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William Hartman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clermont-County, Ohio
Our Model Tree links this William Hartman across the 1920, 1930 and 1940 US Censuses in Clermont-County, Ohio (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clermont-County, Ohio |
| Surname | Hartman |
| Given Name | William R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Coal & Lumber Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Truck Driver |
| Township / Ward | Milford Village |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Reina Hartman | Spouse | — | 29 | ~1911 |
| William Hartman | Head | — | 30 | ~1910 |
| William Hartman | Son | — | 2 | ~1938 |
Census Appearances
1920
Hamilton, Ohio
Son, age 9
Hamilton, Ohio · implied b. ~1911 — 3 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 | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 19
Hamilton, Ohio · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Truck Driver |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clermont-County, Ohio
Head, age 30
Clermont-County, Ohio · implied b. ~1910 — 3 household members
| Surname | Hartman |
| Given Name | William R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hamilton |
| Occupation | Truck Driver |
| Industry | Coal & Lumber Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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: father Edward Hartman (~0.92 confidence) and father Edward Hartman (~0.92 confidence) and mother Kate Hartman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Hartman
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Edward Hartman
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Kate Hartman
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hartman
Head · 1940 · age 30 · b. ~1910 · Ohio
★ 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 — Clermont-County, Ohio
Open full size
1940 US Federal Census — Clermont-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03041-00330)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Applegate | 48 | Head | Salesman | Ohio |
| 42 | Hazel D Applegate | 42 | Wife | — | Ohio |
| 43 | Martha Applegate | 19 | Daughter | — | Ohio |
| 44 | Mary Applegate | 14 | Daughter | — | Ohio |
| 45 | Eleanor Ann Applegate | 8 | Daughter | — | Ohio |
| 46 | Charles Applegate | 7 | Son | — | Ohio |
| 47 | William R Hartman THIS PERSON | 30 | Head | Truck Driver | Ohio |
| 48 | Reina D Hartman | 29 | Wife | — | Ohio |
| 49 | William Jr Hartman | 2 | Son | — | Ohio |
| 50 | Effie Fisher | 68 | Head | — | Ohio |
| 51 | Nellie Fisher | 44 | Daughter | Investigator | Ohio |
| 52 | John B Adams | 68 | Head | — | Ohio |
| 53 | Ethel Adams | 62 | Wife | — | Ohio |
| 54 | Harold Shelly | 30 | Lodger | Teacher | Ohio |
| 55 | Gerald Kackley | 25 | Lodger | Teacher | Indiana |
| 56 | Rudolph Schneider | 45 | Head | Painter | Ohio |
| 57 | Helen K Schneider | 40 | Wife | — | Ohio |
| 58 | Robert Schneider | 17 | Son | — | Ohio |
| 59 | Jane Schneider | 15 | Daughter | — | Ohio |
| 60 | Arthur Sr Flynn | 51 | Head | Salesman | Ohio |
| 61 | Catherine Flynn | 43 | Wife | — | Ohio |
| 62 | Arthur Jr Flynn | 22 | Son | Clerk | Ohio |
| 63 | Daniel A Moriarty | 68 | Son-in-law | — | Ohio |
| 64 | Clarence Hoffman | 31 | Head | Clerk | Ohio |
| 65 | Henrietta Hoffman | 27 | Wife | Stenographer | Ohio |
| 66 | Bernard H Brunson | 41 | Head | Operator | Ohio |
| 67 | Grace Brunson | 33 | Wife | — | Ohio |
| 68 | Frederick Brunson | 12 | Son | — | Ohio |
| 69 | Albert Brunson | 11 | Son | — | Ohio |
| 70 | Laura Brunson | 7 | Daughter | — | Ohio |
| 71 | Lois Brunson | 5 | Daughter | — | Ohio |
| 72 | Lewis Brunson | 2 | Son | — | Ohio |
| 73 | John Sr Roflow | 30 | Head | Painter | Ohio |
| 74 | Louise Roflow | 24 | Wife | — | Ohio |
| 75 | Nancy Lee Roflow | 5 | Daughter | — | Ohio |
| 76 | John Jr Roflow | 3 | Son | — | Ohio |
| 77 | Henry Drinkers | 27 | Head | Landscaper | Ohio |
| 78 | Mildred Drinkers | 24 | Wife | — | Kentucky |
| 79 | Shirley Drinkers | 1 | Daughter | — | Ohio |
| 80 | Luther Penn | 30 | Head | Mfgr. | Ohio |
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)