JW
John Willis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Willis across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Samuel & Rose — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Willis |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | chauffeur |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 420 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Chauffeur |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1904 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Estelle Willis | Daughter | — | 2 | ~1938 |
| John Willis | Head | — | 36 | ~1904 |
| Helen Willis | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Hamilton, Ohio
Son, age 15
Hamilton, Ohio · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Willis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Russia |
| Year of Immigration | 1912 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Errand boy |
| Industry | Tailor shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Year of Naturalization | 1917 |
| Birthplace (normalized) | russia |
1930
Hamilton, Ohio
Son, age 25
Hamilton, Ohio · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Willis |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Painting |
| Industry | Paints |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Russian |
| Veteran | No |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Hamilton-County, Ohio
Head, age 36
Hamilton-County, Ohio · implied b. ~1904 — 3 household members
| Surname | Willis |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Naturalization Status | Naturalized |
| Occupation | chauffeur |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 420 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 John Willis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Willis (~0.92 confidence) and mother Rose Willis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Willis
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Rose Willis
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Willis
Head · 1940 · age 36 · b. ~1904 · 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 — 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-t0627-03198-00311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nancy Combs | 11 | daughter | — | Virginia |
| 2 | Georgia Combs | 8 | daughter | — | Virginia |
| 3 | Howard Inose | 29 | head | — | Kentucky |
| 4 | Bernice Inose | 25 | wife | — | Ohio |
| 5 | Mildred Inose | 7 | daughter | — | Ohio |
| 6 | John Inose | 6 | son | — | Ohio |
| 7 | Richard Mcculley | 37 | head | Punch Operator | Kentucky |
| 8 | Vinnie Mcculley | 32 | wife | — | Kentucky |
| 9 | Pauline Mcculley | 15 | daughter | — | Kentucky |
| 10 | May Mcculley | 14 | daughter | — | Kentucky |
| 11 | Jack Mcculley | 12 | son | — | Ohio |
| 12 | Helen Mcculley | 10 | daughter | — | Ohio |
| 13 | Mary Mcculley | 7 | daughter | — | Kentucky |
| 14 | Chester Mcculley | 5 | son | — | Kentucky |
| 15 | Paul Mcculley | 3 | son | — | Ohio |
| 16 | Maurice Compton | 33 | head | Housework | Kentucky |
| 17 | Millie Compton | 19 | wife | — | Ohio |
| 18 | John Willis THIS PERSON | 36 | head | Chauffeur | Russia |
| 19 | Helen Willis | 30 | wife | Contractor | Russia |
| 20 | Estelle Willis | 2 | daughter | — | Ohio |
| 21 | Samuel Willis | 65 | head | — | Russia |
| 22 | Rose Willis | 61 | wife | — | Russia |
| 23 | Joseph Willis | 38 | son | — | Russia |
| 24 | Benjamin Willis | 32 | head | Contractor | Russia |
| 25 | Ray Willis | 26 | wife | Contractor | Russia |
| 26 | Irvin Willis | 0 | son | — | Ohio |
| 27 | William Woodward | 40 | head | Laborer | Georgia |
| 28 | Ada Woodward | 33 | wife | — | Georgia |
| 29 | Milla Woodward | 8 | daughter | — | Ohio |
| 30 | Lilla Woodward | 7 | daughter | — | Ohio |
| 31 | Catherine Woodward | 4 | daughter | — | Ohio |
| 32 | Shirley Woodward | 3 | daughter | — | Ohio |
| 33 | Wilma Woodward | 0 | daughter | — | Ohio |
| 34 | Mary Jackson | 30 | mother | — | So Carolina |
| 35 | Thalla Jackson | 16 | son | — | Kentucky |
| 36 | Ulysses Walker | 30 | head | — | Georgia |
| 37 | Rosa Walker | 26 | wife | Car Washer | So Carolina |
| 38 | James Stark | 29 | head | Laborer | Georgia |
| 39 | Anna Stark | 28 | wife | — | Alabama |
| 40 | James Stark | 10 | son | — | Ohio |
Pedigree Summary
John
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)