JC
Joseph Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Joseph Cook across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Steve & Margaret — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Cook |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes Barre City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Laborer |
| Industry | Coal Mines |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Wilkes Barre City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Margaret Cook | Daughter | — | 16 | ~1924 |
| Steve Cook | Head | — | 51 | ~1889 |
| Joseph Cook | Son | — | 23 | ~1917 |
| James Cook | Son | — | 13 | ~1927 |
| Margaret Cook | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Luzerne, Pennsylvania
Son, age 4
Luzerne, Pennsylvania · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 14
Luzerne, Pennsylvania · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Son, age 23
Luzerne-County, Pennsylvania · implied b. ~1917 — 5 household members
| Surname | Cook |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes Barre City |
| 1935 Residence (County) | Luzerne |
| Occupation | Laborer |
| Industry | Coal Mines |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Steve Cook (~0.92 confidence) and mother Margaret Cook (~0.92 confidence) and father Stephen Cook (~0.92 confidence) and father Steven Cook (~0.92 confidence) and mother Anna Cook (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Steve Cook
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Margaret Cook
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Stephen Cook
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Steven Cook
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Anna Cook
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Cook
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Cook
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cook
Sibling · 1940 · age 13
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
30 people indexed on this census page (nara:1940:m-t0627-03562-00358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Sarah Rabinowitz | 70 | Head | — | Russia |
| 3 | Samuel Rabinowitz | 48 | Son | Huckster | Pennsylvania |
| 4 | George Gacho | 30 | Head | Loom Fixer | Pennsylvania |
| 5 | Catherine Gacho | 28 | Wife | — | Pennsylvania |
| 6 | George Gacho | 7 | Grandson | — | Pennsylvania |
| 7 | Barbara Ann Gacho | 6 | Granddaughter | — | Pennsylvania |
| 8 | Thomas Joseph Gacho | 3 | Grandson | — | Pennsylvania |
| 9 | Patrick Gacho | 2 | Granddaughter | — | Pennsylvania |
| 10 | Joseph Stephen Gacho | 1 | Grandson | — | Pennsylvania |
| 12 | Joseph Grebinski | 28 | Head | Laborer | Pennsylvania |
| 13 | Marie Grebinski | 26 | Wife | — | Pennsylvania |
| 14 | Thomas Grebinski | 6 | Son | — | Pennsylvania |
| 15 | Thomas Larson | 32 | Brother in law | Laborer | Pennsylvania |
| 16 | Steve Cook | 51 | Head | Miner | Pennsylvania |
| 17 | Margaret Cook | 49 | Wife | — | Pennsylvania |
| 18 | Joseph Cook THIS PERSON | 23 | Son | Laborer | Pennsylvania |
| 19 | Margaret Cook | 16 | Daughter | — | Pennsylvania |
| 20 | James Cook | 13 | Son | — | Pennsylvania |
| 22 | Mrs Mary Kromoya | 31 | Head | Beautician | New York |
| 23 | Mary Kromoya | 12 | Daughter | — | Pennsylvania |
| 24 | Helenice|Helenice Kromoya | 28 | Sister | Servant | Pennsylvania |
| 25 | Ann Kromoya | 18 | Sister | New Worker | Pennsylvania |
| 27 | Matthew Kolar | 52 | Head | Laborer | Yugoslavia |
| 28 | Anthony Kaminski | 56 | Lodger | Miner | Russia |
| 29 | Izo Kutler | 61 | Lodger | — | Austria |
| 30 | Mary A Gallagher | 45 | Head | Bookkeeper | Pennsylvania |
| 31 | Nancy Gallagher | 40 | Sister | Stenographer | Pennsylvania |
| 32 | Joseph Loughren | 33 | Head | Painter | Penna |
| 33 | Anna Loughren | 22 | Wife | Seamstress | Penna |
| 34 | Edith Moses | 69 | Head | Teacher | Penna |
Pedigree Summary
Joseph + 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)