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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 William & Dorothy — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
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 | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Box Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1780 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1907 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Hartman | Son | — | 3 | ~1937 |
| William Hartman | Head | — | 33 | ~1907 |
| Carrie Hartman | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Lehigh, Pennsylvania
Son, age 12
Lehigh, Pennsylvania · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 23
Allegheny, Pennsylvania · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 33 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 33
Allegheny-County, Pennsylvania · implied b. ~1907 — 3 household members
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Truck Driver |
| Industry | Box Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1780 |
| 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 William Hartman across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father William Hartman (~0.92 confidence) and mother Dorothy Hartman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hartman
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Dorothy Hartman
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hartman
Head · 1940 · age 33 · b. ~1907 · 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-t0627-03668-00306)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carol Davis | 0 | Daughter | — | Pennsylvania |
| 2 | Mathilda Engel | 46 | Head | Seamstress | Pennsylvania |
| 3 | Paul Engel | 19 | Son | Mallow Helper | Pennsylvania |
| 4 | Howard Engel | 18 | Son | Key Maker | Pennsylvania |
| 5 | Edwin A. Clarry | 25 | Head | Shipper | Massachusetts |
| 6 | Dorothy Clarry | 24 | Wife | Sales Clerk | Pennsylvania |
| 7 | Charles Mckinley | 20 | Brother in law | File Clerk | Pennsylvania |
| 8 | Milton Ross | 27 | Head | Salesman | Pennsylvania |
| 9 | Jessie Ross | 32 | Wife | Stenographer | Pennsylvania |
| 10 | George Witt | 40 | Head | Laborer | Pennsylvania |
| 11 | Agnes Witt | 33 | Wife | Investigator | Pennsylvania |
| 12 | Joseph W. Bucher | 56 | Head | Pattern Maker | Pennsylvania |
| 13 | Ida Bucher | 50 | Wife | — | Pennsylvania |
| 14 | Shirley Bucher | 30 | Daughter | Seamstress | Pennsylvania |
| 15 | Ernest Hahn | 27 | Head | Clerk | Pennsylvania |
| 16 | Hahn | 26 | Wife | Stenographer | Pennsylvania |
| 17 | Daniel D. Welsh | 43 | Head | Proprietor | Ohio |
| 18 | Hulda K. Welsh | 38 | Wife | — | Ohio |
| 19 | Glenn E. Welsh | 18 | Son | — | Pennsylvania |
| 20 | William Amann | 73 | Head | — | Pennsylvania |
| 21 | Elizabeth Amann | 75 | Wife | — | Germany |
| 22 | William Hartman THIS PERSON | 33 | Head | Truck Driver | Pennsylvania |
| 23 | Carrie Hartman | 29 | Wife | — | Pennsylvania |
| 24 | Kenneth Hartman | 3 | Son | — | Pennsylvania |
| 25 | Annetta Taggart | 54 | Head | — | Pennsylvania |
| 26 | Ronald Taggart | 25 | Grandson | Salesman | Ohio |
| 27 | George Sallows | 39 | Head | Salesman | Pennsylvania |
| 28 | Enid Sallows | 36 | Wife | — | Pennsylvania |
| 29 | Peter Madden | 54 | Head | Special Officer | Pennsylvania |
| 30 | Loretta Madden | 32 | Wife | — | Pennsylvania |
| 31 | Alice Madden | 0 | Daughter | — | Pennsylvania |
| 32 | Virginia Hart | 33 | Head | — | Pennsylvania |
| 33 | Catherine Hart | 16 | Daughter | — | Pennsylvania |
| 34 | James R. Finn | 37 | Head | Brakeman | Maryland |
| 35 | Lillie Finn | 34 | Wife | — | Maryland |
| 36 | Robert Finn | 13 | Son | — | Maryland |
| 37 | Marion Finn | 9 | Daughter | — | Maryland |
| 38 | Barbara Finn | 8 | Daughter | — | Pennsylvania |
| 39 | Mary V. Finn | 5 | Daughter | — | Pennsylvania |
| 40 | Nell O'Hara | 65 | Head | — | England |
Pedigree Summary
William
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)