JW
John Wolf — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Wolf across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 3-person household.
Age 74
b. ~1866
Male
Head
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Wolf |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1866 |
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 |
|---|---|---|---|---|
| Mildred Wolf | Daughter | — | 43 | ~1897 |
| John Wolf | Head | — | 74 | ~1866 |
| Carrie Wolf | Spouse | — | 76 | ~1864 |
Census Appearances
1900
Hamilton, Ohio
Head, age 41
Hamilton, Ohio · implied b. ~1859 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Germany |
| Birth Month | May |
| Birth Year | 1859 |
| Year of Immigration | 1872 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Shoe Maker |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1910
Hamilton, Ohio
Head, age 48
Hamilton, Ohio · implied b. ~1862 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Germany |
| Years Married | 17 |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Merchant |
| Industry | Shoes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1920
Hamilton, Ohio
Head, age 58
Hamilton, Ohio · implied b. ~1862 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Cabinetmaker |
| Industry | Showcase factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth Country | Germany |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | germany |
1930
Hamilton, Ohio
Head, age 65
Hamilton, Ohio · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1880 |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Cabinet Maker |
| Industry | Furniture Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | $3700 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Hamilton-County, Ohio
Head, age 74
Hamilton-County, Ohio · implied b. ~1866 — 3 household members
| Surname | Wolf |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Wolf across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Wolf
Head · 1940 · age 74 · b. ~1866 · 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-t0627-03200-00064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Gromke | 40 | Wife | — | Ohio |
| 2 | Robert Gromke | 20 | Son | Usher | Ohio |
| 3 | Harold Gromke | 18 | Son | — | Ohio |
| 4 | Franklin Gromke | 15 | Son | — | Ohio |
| 5 | Louis Gromke | 11 | Son | — | Ohio |
| 6 | Donald Gromke | 4 | Son | — | Ohio |
| 7 | Edward Walker | 54 | Head | Agent | Ohio |
| 8 | Mary Walker | 50 | Wife | — | Ohio |
| 9 | Edward Jr Walker | 24 | Son | — | Ohio |
| 10 | Virginia Walker | 21 | Daughter | Typist | Ohio |
| 11 | Marion Walker | 18 | Daughter | — | Ohio |
| 12 | Betty Walker | 13 | Daughter | — | Ohio |
| 13 | Paul Walker | 11 | Son | — | Ohio |
| 14 | Peter W Bachman | 71 | Head | Proprietor | Germany |
| 15 | Nora Bachman | 67 | Wife | — | Ireland |
| 16 | Albert Bushman | 60 | Head | Assembler | Ohio |
| 17 | Lucy Bushman | 58 | Wife | Librarian | Ohio |
| 18 | Arthur Ammann | 45 | Head | Co Stamp + Dec | Ohio |
| 19 | Marie Ammann | 45 | Wife | — | Ohio |
| 20 | Arthur Jr Ammann | 22 | Son | — | Ohio |
| 21 | Helen Ammann | 19 | Daughter | — | Ohio |
| 22 | Charles Ammann | 41 | Head | Painter | Ohio |
| 23 | Catherine Ammann | 41 | Wife | — | Ohio |
| 24 | Ruth Ammann | 19 | Daughter | Ticket Seller | Ohio |
| 25 | Anna Moorman | 79 | Head | — | Ohio |
| 26 | Emma Moorman | 75 | Sister | — | Ohio |
| 27 | George Osterkamp | 57 | Head | Carpenter | Ohio |
| 28 | Luella Osterkamp | 41 | Wife | — | Ohio |
| 29 | Ethel Osterkamp | 13 | Daughter | — | Ohio |
| 30 | Howard Osterkamp | 10 | Son | — | Ohio |
| 31 | Janet Osterkamp | 8 | Daughter | — | Ohio |
| 32 | Emma Ruchhoen | 74 | Head | — | Ohio |
| 33 | Nora Ryan | 56 | Head | Assembler | Ohio |
| 34 | Extra Line (Mis-Informed) | None | — | — | — |
| 35 | Extra Line (Mis-Informed) | None | — | — | — |
| 36 | Extra Line (Mis-Informed) | None | — | — | — |
| 37 | Mayme Goebel | 63 | Head | — | Ohio |
| 38 | John Wolf THIS PERSON | 74 | Head | — | Germany |
| 39 | Carrie Wolf | 76 | Wife | — | Ohio |
| 40 | Mildred Wolf | 43 | Daughter | Operator | Ohio |
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)