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William Hartman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Berks-County, Pennsylvania
Our Model Tree links this William Hartman across the 1920, 1930 and 1940 US Censuses in Berks-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Rebecca & Jonathan — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Berks-County, Pennsylvania |
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Heidelberg Township |
| 1935 Residence (County) | Berks |
| Additional Details | |
| Occupation | Molder |
| Industry | Brick Plant |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1050 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Molder |
| Township / Ward | Heidelberg Township |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Leroy Hartman | Son | — | 18 | ~1922 |
| Jonathan Hartman | Other | — | 21 | ~1919 |
| Cora Hartman | Spouse | — | 36 | ~1904 |
| William Hartman | Head | — | 42 | ~1898 |
Census Appearances
1920
Berks, Pennsylvania
Son, age 22
Berks, Pennsylvania · implied b. ~1898 — 5 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 | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Furnace |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Berks, Pennsylvania
Head, age 32
Berks, Pennsylvania · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Winder |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Berks-County, Pennsylvania
Head, age 42
Berks-County, Pennsylvania · implied b. ~1898 — 4 household members
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Heidelberg Township |
| 1935 Residence (County) | Berks |
| Occupation | Molder |
| Industry | Brick Plant |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1050 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| 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 Rebecca Hartman (~0.92 confidence) and father Jonathan Hartman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rebecca Hartman
b. ~1862
Source mother
● Household
· direct · ~0.92
Father
Jonathan Hartman
b. ~1863
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Hartman
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 — Berks-County, Pennsylvania
Open full size
1940 US Federal Census — Berks-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03433-00395)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emilie B. Jacopentier | 32 | Head | Bus Driver | Ohio |
| 2 | John Reeder | 47 | Head | Farmer | Pennsylvania |
| 3 | Mary Reeder | 43 | Wife | Farm Laborer | Pennsylvania |
| 4 | Edith Reeder | 21 | Daughter | Knitter | Pennsylvania |
| 5 | Elwood Reeder | 19 | Son | Farm Laborer | Pennsylvania |
| 6 | Elliott Reeder | 7 | Son | — | Pennsylvania |
| 7 | John Engle | 36 | Head | Farm Laborer | Pennsylvania |
| 8 | Mary Engle | 25 | Wife | — | Pennsylvania |
| 9 | William Hartman THIS PERSON | 42 | Head | Molder | Pennsylvania |
| 10 | Cora Hartman | 36 | Wife | — | Pennsylvania |
| 11 | Leroy Hartman | 18 | Son | Farm Laborer | Pennsylvania |
| 12 | Jonathan Hartman | 21 | Brother | Farm Laborer | Pennsylvania |
| 13 | Luke Heppley | 32 | Head | Brick Setter | Pennsylvania |
| 14 | Bertha Heppley | 29 | Wife | — | Pennsylvania |
| 15 | Luke Heppley | 12 | Son | — | Pennsylvania |
| 16 | Carl Heppley | 10 | Son | — | Pennsylvania |
| 17 | Theresa Heppley | 8 | Son | — | Pennsylvania |
| 18 | Ruth Heppley | 4 | Daughter | — | Pennsylvania |
| 19 | Howard D. Bennethem | 32 | Head | Legger | Pennsylvania |
| 20 | Elsa Bennethem | 27 | Wife | — | Pennsylvania |
| 21 | Leonard C. Bennethem | 6 | Son | — | Pennsylvania |
| 22 | Harold Bennethem | 12 | Brother | News Worker | Pennsylvania |
| 23 | Merna Hampersly | 31 | Lodger | Mechanist | Pennsylvania |
| 24 | Joseph Clay | 33 | Head | Asst Crane Worker | Pennsylvania |
| 25 | Emma Clay | 23 | Wife | — | Pennsylvania |
| 26 | Ronald Clay | 3 | Son | — | Pennsylvania |
| 27 | Gerald Clay | 1 | Son | — | Pennsylvania |
| 28 | Joan Louise Clay | None | Daughter | — | Pennsylvania |
| 29 | John Grubbe | 51 | Head | Odd Job Laborer | Pennsylvania |
| 30 | Emma Grubbe | 81 | Mother | — | Pennsylvania |
| 31 | Edna Grubbe | 17 | Daughter | — | Pennsylvania |
| 32 | Charles D. Tainback | 63 | Head | Agent & Telegrapher | Pennsylvania |
| 33 | Helena E. Tainback | 63 | Wife | — | Pennsylvania |
| 34 | June R. Good | 27 | Lodger | Grade Teacher | Pennsylvania |
| 35 | Paul M. Boyer | 56 | Head | Agent | Pennsylvania |
| 36 | Minnie Boyer | 43 | Wife | — | Pennsylvania |
| 37 | Warner William Boyer | 22 | Step-Son | Laborer | Pennsylvania |
| 38 | Emma Boyer | 20 | Daughter-in-law | — | Pennsylvania |
| 39 | Peter M. Boyer | 82 | Father | — | Pennsylvania |
| 40 | Harold Burkholder | 37 | Head | Foreman | Pennsylvania |
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)