JT
Joseph Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Joseph Thompson across the 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Samuel & Ellen — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Canonsburg |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | butcher |
| Industry | retail market |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 960 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Butcher |
| Township / Ward | Canonsburg |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Theresa Thompson | Daughter | — | 16 | ~1924 |
| Anna Thompson | Daughter | — | 22 | ~1918 |
| Samuel Thompson | Head | — | 54 | ~1886 |
| Gerard Thompson | Son | — | 18 | ~1922 |
| Joseph Thompson | Son | — | 24 | ~1916 |
Census Appearances
1920
Washington, Pennsylvania
Son, age 4
Washington, Pennsylvania · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Washington, Pennsylvania
Son, age 14
Washington, Pennsylvania · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Son, age 24
Washington-County, Pennsylvania · implied b. ~1916 — 5 household members
| Surname | Thompson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Canonsburg |
| 1935 Residence (County) | Washington |
| Occupation | butcher |
| Industry | retail market |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 960 |
| 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 Joseph Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Thompson (~0.92 confidence) and mother Ellen Thompson (~0.92 confidence) and mother Helen Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Thompson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Ellen Thompson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Helen Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Thompson
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Theresa Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerard Thompson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Thompson
Sibling · 1940 · age 22
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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03620-00564)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucian Spalla | 28 | Head | Opener | Pennsylvania |
| 2 | Elizabeth Spalla | 26 | Wife | — | Pennsylvania |
| 3 | Etta Crumm | 65 | Head | — | Pennsylvania |
| 4 | Kathleen Crumm | 35 | Daughter | Teacher | Pennsylvania |
| 5 | Jean Boone | 19 | Grand daughter | — | Pennsylvania |
| 6 | Joseph Walker | 50 | Head | Pan Heater | Pennsylvania |
| 7 | Carrie Walker | 38 | Sister | Sorter | Pennsylvania |
| 8 | Charles Haney | 49 | Brother in law | Shipper | Pennsylvania |
| 9 | Rose Haney | 35 | Sister | — | Pennsylvania |
| 10 | Head Carlies | 26 | Head | Laborer | Pennsylvania |
| 11 | Margaret Carlies | 26 | Wife | Liner | Pennsylvania |
| 12 | Jacob Wozniak | 52 | Head | Heater | Poland |
| 13 | Frances Wozniak | 46 | Wife | — | Pennsylvania |
| 14 | Florence Wozniak | 23 | Daughter | Sorter | Pennsylvania |
| 15 | Joseph Wozniak | 21 | Son | New Worker | Pennsylvania |
| 16 | Edward Wozniak | 20 | Son | New Worker | Pennsylvania |
| 17 | Helen Wozniak | 15 | Daughter | — | Pennsylvania |
| 18 | Rita Wozniak | 9 | Daughter | — | Pennsylvania |
| 19 | Anna Soberski | 78 | Mother-in-law | — | Poland |
| 20 | William Marcus | 69 | Head | Barshearman | Pennsylvania |
| 21 | Harriet Marcus | 63 | Wife | — | Pennsylvania |
| 22 | Dorothy Schmidt | 63 | Lodger | Practical Nurse | Pennsylvania |
| 23 | Joseph Marconi | 48 | Head | Roller | Italy |
| 24 | Angelina Marconi | 43 | Wife | — | Italy |
| 25 | James Marconi | 17 | Son | — | Pennsylvania |
| 26 | Donna Marconi | 15 | Daughter | — | Pennsylvania |
| 27 | Raymond Marconi | 14 | Son | — | Pennsylvania |
| 28 | Frank Marconi | 12 | Son | — | Pennsylvania |
| 29 | Donna Marconi | 5 | Daughter | — | Pennsylvania |
| 30 | Elizabeth Marconi | 2 | Daughter | — | Pennsylvania |
| 31 | Samuel Thompson | 54 | Head | Fireboss | Scotland |
| 32 | Joseph Thompson THIS PERSON | 24 | Son | Butcher | Pennsylvania |
| 33 | Anna Thompson | 22 | Daughter | — | Pennsylvania |
| 34 | Gerard Thompson | 18 | Son | New Worker | Pennsylvania |
| 35 | Theresa Thompson | 16 | Daughter | — | Pennsylvania |
| 36 | James Lee | 63 | Head | Opener | England |
| 37 | Katherine Lee | 52 | Wife | — | Scotland |
| 38 | Bernard Lee | 27 | Son | Secretary | Pennsylvania |
| 39 | Mary Rita Lee | 24 | Daughter | Clerk | Pennsylvania |
| 40 | Charles Laird | 49 | Head | Miner | Pennsylvania |
Related Census Records
Pedigree Summary
Joseph + 3 siblings
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)