 38 | Head | Traveling Salesman | New York |
| 21 | Rose Levy | 37 | Wife | — | Russia |
| 22 | Lois Miriam Levy | 5 | Daughter | — | Pennsylvania |
| 23 | Harry Jacobs | 26 | Head | Partner | Pennsylvania |
| 24 | Sadie Jacobs | 24 | Wife | — | Ohio |
| 25 | Gustie Jacobs | 55 | Head | — | Germany |
| 26 | Phillip Jacobs | 56 | Husband | — | Russia |
| 27 | Rosella Jacobs | 20 | Daughter | Clerk | Pennsylvania |
| 28 | Margaret Kolin | 24 | Head | Waitress | Pennsylvania |
| 29 | Ann Kolin | 31 | Sister | Beautician | Pennsylvania |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | David Bernstein | 38 | Head | Salesman | Pennsylvania |
| 33 | Sarah Bernstein | 31 | Wife | — | Pennsylvania |
| 34 | Edward Bernstein | 4 | Son | — | Pennsylvania |
| 35 | Patrick F Casey | 55 | Head | Deputy Sheriff | Pennsylvania |
| 36 | Jennie Casey | 54 | Wife | — | Pennsylvania |
| 37 | Bernice Casey | 20 | Daughter | Stenographer | Pennsylvania |
| 38 | John Casey THIS PERSON | 20 | Son | Fountain Clerk | Pennsylvania |
| 39 | William Casey | 17 | Son | — | Pennsylvania |
| 40 | John E Sullivan | 65 | Head | Watchman | Ireland |
Pedigree Summary
John + 2 siblings
Gen 1 · 5 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)