ST
Samuel Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Samuel Thompson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Samuel Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilmerding Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Wilmerding Boro |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Samuel | Age | Birth yr |
|---|---|---|---|---|
| Samuel Thompson | Head | — | 60 | ~1880 |
| Samuel Thompson | Son | — | 26 | ~1914 |
| Elizabeth Thompson | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Samuel |
| 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
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Samuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 15 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 3 household members
| Surname | Thompson |
| Given Name | Samuel Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilmerding Boro |
| 1935 Residence (County) | Allegheny |
| Highest Grade | Hs 4 |
| 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 Samuel Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Wilson (~0.92 confidence) and mother Elizabeth Thompson (~0.92 confidence) and father James Thompson (~0.92 confidence) and father Samuel Thompson (~0.92 confidence) and mother Rebecca Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Wilson
b. ~1846
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Thompson
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
James Thompson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Samuel Thompson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Rebecca Thompson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Samuel Thompson
Son · 1940 · age 26 · b. ~1914 · 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 — 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-t0627-03421-00877)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Price | 51 | Wife | — | Pennsylvania |
| 2 | Charles Price | 22 | Son | Machinist Hand | Pennsylvania |
| 3 | Charles Muir | 52 | Head | — | Pennsylvania |
| 4 | Violet Muir | 45 | Wife | — | Pennsylvania |
| 5 | Catherine Muir | 22 | Daughter | Clerk | Pennsylvania |
| 6 | Charles Jr. Muir | 19 | Son | — | Pennsylvania |
| 7 | Henry Steinbaugh | 79 | Father-in-law | — | Pennsylvania |
| 8 | David Steinbaugh | 31 | Brother-in-law | Laborer | Pennsylvania |
| 9 | William Proctor | 79 | Head | — | England |
| 10 | William S. Proctor | 51 | Son | Machine Hand | Pennsylvania |
| 11 | Albert R. Proctor | 45 | Son | Machine Hand | Pennsylvania |
| 12 | Daniel Weaver | 64 | Head | Laborer | Pennsylvania |
| 13 | Ella Weaver | 62 | Wife | — | Pennsylvania |
| 14 | Viola Weaver | 30 | Daughter | Clerk | Pennsylvania |
| 15 | Donald Weaver | 27 | Son | Clerk | Pennsylvania |
| 16 | George Lesher | 55 | Brother-in-law | — | Pennsylvania |
| 17 | Emma Mckee | 56 | Head | — | Pennsylvania |
| 18 | Theodore Medina | 36 | Lodger | Laborer | Mexico |
| 19 | Samuel Thompson | 60 | Head | Assistant Foreman | Ireland |
| 20 | Elizabeth Thompson | 60 | Wife | — | Ireland |
| 21 | Samuel Jr. Thompson THIS PERSON | 26 | Son | — | Pennsylvania |
| 22 | John Murphy | 63 | Head | Bench Hand | Scotland |
| 23 | Grace Murphy | 24 | Daughter | Typist | Pennsylvania |
| 24 | Catherine Davenport | 59 | Head | — | Pennsylvania |
| 25 | Lois Davenport | 25 | Daughter | Clerk | Pennsylvania |
| 26 | Robert Davis | 64 | Head | Machinist Hand | North Carolina |
| 27 | Bessie Davis | 47 | Wife | — | Pennsylvania |
| 28 | James Davis | 18 | Son | — | Pennsylvania |
| 29 | Margaret Davis | 16 | Daughter | — | Pennsylvania |
| 30 | Charles Davis | 14 | Son | — | Pennsylvania |
| 31 | Francis Davis | 12 | Son | — | Pennsylvania |
| 32 | John Davis | 10 | Son | — | Pennsylvania |
| 33 | George Herget | 40 | Head | Brake Tester | Pennsylvania |
| 34 | Margaret Herget | 38 | Wife | — | Pennsylvania |
| 35 | Kenneth Herget | 17 | Son | — | Pennsylvania |
| 36 | Ida Herget | 13 | Daughter | — | Pennsylvania |
| 37 | George Jr. Herget | 8 | Son | — | Pennsylvania |
| 38 | Patrick Kennedy | 71 | Father | — | Ireland |
| 39 | Anna Marie Kennedy | 70 | Mother | — | Pennsylvania |
| 40 | Ward Kennedy | 35 | Head | Clerk | Pennsylvania |
Pedigree Summary
Samuel
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)