WS
William Schmidt — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this William Schmidt across the 1920, 1930 and 1940 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed), with identified parents Oscar & Charlotte — first a son (b.~1913), then head of a 4-person household.
Age 17
b. ~1913
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Schmidt |
| Given Name | William O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Oscar Schmidt | Head | — | 43 | ~1887 |
| Oscar Schmidt | Son | — | 20 | ~1910 |
| William Schmidt | Son | — | 17 | ~1913 |
| Charlotte Schmidt | Spouse | — | 41 | ~1889 |
Census Appearances
1920
Hamilton, Ohio
Son, age 6
Hamilton, Ohio · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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 17
Hamilton, Ohio · implied b. ~1913 — 4 household members
| Surname | Schmidt |
| Given Name | William O |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Head, age 27
Hamilton-County, Ohio · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmeid |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hamilton |
| Occupation | farm operator |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 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 Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Schmidt (~0.92 confidence) and mother Charlotte Schmidt (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Schmidt
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Charlotte Schmidt
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schmidt
Son · 1930 · age 17 · b. ~1913 · Ohio
★ You are viewing this record
Sibling
Oscar Schmidt
Sibling · 1930 · age 20
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
1930 US Federal Census — Hamilton, Ohio
Open full size
1930 US Federal Census — Hamilton, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1817:0411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Philip J Smith | 63 | Head | Author | New York |
| 2 | Ida F Smith | 75 | Wife | — | New York |
| 3 | Harry C Powers | 44 | Head | Salesman | Ohio |
| 4 | Lucia P Powers | 42 | Wife | — | Kentucky |
| 5 | Harry C Jr Powers | 22 | Son | Electrical Engineer | Ohio |
| 6 | William E Heins | 55 | Head | Chemist | Ohio |
| 7 | Catherine L Heins | 51 | Wife | — | Ohio |
| 8 | William L Heins | 7 | Son | — | Illinois |
| 9 | Janet E Heins | 5 | Daughter | — | Ohio |
| 10 | Joan L Heins | 3 | Daughter | — | Ohio |
| 11 | Rose M Brugmiller | 58 | Maid | Maid | Ohio |
| 12 | Charles E Guenther | 52 | Head | Musician | Ohio |
| 13 | Alma M Guenther | 40 | Wife | Teacher | Indiana |
| 14 | Elizabeth S Guenther | 12 | Daughter | — | Ohio |
| 15 | Charles R Guenther | 7 | Son | — | Ohio |
| 16 | Frank E Luepke | 41 | Head | Grocer | Ohio |
| 17 | Stella Luepke | 41 | Wife | — | Ohio |
| 18 | Frank C Jr Luepke | 14 | Son | — | Ohio |
| 19 | Oscar C Schmidt | 43 | Head | Sales Manager | Ohio |
| 20 | Charlotte A Schmidt | 41 | Wife | — | Ohio |
| 21 | Oscar C Jr Schmidt | 20 | Son | Mechanical Eng. | Ohio |
| 22 | William O Schmidt THIS PERSON | 17 | Son | — | Ohio |
| 23 | Robert E Luken | 45 | Head | Purchasing Manager | Ohio |
| 24 | Flora Luken | 43 | Wife | — | Ohio |
| 25 | Ruth Luken | 16 | Daughter | — | Ohio |
| 26 | Virginia Luken | 12 | Daughter | — | Ohio |
| 27 | Philomena Uhrle | 71 | Mother-in-law | — | Ohio |
| 28 | Marcella Uhrle | 35 | Sister-in-law | Cashier | Ohio |
| 29 | Edward D Miller | 36 | Head | Man. Editor | Ohio |
| 30 | Sarah B Miller | 34 | Wife | — | Delaware |
| 31 | Isabel J Miller | 12 | Daughter | — | Ohio |
| 32 | Dorothy S Miller | 10 | Daughter | — | Ohio |
| 33 | Edward D Jr Miller | 5 | Son | — | Ohio |
| 34 | James T Eiswald | 22 | Brother-in-law | — | Ohio |
| 35 | Earl Lockwood | 35 | Head | Printing Salesman | Ohio |
| 36 | Blanche Lockwood | 27 | Wife | — | Ohio |
| 37 | Mary J Lockwood | 8 | Daughter | — | Ohio |
| 38 | Barbara J Lockwood | 2 | Daughter | — | Ohio |
| 39 | Josephine Rumpler | 45 | Head | — | Ohio |
| 40 | James J Rumpler | 16 | Son | — | Ohio |
| 41 | David R Rumpler | 14 | Son | — | Ohio |
| 42 | Thomas Rumpler | 11 | Son | — | Ohio |
| 43 | Charles E Rumpler | 5 | Son | — | Ohio |
| 44 | Joseph B Moore | 44 | Head | Sales Manager | Connecticut |
| 45 | Gertrude Moore | 31 | Wife | — | Delaware |
| 46 | Mary M Moore | 11 | Daughter | — | Ohio |
| 47 | Joseph B Jr Moore | 8 | Son | — | Ohio |
| 48 | Patricia A Moore | 7 | Daughter | — | Ohio |
| 49 | Sarah J Moore | 3 | Daughter | — | Ohio |
| 50 | Sadie Busey | 29 | Maid | Maid | Kentucky |
Pedigree Summary
William + 1 sibling
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 1930 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)