JC
James Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this James Cooper across the 1910, 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lewis & Mary — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Nanticoke City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Rope Splicer |
| Industry | Coal Mines |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Rope Splicer |
| Township / Ward | Nanticoke City |
| Est. Birth Year | ~1907 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Catherine Cooper | Daughter | — | 11 | ~1929 |
| James Cooper | Head | — | 33 | ~1907 |
| James Cooper | Son | — | 5 | ~1935 |
| Ruth Cooper | Spouse | — | 32 | ~1908 |
Census Appearances
1910
Luzerne, Pennsylvania
Son, age 1
Luzerne, Pennsylvania · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Luzerne, Pennsylvania
Son, age 12
Luzerne, Pennsylvania · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | James |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Head, age 23
Luzerne, Pennsylvania · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Pipe Man |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 22 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Head, age 33
Luzerne-County, Pennsylvania · implied b. ~1907 — 4 household members
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Nanticoke City |
| 1935 Residence (County) | Luzerne |
| Occupation | Rope Splicer |
| Industry | Coal Mines |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 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 James Cooper across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lewis Cooper (~0.92 confidence) and mother Mary Cooper (~0.92 confidence) and father Joseph Cooper (~0.92 confidence) and mother Mary Cooper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lewis Cooper
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Cooper
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Joseph Cooper
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Cooper
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Cooper
Head · 1940 · age 33 · b. ~1907 · 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 — 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-t0627-03556-00494)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vincent Gulianna | 45 | Head | Laborer | Italy |
| 42 | Jennie Gulianna | 42 | Wife | — | Italy |
| 43 | Louis Gulianna | 12 | Son | — | Pennsylvania |
| 44 | Mary Gulianna | 7 | Daughter | — | Pennsylvania |
| 45 | Stella Volpicelli | 60 | Boarder | — | Italy |
| 46 | Louis Volpicelli | 49 | Boarder | Laborer | Italy |
| 47 | Thomas Dooley | 55 | Boarder | Laborer | Italy |
| 48 | Jennie Patterson | 63 | Head | — | Scotland |
| 49 | Margaret Patterson | 26 | Daughter | Doubling | Pennsylvania |
| 50 | Margaret Chyder | 45 | Daughter | — | Pennsylvania |
| 51 | John Murawski | 67 | Head | — | Poland |
| 52 | Mary Murawski | 65 | Wife | — | Poland |
| 53 | Michael Stahl | 51 | Step-son | Ticket Taker | Pennsylvania |
| 54 | David B. Pitner | 46 | Head | Laborer | Pennsylvania |
| 55 | Lillian Pitner | 44 | Wife | — | Pennsylvania |
| 56 | Anna Pitner | 25 | Daughter | Can Binder | Pennsylvania |
| 57 | David Jr. Pitner | 22 | Son | Silk Worker | Pennsylvania |
| 58 | Julia Pitner | 18 | Daughter | Winder | Pennsylvania |
| 59 | William Pitner | 13 | Son | — | Pennsylvania |
| 60 | Lillian Jenkins | 4 | Granddaughter | — | Pennsylvania |
| 61 | Elvira Jenkins | 2 | Granddaughter | — | Pennsylvania |
| 62 | Lucee Davis | 61 | Boarder | Laborer | Pennsylvania |
| 63 | Leonard Cummings | 28 | Boarder | Fireman | Pennsylvania |
| 64 | Francis May | 43 | Head | Collector | Pennsylvania |
| 65 | Charlotte May | 33 | Wife | — | Pennsylvania |
| 66 | Mary May | 5 | Daughter | — | Pennsylvania |
| 67 | Robert May | 2 | Son | — | Pennsylvania |
| 68 | Andrew Greytak | 41 | Head | Paper Hanging & Painting | Pennsylvania |
| 69 | Mary Greytak | 37 | Wife | — | Pennsylvania |
| 70 | Dolores Greytak | 9 | Daughter | — | Pennsylvania |
| 71 | Mary Greytak | 70 | Head | — | Czechoslovakia |
| 72 | Helen Greytak | 32 | Daughter | — | Pennsylvania |
| 73 | Anthony Czapnik | 51 | Head | Organist | Poland |
| 74 | Sophie Czapnik | 47 | Wife | — | Pennsylvania |
| 75 | John Czapnik | 27 | Son | Attendant | Pennsylvania |
| 76 | Peter Turpinski | 47 | Boarder | — | Pennsylvania |
| 77 | James Cooper THIS PERSON | 33 | Head | Rope Splicer | Pennsylvania |
| 78 | Ruth Cooper | 32 | Wife | — | Pennsylvania |
| 79 | Catherine Cooper | 11 | Daughter | — | Pennsylvania |
| 80 | James Jr. Cooper | 5 | Son | — | Pennsylvania |
Pedigree Summary
James
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)