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William Hartman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Hartman across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Agnes & George — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Eads |
| 1935 Residence (County) | Kiowa |
| Additional Details | |
| Occupation | Clerk |
| Industry | Gulf Lab |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Colorado |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Springdale Borough |
| Est. Birth Year | ~1910 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Hartman | Head | — | 30 | ~1910 |
| Harriet Hartman | Spouse | — | 30 | ~1910 |
| James Hartman | Son | — | 2 | ~1938 |
| William Hartman | Son | — | 3 | ~1937 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 9
Allegheny, Pennsylvania · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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 20
Allegheny, Pennsylvania · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Chain Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 30
Allegheny-County, Pennsylvania · implied b. ~1910 — 4 household members
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Eads |
| 1935 Residence (County) | Kiowa |
| Occupation | Clerk |
| Industry | Gulf Lab |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Colorado |
| 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 William Hartman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Agnes Hartman (~0.92 confidence) and father George Hartman (~0.92 confidence) and father William Hartman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Agnes Hartman
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
George Hartman
b. ~1881
Source father
● Household
· direct · ~0.92
Father
William Hartman
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Hartman
Head · 1940 · age 30 · b. ~1910 · 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-t0627-03418-00072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stella Kyanicki | 56 | wife | — | Poland |
| 2 | Edward Kyanicki | 24 | son | Undertaker | Pennsylvania |
| 3 | James Haley | 33 | head | Tool Maker | Pennsylvania |
| 4 | Kathryn Haley | 32 | wife | — | Pennsylvania |
| 5 | James Haley | 12 | son | — | Pennsylvania |
| 6 | Eugene Haley | 10 | son | — | Pennsylvania |
| 7 | Richard T. Nolasser | 41 | head | Aluminum | Pennsylvania |
| 8 | Margaret Nolasser | 21 | daughter | Aluminum | Pennsylvania |
| 9 | Richard Nolasser | 17 | son | — | Pennsylvania |
| 10 | John Elder | 23 | head | Clerk | Pennsylvania |
| 11 | Francis B. Elder | 23 | wife | — | Pennsylvania |
| 12 | John Elder | 4 | son | — | Pennsylvania |
| 13 | Donald Elder | 3 | son | — | Pennsylvania |
| 14 | William Hartman THIS PERSON | 30 | head | Clerk | Pennsylvania |
| 15 | Harriet Hartman | 30 | wife | — | Wisconsin |
| 16 | William Hartman | 3 | son | — | Pennsylvania |
| 17 | James Hartman | 2 | son | — | Pennsylvania |
| 18 | Edward Roberts | 79 | head | Miner | Austria |
| 19 | Stella Roberts | 49 | wife | — | Missouri |
| 20 | Charles Mooney | 26 | son | Miner | Missouri |
| 21 | Edward Prabhakar | 11 | son | — | Pennsylvania |
| 22 | Virginia Prabhakar | 14 | daughter | — | Pennsylvania |
| 23 | Dolores Prabhakar | 12 | daughter | — | Pennsylvania |
| 24 | Theresa Prabhakar | 9 | daughter | — | Pennsylvania |
| 25 | Salvatore Yenice | 23 | head | Bookkeeper | Pennsylvania |
| 26 | Elizabeth Yenice | 21 | wife | Clerk | Pennsylvania |
| 27 | Paul Miller | 33 | head | Electrician | Virginia |
| 28 | Julia Miller | 33 | wife | — | Missouri |
| 29 | Paul Miller | 11 | son | — | Pennsylvania |
| 30 | Richard Miller | 11 | son | — | Pennsylvania |
| 31 | Gloria Miller | 3 | daughter | — | Pennsylvania |
| 32 | Alphonse Simoncic | 55 | head | — | Austria |
| 33 | Theresa Simoncic | 45 | wife | — | Hungary |
| 34 | Philomena Simoncic | 30 | daughter | Beauty Operator | Pennsylvania |
| 35 | Josephine Simoncic | 26 | daughter | Beauty Operator | Pennsylvania |
| 36 | Alphonse Simoncic | 17 | son | — | Pennsylvania |
| 37 | John Cervier | 30 | head | — | Pennsylvania |
| 38 | Sophie Cervier | 32 | wife | Waitress | Pennsylvania |
| 39 | Victor Cervier | 28 | brother | — | Pennsylvania |
| 40 | Carolyn Cervier | 20 | sister | — | Pennsylvania |
Pedigree Summary
William
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)