LS
Louis Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Louis Schmidt across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Occupation | Laborer |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 60 |
| Income (1939) | 494 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Louis Schmidt | Head | — | 42 | ~1898 |
| Irene Schmidt | Spouse | — | 31 | ~1909 |
| Russell Schmidt | Son | — | 13 | ~1927 |
| David Schmidt | Son | — | 6 | ~1934 |
| Louis Schmidt | Son | — | 8 | ~1932 |
Census Appearances
1920
St Louis, …
Other, age 21
St Louis, Missouri · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Head, age 32
St Louis, Missouri · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 31 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Chauffeur |
| Industry | Cemetery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1800 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Head, age 42
St.-Louis-City-County, Missouri · implied b. ~1898 — 5 household members
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Occupation | Laborer |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 60 |
| Income (1939) | 494 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Louis 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
Louis Schmidt
Head · 1940 · age 42 · b. ~1898 · Missouri
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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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02205-00782)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Edwin L. Hickman | 28 | Head | Chauffeur | Missouri |
| 3 | Caroline Hickman | 71 | Mother | — | Missouri |
| 4 | Marie Hickman | 16 | Sister | Servant | Missouri |
| 5 | Lee Roy Worth | 35 | Head | Machinist | Missouri |
| 6 | Marie Worth | 33 | Wife | — | Missouri |
| 7 | June Marie Worth | 5 | Daughter | — | Missouri |
| 8 | Kenneth W. Merrill | 32 | Head | Laborer | Missouri |
| 9 | Nellie Merrill | 31 | Wife | — | Missouri |
| 10 | Jean Charlotte Merrill | 4 | Daughter | — | Missouri |
| 11 | Harry Fuller | 52 | Lodger | Helper Mechanic | Kansas |
| 12 | Harvey Edward Glass | 67 | Head | Laborer | Missouri |
| 13 | Nancy Glass | 72 | Sister | — | Missouri |
| 14 | Louis Schmidt THIS PERSON | 42 | Head | Laborer | Missouri |
| 15 | Irene Schmidt | 31 | Wife | — | Missouri |
| 16 | Russell Schmidt | 13 | Son | — | Missouri |
| 17 | Louis Jr. Schmidt | 8 | Son | — | Missouri |
| 18 | David Schmidt | 6 | Son | — | Missouri |
| 19 | Thomas H. Luebbert | 39 | Head | Steel Laborer | Missouri |
| 20 | Amanda Luebbert | 35 | Wife | — | Missouri |
| 21 | Thomas Jr. Luebbert | 11 | Son | — | Missouri |
| 22 | Costora Luebbert | 9 | Daughter | — | Missouri |
| 23 | Francis Luebbert | 6 | Son | — | Missouri |
| 24 | George Luebbert | 5 | Son | — | Missouri |
| 25 | Norbert Euchholz | 23 | Lodger | Store Mason | Missouri |
| 26 | Harry C. Ault | 26 | Head | Iron Worker | Missouri |
| 27 | Goldina Ault | 26 | Wife | — | Missouri |
| 28 | James Henry Ault | 1 | Son | — | Missouri |
| 29 | Howard Carlton | 24 | Lodger | Truck Driver | Missouri |
| 30 | Albert E. Golden | 30 | Head | Steel Finisher | Missouri |
| 31 | Beulah Mae Golden | 24 | Wife | — | Missouri |
| 32 | Charles F. Robinson | 32 | Head | Steel Bender | Illinois |
| 33 | Helen Robinson | 31 | Wife | — | Illinois |
| 34 | Patricia Robinson | 11 | Daughter | — | Missouri |
| 35 | Peggy Robinson | 9 | Daughter | — | Missouri |
| 36 | Gerald Robinson | 4 | Son | — | Missouri |
| 37 | Louis A. Weidner | 55 | Head | Landscaping | Missouri |
| 38 | Florence Weidner | 31 | Daughter | Packer | Missouri |
| 39 | Estelle Weidner | 23 | Daughter | Housework | Missouri |
| 40 | Lois Weidner | 17 | Daughter | Student | Missouri |
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)