HT
Harry Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Harry Thompson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Claude — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Springdale |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Electric power plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Blawnox Borough |
| Est. Birth Year | ~1913 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Virline Thompson | Daughter | — | 8 | ~1932 |
| Patsy Thompson | Daughter | — | 4 | ~1936 |
| Harry Thompson | Head | — | 27 | ~1913 |
| Doris Thompson | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 8
Allegheny, Pennsylvania · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tompson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| 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
Allegheny, Pennsylvania
Son, age 18
Allegheny, Pennsylvania · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 18 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 27
Allegheny-County, Pennsylvania · implied b. ~1913 — 4 household members
| Surname | Thompson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Springdale |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Electric power plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| 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 Harry 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 father Claude Tompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Wilson
b. ~1846
Source father
● Household
· direct · ~0.92
Father
Claude Tompson
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry Thompson
Head · 1940 · age 27 · b. ~1913 · 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-t0627-03398-00016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna R. Snyder | 26 | Wife | — | Pennsylvania |
| 2 | Francis J. Snyder | 1 | Son | — | Pennsylvania |
| 3 | Antoinette Pacella | 64 | Head | — | Italy |
| 4 | Eugene S. Pacella | 32 | Son | Laborer | Italy |
| 5 | Samuel Long | 33 | Head | Welder | Pennsylvania |
| 6 | Frances Q. Long | 25 | Wife | — | Pennsylvania |
| 7 | Edward Long | 6 | Son | — | Pennsylvania |
| 8 | Thelma Long | 3 | Daughter | — | Pennsylvania |
| 9 | Mary O. Green | 48 | Head | — | Pennsylvania |
| 10 | Jo Claffey | 30 | Son | Laborer | Pennsylvania |
| 11 | Harry Thompson THIS PERSON | 27 | Head | Laborer | Pennsylvania |
| 12 | Doris O. Thompson | 27 | Wife | — | Iowa |
| 13 | Virline Thompson | 8 | Daughter | — | Pennsylvania |
| 14 | Patsy Thompson | 4 | Daughter | — | Pennsylvania |
| 15 | Carl Hankey | 39 | Head | Checker In Department | Pennsylvania |
| 16 | Jane O. Hankey | 31 | Wife | — | Pennsylvania |
| 17 | Donald Alu | 29 | Head | Laborer | Italy |
| 18 | Agnes O. Alu | 25 | Wife | — | New York |
| 19 | Carol Alu | 7 | Daughter | — | Pennsylvania |
| 20 | Leonard Alu | 6 | Son | — | Pennsylvania |
| 21 | William Frankel | 24 | Head | Proprietor | Pennsylvania |
| 22 | Gertrude Frankel | 25 | Wife | Family Helper | Pennsylvania |
| 23 | Alexander Hamilton | 32 | Head | Caretaker | Pennsylvania |
| 24 | Nellie Hamilton | 28 | Wife | — | Pennsylvania |
| 25 | Betty Jean Hamilton | 3 | Daughter | — | Pennsylvania |
| 26 | Fred Smith | 22 | Head | Truck Driver | Ohio |
| 27 | Lois O. Smith | 19 | Wife | — | Ohio |
| 28 | Fred Jr. Smith | 1 | Son | — | Pennsylvania |
| 29 | Eli Chuvala | 27 | Head | Laborer | Pennsylvania |
| 30 | Esther Chuvala | 27 | Wife | — | Pennsylvania |
| 31 | Dennis Chuvala | 0 | Son | — | Pennsylvania |
| 32 | Aaron Ruzonberka | 65 | Head | — | Czechoslovakia |
| 33 | Susie Ruzonberka | 54 | Wife | — | Czechoslovakia |
| 34 | David Thompson | 24 | Head | Miner | Pennsylvania |
| 35 | Julia Thompson | 21 | Wife | — | Pennsylvania |
| 36 | Thomas Watson | 29 | Head | Proprietor | Pennsylvania |
| 37 | Sophia Watson | 22 | Wife | Helper | Pennsylvania |
| 38 | Fred Chorre | 50 | Head | Proprietor | Yugoslavia |
| 39 | Amelia Chorre | 47 | Wife | — | Poland |
| 40 | Emma Chorre | 24 | Daughter | Clerk | Pennsylvania |
Pedigree Summary
Harry
Gen 1 · 2 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)