HS
Helen Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Helen Schmidt across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Frank & Rosa — first a daughter (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Schmidt |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | North College Hill Village |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Store |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Clerk |
| Township / Ward | North College Hill Village |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| James Schmidt | Son | — | 11 | ~1929 |
| Margaret Schmidt | Spouse | — | 46 | ~1894 |
| George Schmidt | Son | — | 16 | ~1924 |
| Helen Schmidt | Daughter | — | 21 | ~1919 |
| George Schmidt | Head | — | 47 | ~1893 |
| John Schmidt | Son | — | 18 | ~1922 |
Census Appearances
1920
Hamilton, Ohio
Other, age 1
Hamilton, Ohio · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Henrietta |
| Relationship to Head | Grand Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Daughter, age 10
Hamilton, Ohio · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Henrietta |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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
Daughter, age 21
Hamilton-County, Ohio · implied b. ~1919 — 6 household members
| Surname | Schmidt |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | North College Hill Village |
| 1935 Residence (County) | Hamilton |
| Occupation | Clerk |
| Industry | Retail Store |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 300 |
| 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 Helen Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Schmidt (~0.83 confidence) and mother Rosa Schmidt (~0.83 confidence) and father George Schmidt (~0.92 confidence) and mother Margaret Schmidt (~0.92 confidence) and father Frank Schmidt (~0.92 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
Frank Schmidt
b. ~1870
Source father>father
● Household
· direct · ~0.83
Mother
Rosa Schmidt
b. ~1876
Source father>mother
● Household
· direct · ~0.83
Father
George Schmidt
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Margaret Schmidt
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Frank Schmidt
b. ~1895
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Schmidt
Daughter · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
John Schmidt
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Schmidt
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Schmidt
Sibling · 1940 · age 16
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-t0627-03079-00774)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Krebs | 42 | Head | Machinist | Ohio |
| 2 | Bessie Krebs | 37 | Wife | — | Kentucky |
| 3 | Ralph Krebs | 14 | Son | — | Ohio |
| 4 | Elaine Krebs | 11 | Daughter | — | Ohio |
| 5 | Roger Krebs | 9 | Son | — | Ohio |
| 6 | Robert Hornberg | 29 | Head | Ceramic Engineer | Ohio |
| 7 | Lucy V. Hornberg | 31 | Wife | — | Ohio |
| 8 | Robert Harry Hornberg | 1 | Son | — | Ohio |
| 9 | Earl Brandhorst | 43 | Head | Bus Driver | Ohio |
| 10 | Helena Brandhorst | 52 | Wife | — | Ohio |
| 11 | Harry Brinkman | 61 | Head | Assembler | Ohio |
| 12 | Emma Brinkman | 60 | Wife | — | Ohio |
| 13 | John L. Brinkman | 33 | Son | Coiler | Ohio |
| 14 | Bernice Brinkman | 31 | Daughter | Bookkeeper | Ohio |
| 15 | George L. Schmidt | 47 | Head | Presser | Ohio |
| 16 | Margaret Schmidt | 46 | Wife | — | Ohio |
| 17 | Helen Schmidt THIS PERSON | 21 | Daughter | Clerk | Ohio |
| 18 | John Schmidt | 18 | Son | — | Ohio |
| 19 | George Jr. Schmidt | 16 | Son | — | Ohio |
| 20 | James Schmidt | 11 | Son | — | Ohio |
| 21 | Dell Leming | 40 | Head | Tricker | Kentucky |
| 22 | Laura V. Leming | 34 | Wife | — | Kentucky |
| 23 | Evelyn Leming | 17 | Daughter | — | West Virginia |
| 24 | Polly Leming | 15 | Daughter | — | Kentucky |
| 25 | Luel Leming | 12 | Daughter | — | Kentucky |
| 26 | Sue Leming | 12 | Daughter | — | Kentucky |
| 27 | Philip Koch | 63 | Head | Sample Taker | Hungary |
| 28 | Rose Koch | 54 | Wife | — | Hungary |
| 29 | George Wunderlich | 33 | Head | Market Stand | Ohio |
| 30 | Viola Wunderlich | 35 | Wife | — | Ohio |
| 31 | Donald Wunderlich | 10 | Son | — | Ohio |
| 32 | Stella Kunkel | 47 | Head | — | Ohio |
| 33 | Carl Kunkel | 26 | Son | Service Station Attendant | Ohio |
| 34 | Walter Carleton | 30 | Head | District Area Supervisor | Ohio |
| 35 | Estelle Carleton | 31 | Wife | — | Ohio |
| 36 | Janet Carleton | 2 | Daughter | — | Ohio |
| 37 | Howard Frank | 33 | Head | Clerk | Ohio |
| 38 | Catherine Frank | 30 | Wife | — | Ohio |
| 39 | Edward Jr. Frank | 9 | Son | — | Ohio |
| 40 | Herbert Van Orman | 53 | Head | Express Messenger | Ohio |
Pedigree Summary
Helen + 3 siblings
Gen 1 · 3 parents
~0.92
Gen 2 · 2 grandparents
~0.83
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)