JC
John Casey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this John Casey across the 1910, 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Casey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Larksville Borough |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Labor |
| Industry | Coal |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 250 |
| Highest Grade | No H 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Labor |
| Township / Ward | Larksville Borough |
| Est. Birth Year | ~1905 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Casey | Head | — | 59 | ~1881 |
| James Casey | Son | — | 29 | ~1911 |
| Joseph Casey | Son | — | 33 | ~1907 |
| John Casey | Son | — | 35 | ~1905 |
Census Appearances
1910
Luzerne, Pennsylvania
Son, age 6
Luzerne, Pennsylvania · implied b. ~1904 — 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 | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Luzerne, Pennsylvania
Son, age 15
Luzerne, Pennsylvania · implied b. ~1905 — 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 | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 25
Luzerne, Pennsylvania · implied b. ~1905 — 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 | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Coal Mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Son, age 35
Luzerne-County, Pennsylvania · implied b. ~1905 — 4 household members
| Surname | Casey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Larksville Borough |
| 1935 Residence (County) | Luzerne |
| Occupation | Labor |
| Industry | Coal |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 250 |
| Highest Grade | No H 4 |
| 1935 Residence | Same House |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Casey (~0.92 confidence) and father James Casey (~0.92 confidence) and father James Casey (~0.92 confidence) and mother Bridget Casey (~0.92 confidence) and father James Casey (~0.92 confidence) and mother Bridget Casey (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Casey
b. ~1880
Source father
● Household
· direct · ~0.92
Father
James Casey
b. ~1880
Source father
● Household
· direct · ~0.92
Father
James Casey
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Bridget Casey
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
James Casey
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Bridget Casey
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Casey
Son · 1940 · age 35 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
James Casey
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Casey
Sibling · 1940 · age 33
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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03555-00429)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Bialek | 37 | Son | Miner | Pennsylvania |
| 2 | John Bialek | 34 | Son | Plat Form Boss | Pennsylvania |
| 3 | Andrew Bialek | 26 | Son | New Worker | Pennsylvania |
| 4 | Stanley Bialek | 22 | Son | New Worker | Pennsylvania |
| 5 | Paul Bialek | 19 | Son | — | Pennsylvania |
| 6 | Betty Bialek | 14 | Daughter | — | Pennsylvania |
| 7 | James Butler | 58 | Head | Carpenter | Pennsylvania |
| 8 | Ellen Butler | 53 | Wife | — | Pennsylvania |
| 9 | Merlin Butler | 23 | Son | Houseman | Pennsylvania |
| 10 | James Butler | 18 | Son | — | Pennsylvania |
| 11 | Michael Beretsky | 54 | Head | Coman | Pennsylvania |
| 12 | Stella Beretsky | 48 | Wife | — | Pennsylvania |
| 13 | Virginia Beretsky | 22 | Daughter | Clerk | Indiana |
| 14 | Richard Stapleton | 47 | Head | Druggist | Pennsylvania |
| 15 | Anna Stapleton | 50 | Sister | Teacher | Pennsylvania |
| 16 | Helen Stapleton | 47 | Sister | Teacher | Pennsylvania |
| 17 | Laura Kniece | 54 | Daughter | Dressmaker | Pennsylvania |
| 18 | Agnes Kniece | 84 | Head | — | Pennsylvania |
| 19 | Corey Nash | 36 | Head | Labor | Pennsylvania |
| 20 | Anna Nash | 31 | Wife | — | Pennsylvania |
| 21 | Dorothy Nash | 14 | Daughter | — | Pennsylvania |
| 22 | Corey Nash | 13 | Son | — | Pennsylvania |
| 23 | Charles Nash | 6 | Son | — | Pennsylvania |
| 24 | Joseph Gallagher | 47 | Head | Labor | Pennsylvania |
| 25 | Margaret Gallagher | 41 | Wife | — | Pennsylvania |
| 26 | Rosalie Gallagher | 13 | Daughter | — | Pennsylvania |
| 27 | Edward Gallagher | 10 | Son | — | Pennsylvania |
| 28 | Mary Gallagher | 8 | Daughter | — | Pennsylvania |
| 29 | Joseph Gallagher | 5 | Son | — | Pennsylvania |
| 30 | Frank Farrell | 54 | Head | Labor | Pennsylvania |
| 31 | Ellen Farrell | 50 | Wife | — | Pennsylvania |
| 32 | Harry Daniel | 25 | Adopted Son | — | Pennsylvania |
| 33 | John Butler | 55 | Head | Janitor | Pennsylvania |
| 34 | Leona M. Butler | 43 | Wife | — | Pennsylvania |
| 35 | Betty Butler | 16 | Daughter | — | Pennsylvania |
| 36 | James Butler | 60 | Brother | Labor | Pennsylvania |
| 37 | James Casey | 59 | Head | Salesman | Pennsylvania |
| 38 | John Casey THIS PERSON | 35 | Son | Labor | Pennsylvania |
| 39 | Joseph Casey | 33 | Son | Florist | Pennsylvania |
| 40 | James Jr Casey | 29 | Son | Labor | Pennsylvania |
Related Census Records
Pedigree Summary
John + 2 siblings
Gen 1 · 6 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)