HS
Herman Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Herman Schmidt across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 4-person household.
Age 48
b. ~1892
Male
Head
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Schmidt |
| Given Name | Herman |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | factory |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 900 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Machinist |
| Township / Ward | Dayton |
| Est. Birth Year | ~1892 |
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 1940 census.
| Name | Relation to head | Relative to Herman | Age | Birth yr |
|---|---|---|---|---|
| Herman Schmidt | Head | — | 48 | ~1892 |
| Evelyn Schmidt | Daughter | — | 21 | ~1919 |
| Martha Schmidt | Spouse | — | 48 | ~1892 |
| John Schmidt | Son | — | 10 | ~1930 |
Census Appearances
1920
Montgomery, Ohio
Head, age 28
Montgomery, Ohio · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Herman |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1905 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Machine Hand |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Montgomery, Ohio
Head, age 38
Montgomery, Ohio · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Herman |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 25 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Labor |
| Industry | Auto Parts |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 5400 |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Montgomery-County, Ohio
Head, age 48
Montgomery-County, Ohio · implied b. ~1892 — 4 household members
| Surname | Schmidt |
| Given Name | Herman |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | factory |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 900 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Herman Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Herman Schmidt
Head · 1940 · age 48 · b. ~1892 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03253-00268)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herman Schmidt THIS PERSON | 48 | Head | Machinist | Germany |
| 42 | Martha S. Schmidt | 48 | Wife | — | Germany |
| 43 | Evelyn Schmidt | 21 | Daughter | — | Ohio |
| 44 | John Schmidt | 10 | Son | — | Ohio |
| 45 | Margaret Shade | 60 | Head | — | Virginia |
| 46 | John H. Crowley | 30 | Lodger | — | Mississippi |
| 47 | Benjamin Wise | 35 | Head | Salesman | Russia |
| 48 | Millicent @ Wise | 34 | Wife | — | Ohio |
| 49 | Arlene Wise | 3 | Daughter | — | Ohio |
| 50 | Ruben Polder | 30 | Brother-in-law | Pharmacist | Ohio |
| 51 | Marion Brendel | 45 | Head | Salesman | Ohio |
| 52 | Frances Brendel | 40 | Wife | — | Ohio |
| 53 | Rosemary Brendel | 12 | Daughter | — | Ohio |
| 54 | Patricia Brendel | 8 | Daughter | — | Ohio |
| 55 | Milton Walkup | 75 | Head | Attendant | Ohio |
| 56 | Lillian D. Walkup | 69 | Wife | — | Ohio |
| 57 | John R. Prugh | 50 | Head | Attendant | Ohio |
| 58 | Cleo C. @ Prugh | 48 | Wife | — | Ohio |
| 59 | Patricia Prugh | 14 | Daughter | — | Ohio |
| 60 | Marion Hensley | 21 | Head | Baker | Ohio |
| 61 | Elizabeth @ Hensley | 20 | Wife | — | Ohio |
| 62 | Myron Kotske | 26 | Head | Pharmacist | Illinois |
| 63 | Lucy D. Kotske | 26 | Wife | Clerk | Kentucky |
| 64 | Edna Lyons | 33 | Lodger | Clerk | Kentucky |
| 65 | Albert Bramlage | 32 | Head | Salesman | Ohio |
| 66 | Mable @ Bramlage | 33 | Wife | — | Ohio |
| 67 | Rita Bramlage | 10 | Daughter | — | Ohio |
| 68 | Thomas Bramlage | 6 | Son | — | Ohio |
| 69 | John Bramlage | 2 | Son | — | Ohio |
| 70 | Charles Hutchins | 64 | Father-in-law | — | Ohio |
| 71 | Samuel P. Queen | 45 | Head | Chief Engineer | Ohio |
| 72 | Lillian Queen | 43 | Wife | — | Ohio |
| 73 | Robert Queen | 21 | Son | Ranger | Ohio |
| 74 | Hattie Phelps | 80 | Head | — | Ohio |
| 75 | Joseph Hunter | 25 | Head | Miller | Helper | Ohio |
| 76 | Eugenia @ Hunter | 24 | Wife | — | Ohio |
| 77 | Joseph Hunter | 4 | Son | — | Ohio |
| 78 | David Hunter | 2 | Son | — | Ohio |
| 79 | Paul Cizzo | 35 | Head | Grinder | Pennsylvania |
| 80 | Mary @ Cizzo | 32 | Wife | Clerk | 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)