HT
Harry Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Harry Thompson across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents E & Sarah — first a head (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Blair |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | State Highway Dept |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 682 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Est. Birth Year | ~1898 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Eloise Thompson | Daughter | — | 21 | ~1919 |
| Harry Thompson | Head | — | 42 | ~1898 |
| Calvin Thompson | Son | — | 15 | ~1925 |
| Harry Thompson | Son | — | 17 | ~1923 |
| Helen Thompson | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Blair, Pennsylvania
Son, age 21
Blair, Pennsylvania · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harry H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brakeman |
| Industry | Steam Rail R. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Head, age 31
Blair, Pennsylvania · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Harry S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Truck Driver |
| Industry | City of Altoona |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4100 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Head, age 42
Blair-County, Pennsylvania · implied b. ~1898 — 5 household members
| Surname | Thompson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Blair |
| 1935 Residence (County) | Blair |
| Occupation | Truck Driver |
| Industry | State Highway Dept |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 682 |
| 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 Harry Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father E Thompson (~0.92 confidence) and mother Sarah Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
E Thompson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Sarah Thompson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Thompson
Head · 1940 · age 42 · b. ~1898 · 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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03438-00370)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Stitt | 30 | Head | Sale Inspector | Pennsylvania |
| 42 | Marie Stitt | 23 | Daughter | — | Pennsylvania |
| 43 | Meryl Stitt | 20 | Daughter | — | Pennsylvania |
| 44 | Charles Stitt | 18 | Son | Laborer | Pennsylvania |
| 45 | Donald Stitt | 15 | Son | Attendant | Pennsylvania |
| 46 | Frank Stitt | 14 | Son | — | Pennsylvania |
| 47 | David Wadsworth | 30 | Head | Automobile Mechanic | Pennsylvania |
| 48 | Agnes Wadsworth | 29 | Wife | — | Pennsylvania |
| 49 | James Wadsworth | 4 | Son | — | Pennsylvania |
| 50 | Clyde Mccune | 50 | Lodger | City Fireman | Pennsylvania |
| 51 | John F. Miller | 31 | Head | Salesman | Pennsylvania |
| 52 | Bertha Miller | 25 | Wife | — | Pennsylvania |
| 53 | Richard Miller | 2 | Son | — | Pennsylvania |
| 54 | Frederick Miller | 1 | Son | — | Pennsylvania |
| 55 | Eugene E. Gracey | 37 | Head | Machinist | Pennsylvania |
| 56 | Alberta Gracey | 35 | Wife | — | Pennsylvania |
| 57 | Robert Gracey | 14 | Son | — | Pennsylvania |
| 58 | Frederick Gracey | 12 | Son | — | Pennsylvania |
| 59 | John F. Mentzer | 45 | Head | Printer | Pennsylvania |
| 60 | Helen Jane Mentzer | 46 | Wife | — | Pennsylvania |
| 61 | George D. Brown | 55 | Head | Builder | Pennsylvania |
| 62 | Maude V. Brown | 56 | Wife | — | Pennsylvania |
| 63 | Harry D. Lyster | 52 | Head | Machinist | Pennsylvania |
| 64 | Flora Mae Lyster | 50 | Wife | — | Pennsylvania |
| 65 | William T. Mchugh | 25 | Lodger | Conductor | Pennsylvania |
| 66 | Harry Thompson THIS PERSON | 42 | Head | Truck Driver | Pennsylvania |
| 67 | Helen Thompson | 39 | Wife | — | Pennsylvania |
| 68 | Eloise Thompson | 21 | Daughter | Shirtmaker | Pennsylvania |
| 69 | Harry Jr. Thompson | 17 | Son | — | Pennsylvania |
| 70 | Calvin Thompson | 15 | Son | — | Pennsylvania |
| 71 | Arthur Brown | 51 | Head | Carpenter | Pennsylvania |
| 72 | Ollie A. Brown | 50 | Wife | — | Pennsylvania |
| 73 | Ira David | 19 | Head | Candy Maker | Pennsylvania |
| 74 | Dorothy David | 17 | Daughter | — | Pennsylvania |
| 75 | Grace David | 14 | Daughter | — | Pennsylvania |
| 76 | Jean David | 10 | Daughter | — | Pennsylvania |
| 77 | Charles David | 4 | Son | — | Pennsylvania |
| 78 | Albert M. Tracey | 65 | Head | — | Pennsylvania |
| 79 | Mary Tracey | 66 | Wife | — | Pennsylvania |
| 80 | James R.R. Cornelius | 70 | Head | — | 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)