FS
Frederick Schmidt — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Frederick Schmidt across the 1920, 1930 and 1940 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Schmidt |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Coal Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Bookkeeper |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Frederick Schmidt | Son | — | 21 | ~1909 |
| Fred Schmidt | Head | — | 55 | ~1875 |
| Catherine Schmidt | Other | — | 41 | ~1889 |
| Lewis Schmidt | Son | — | 26 | ~1904 |
| Arthur Schmidt | Son | — | 24 | ~1906 |
| Edward Schmidt | Son | — | 19 | ~1911 |
Census Appearances
1920
Hamilton, Ohio
Son, age 11
Hamilton, Ohio · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Fredric |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 21
Hamilton, Ohio · implied b. ~1909 — 6 household members
| Surname | Schmidt |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Occupation | Bookkeeper |
| Industry | Coal Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Son, age 29
Hamilton-County, Ohio · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Stenographer |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1400 |
| Highest Grade | Hs 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 Frederick Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Schmidt (~0.92 confidence) and father Fred Schmidt (~0.92 confidence) and father Wm Schmidt (~0.92 confidence) and mother Catherine Schmidt (~0.92 confidence) and mother Frieda Schmidt (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Schmidt
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Fred Schmidt
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Wm Schmidt
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Catherine Schmidt
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Frieda Schmidt
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frederick Schmidt
Son · 1930 · age 21 · b. ~1909 · Ohio
★ You are viewing this record
Sibling
Edward Schmidt
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Schmidt
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Schmidt
Sibling · 1930 · age 26
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:ohiocensus00reel1811:0204)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Schmidt | 55 | Head | — | Germany |
| 2 | Catherine Schmidt | 41 | Wife-H | — | Ohio |
| 3 | Lewis Schmidt | 26 | Son | Writer | Ohio |
| 4 | Arthur Schmidt | 24 | Son | Instructor | Ohio |
| 5 | Frederick Schmidt THIS PERSON | 21 | Son | Bookkeeper | Ohio |
| 6 | Edward Schmidt | 19 | Son | Clerk | Ohio |
| 7 | George Schwab | 56 | Head | Machinist | Ohio |
| 8 | Willa H Schwab | 46 | Wife-H | — | Kentucky |
| 9 | Beatrice Schwab | 13 | Daughter | — | Ohio |
| 10 | Arthur Schwab | 11 | Son | — | Ohio |
| 11 | John L Splain | 49 | Head | Asst Accountant | Ohio |
| 12 | Ruth D Splain | 42 | Wife-H | — | Ohio |
| 13 | Laurence Splain | 8 | Son | — | Ohio |
| 14 | William R Splain | 4 | Son | — | Ohio |
| 15 | William Bennett | 32 | Head | Service Man | Ohio |
| 16 | Ethel Bennett | 28 | Wife-H | — | Ohio |
| 17 | William Bennett | 8 | Son | — | Ohio |
| 18 | Mary E Bennett | 6 | Daughter | — | Ohio |
| 19 | Robert Bennett | 2 | Son | — | Ohio |
| 20 | Russell Williams | 37 | Head | Superintendent | Nebraska |
| 21 | Alma Williams | 31 | Wife-H | — | Illinois |
| 22 | Helen Williams | 11 | Daughter | — | Indiana |
| 23 | Robert Williams | 7 | Son | — | Michigan |
| 24 | William Davies | 27 | Head | Manager | Pennsylvania |
| 25 | Leola Davies | 34 | Wife-H | — | New York |
| 26 | Thomas Davies | 22 | Brother | Enameler | United States |
| 27 | Frank W Rolf | 34 | Head | Optician | Indiana |
| 28 | Hilda M Rolf | 30 | Wife-H | — | Ohio |
| 29 | Nancy L Rolf | 3 | Daughter | — | Ohio |
| 30 | Ralph Holly | 34 | Head | Store Manager | Ohio |
| 31 | Geraldine Holly | 35 | Wife-H | — | Ohio |
| 32 | Kenneth Holly | 10 | Son | — | Ohio |
| 33 | James Holly | 8 | Son | — | Ohio |
| 34 | Marilyn Holly | 2 | Daughter | — | Ohio |
| 35 | Stella Maegel | 55 | Mother-in-law | — | Kansas |
| 36 | Robert Maegel | 26 | Brother-in-law | Salesman | Ohio |
| 37 | Fred O Doerger | 45 | Head | Gen Manager | Ohio |
| 38 | Margaret Doerger | 43 | Wife-H | — | Ohio |
| 39 | Margaret Doerger | 18 | Daughter | — | Ohio |
| 40 | Thomas Doerger | 7 | Son | — | Ohio |
| 41 | Michael Cooney | 84 | Father-in-law | — | Ireland |
| 42 | William S Morgan | 51 | Head | Buyer | Kentucky |
| 43 | Florence A Morgan | 43 | Wife-H | — | Canada-Eng |
| 44 | John W Morgan | 7 | Son | — | Michigan |
| 45 | Katharine Schenk | 17 | Servant | Servant | Austria |
| 46 | Robert G Reed | 68 | Head | Physician | Ohio |
| 47 | Mattie J Reed | 68 | Wife-H | — | Ohio |
| 48 | Eloise J Reed | 40 | Daughter | Stenographer | Ohio |
| 49 | Emma J Hassinger | 57 | Head | — | Ohio |
| 50 | Emma J Hassinger | 34 | Daughter | Bookkeeper | Ohio |
Related Census Records
Pedigree Summary
Frederick + 3 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 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)