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Donald Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Donald Davis across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Hiram & Milton — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Anderson Township |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Anderson Township |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Lorraine Davis | Daughter | — | 20 | ~1920 |
| Hiram Davis | Head | — | 51 | ~1889 |
| Virgil Davis | Son | — | 2 | ~1938 |
| Donald Davis | Son | — | 25 | ~1915 |
| Lillian Davis | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Hamilton, Ohio
Son, age 3
Hamilton, Ohio · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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 14
Hamilton, Ohio · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 25
Hamilton-County, Ohio · implied b. ~1915 — 5 household members
| Surname | Davis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Anderson Township |
| 1935 Residence (County) | Hamilton |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 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 Donald Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hiram Davis (~0.92 confidence) and father Milton Davis (~0.92 confidence) and father Isaac Davis (~0.92 confidence) and mother Lillian Davis (~0.92 confidence) and mother Blanche Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hiram Davis
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Milton Davis
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Isaac Davis
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lillian Davis
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Blanche Davis
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Davis
Son · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Lorraine Davis
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgil Davis
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03076-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josephine Sander | 27 | Wife | — | Ohio |
| 2 | Joseph H. Sander | 2 | Son | — | Ohio |
| 3 | Bernice Sander | 0 | Daughter | — | Ohio |
| 4 | Frank Sander | 20 | — | Contractor | Ohio |
| 5 | Bernard Bracker | 78 | Head | Nurse | Germany |
| 6 | Elizabeth Bracker | 81 | Wife | Solder | Germany |
| 7 | Amelia Doors | 75 | Head | Booker | Ohio |
| 8 | Louise Doors | 48 | Daughter | — | Ohio |
| 9 | Louis H. Brown | 53 | Head | — | Ohio |
| 10 | Alice Brown | 53 | Wife | Stenographer | Ohio |
| 11 | Robert Brown | 19 | Son | Engineer | Ohio |
| 12 | Nancy Brown | 13 | Daughter | — | Ohio |
| 13 | Hiram Davis | 51 | Head | — | Ohio |
| 14 | Lillian Davis | 50 | Wife | Caretaker | Ohio |
| 15 | Donald Davis THIS PERSON | 25 | Son | — | Ohio |
| 16 | Lorraine Davis | 20 | Daughter | Clerk | Ohio |
| 17 | Virgil Jr. Davis | 2 | Son | — | Ohio |
| 18 | Madalene Rafferty | 56 | Head | — | Ohio |
| 19 | Agatha Mccartney | 77 | Mother | Operator | Ohio |
| 20 | Richard Webber | 46 | Head | — | Ohio |
| 21 | Jennie Webber | 51 | Wife | Tank Wagon Driver | Ohio |
| 22 | Thomas Webber | 18 | Son | — | Ohio |
| 23 | Mary Webber | 14 | Daughter | — | Ohio |
| 24 | Edward Holsworth | 40 | Head | — | Kentucky |
| 25 | Geraldine Holsworth | 45 | Wife | Flight Engineer | Ohio |
| 26 | William Thomas | 80 | Boarder | — | Ohio |
| 27 | William Hall | 65 | Head | — | Ohio |
| 28 | Maude Hall | 63 | Wife | — | Ohio |
| 29 | Juanita Brett | 24 | Lodger | — | Minnesota |
| 30 | Mary A. Simon | 54 | Head | New Worker | Ohio |
| 31 | Betty J. Simon | 18 | Lodger | — | Ohio |
| 32 | Ruth Simon | 13 | Lodger | — | Ohio |
| 33 | Frank H. Wolfschmidt | 47 | Head | — | Minnesota |
| 34 | Margaret Wolfschmidt | 42 | Wife | Asst Superintendent | Ohio |
| 35 | Betty Wolfschmidt | 15 | Daughter | Manager | Ohio |
| 36 | Frank H. Jr. Wolfschmidt | 14 | Son | — | Ohio |
| 37 | Ruth Wolfschmidt | 13 | Daughter | — | Ohio |
| 38 | Thomas Haskell | 37 | Head | — | Ohio |
| 39 | Mildred Haskell | 32 | Wife | Chauffeur | Indiana |
| 40 | Mary Jane Haskell | 3 | Daughter | — | Ohio |
Pedigree Summary
Donald + 2 siblings
Gen 1 · 5 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)