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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 John & Bessie — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clermont-County, Ohio |
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Batavia Township |
| 1935 Residence (County) | Clermont |
| Additional Details | |
| Occupation | Farm Operator |
| Industry | Main Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Farm Operator |
| Township / Ward | Batavia Township |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| William Hartman | Son | — | 22 | ~1918 |
| John Hartman | Head | — | 69 | ~1871 |
| Bessie Hartman | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Clermont, Ohio
Son, age 2
Clermont, Ohio · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clermont, Ohio
Son, age 12
Clermont, Ohio · implied b. ~1918 — 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 | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clermont-County, Ohio
Son, age 22
Clermont-County, Ohio · implied b. ~1918 — 3 household members
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Batavia Township |
| 1935 Residence (County) | Clermont |
| Occupation | Farm Operator |
| Industry | Main Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| 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 John Hartman (~0.92 confidence) and mother Bessie Hartman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hartman
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Bessie Hartman
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hartman
Son · 1940 · age 22 · b. ~1918 · 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-t0627-03041-00072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Estel E Brunk | 43 | Head | Caretaker | Ohio |
| 2 | Fanny Brunk | 65 | Mother | — | Ohio |
| 3 | Thomas Navett | 52 | Head | Laborer | Ohio |
| 4 | Ida Navett | 46 | Wife | — | Ohio |
| 5 | William Navett | 21 | Son | Laborer | Ohio |
| 6 | Fanny M Navett | 16 | Daughter | — | Ohio |
| 7 | Hazel Navett | 13 | Daughter | — | Ohio |
| 8 | James Navett | 8 | Son | — | Ohio |
| 9 | Darrell M Navett | 5 | Son | — | Ohio |
| 10 | Warren Navett | 3 | Son | — | Ohio |
| 11 | Glenn Navett | 0 | Son | — | Ohio |
| 12 | Joan Navett | 0 | Daughter | — | Ohio |
| 13 | John F Hartman | 69 | Head | Tailor | Indiana |
| 14 | Bessie R Hartman | 61 | Wife | — | Ohio |
| 15 | William Hartman THIS PERSON | 22 | Son | Farm Operator | Ohio |
| 16 | Lott Hulick | 67 | Head | Farm Operator | Ohio |
| 17 | Emma Hulick | 57 | Wife | — | Ohio |
| 18 | James W Hulick | 25 | Son | Assistant Farm Operator | Ohio |
| 19 | Ralph Hulick | 22 | Son | Salesman | Ohio |
| 20 | Charles Moon | 35 | Head | Welder | Kentucky |
| 21 | Lula Moon | 37 | Wife | — | Kentucky |
| 22 | Lois Moon | 17 | Daughter | — | Ohio |
| 23 | Joseph Bellacchino | 52 | Head | — | Italy |
| 24 | Jeanette Bellacchino | 42 | Wife | — | Italy |
| 25 | Angelo Bellacchino | 25 | Son | Laborer | Ohio |
| 26 | Mary Bellacchino | 24 | Daughter | — | Ohio |
| 27 | Anthony Bellacchino | 22 | Son | Shoe Worker | Ohio |
| 28 | Frank Bellacchino | 20 | Son | Farmer | Ohio |
| 29 | Carl Bellacchino | 14 | Son | Picker Shovel | Ohio |
| 30 | Thomas Bellacchino | 15 | Son | — | Ohio |
| 31 | Joseph Jr Bellacchino | 8 | Son | — | Ohio |
| 32 | Lucy Bellacchino | 5 | Daughter | — | Ohio |
| 33 | Anthony Roma | 68 | Father-in-law | Farmer | Italy |
| 34 | Nathan H Davidson | 53 | Head | Farm Operator | Ohio |
| 35 | Stella Davidson | 52 | Wife | — | Ohio |
| 36 | Joseph Bender | 51 | Head | Farm Operator | Germany |
| 37 | Veronica Bender | 52 | Wife | — | Germany |
| 38 | Rose Bender | 22 | Daughter | — | Ohio |
| 39 | Harry Bender | 12 | Son | — | Ohio |
| 40 | Charles E Jamison | 52 | Head | Assembler | Ohio |
Related Census Records
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)