LS
Louis Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Presque-Isle-County, Michigan
Our Model Tree links this Louis Schmidt across the 1910, 1920, 1930 and 1940 US Censuses in Presque-Isle-County, Michigan (XGBoost, ~Confirmed), with identified parents Henry & Henry — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Presque-Isle-County, Michigan |
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Rogers |
| 1935 Residence (County) | Presque Isle |
| Additional Details | |
| Occupation | Locomotive Engineer |
| Industry | Stone Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Locomotive Engineer |
| Township / Ward | Rogers |
| Est. Birth Year | ~1901 |
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 Louis | Age | Birth yr |
|---|---|---|---|---|
| Louise Schmidt | Daughter | — | 10 | ~1930 |
| Everett Schmidt | Son | — | 12 | ~1928 |
| Hulda Schmidt | Spouse | — | 39 | ~1901 |
| Louis Schmidt | Head | — | 39 | ~1901 |
Census Appearances
1910
Presque Isle, …
Son, age 9
Presque Isle, Michigan · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Louis G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Germany |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Presque Isle, …
Son, age 19
Presque Isle, Michigan · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Germany |
| Mother's Birthplace | Michigan |
| Occupation | Laborer |
| Industry | on Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Presque Isle, …
Head, age 29
Presque Isle, Michigan · implied b. ~1901 — 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 | 29 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 23 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Michigan |
| Occupation | Brakeman |
| Industry | Stone quarry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 800 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Presque-Isle-County, Michigan
Head, age 39
Presque-Isle-County, Michigan · implied b. ~1901 — 4 household members
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Rogers |
| 1935 Residence (County) | Presque Isle |
| Occupation | Locomotive Engineer |
| Industry | Stone Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Schmidt (~0.92 confidence) and father Henry Schmidt (~0.92 confidence) and mother Anna Schmidt (~0.92 confidence) and mother Annie Schmidt (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Schmidt
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Henry Schmidt
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Anna Schmidt
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Annie Schmidt
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Schmidt
Head · 1940 · age 39 · b. ~1901 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Presque-Isle-County, Michigan
Open full size
1940 US Federal Census — Presque-Isle-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01810-00351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Spens | 5 | Grandson | — | Michigan |
| 42 | Gleason Friedrich Spens | 3 | Grandson | — | Michigan |
| 43 | Theodore Mayer | 45 | Laborer | Laborer | Michigan |
| 44 | Almon Johnson | 81 | Head | Farmer | Michigan |
| 45 | Clarence Traudt | 40 | Head | Farmer | Michigan |
| 46 | Hazel Traudt | 21 | Wife | — | Michigan |
| 47 | Leo Traudt | 13 | Son | — | Michigan |
| 48 | James Traudt | 12 | Son | — | Michigan |
| 49 | Lucille Traudt | 11 | Daughter | — | Michigan |
| 50 | Joseph Traudt | 9 | Son | — | Michigan |
| 51 | Marie Traudt | 6 | Daughter | — | Michigan |
| 52 | John Traudt | 4 | Son | — | Michigan |
| 53 | Ruth Traudt | 3 | Daughter | — | Michigan |
| 54 | Walter Romanski | 23 | Head | Chief Clerk | Michigan |
| 55 | Margaret Romanski | 27 | Wife | — | Michigan |
| 56 | Sharon Romanski | 1 | Daughter | — | Michigan |
| 57 | Louis Hornbacher | 25 | Head | Carpenter | Michigan |
| 58 | Marian Hornbacher | 26 | Wife | — | Ohio |
| 59 | Amanda Hornbacher | 67 | Mother | — | Michigan |
| 60 | Elsie Hornbacher | 22 | Sister | — | Michigan |
| 61 | Charles Hornbacher | 42 | Head | Carpenter | Michigan |
| 62 | Grace Hornbacher | 39 | Wife | — | Michigan |
| 63 | Jean Hornbacher | 1 | Daughter | — | Michigan |
| 64 | Clifton Dally | 14 | Stepson | — | Michigan |
| 65 | Louis Schmidt THIS PERSON | 39 | Head | Locomotive Engineer | Michigan |
| 66 | Hulda Schmidt | 39 | Wife | — | Michigan |
| 67 | Everett Schmidt | 12 | Son | — | Michigan |
| 68 | Louise Schmidt | 10 | Daughter | — | Michigan |
| 69 | Frank Bader | 40 | Head | Brick Mason | Michigan |
| 70 | Ethel Bader | 33 | Wife | — | Michigan |
| 71 | Bernard Bader | 8 | Son | — | Michigan |
| 72 | Glenn Bader | 6 | Son | — | Michigan |
| 73 | William Torre | 35 | Head | Mill Repairman | Michigan |
| 74 | Edna Torre | 28 | Wife | — | Michigan |
| 75 | Lulu Wilton | 56 | Head | — | Canada-English |
| 76 | Robert Wilton | 15 | Son | — | Michigan |
| 77 | Corene Wilton | 8 | Daughter | — | Michigan |
| 78 | Alfred Dettloff | 35 | Head | Line Foreman | Michigan |
| 79 | Modeste Dettloff | 29 | Wife | — | Michigan |
| 80 | Charles Dettloff | 2 | Son | — | Michigan |
Pedigree Summary
Louis
Gen 1 · 4 parents
~0.92
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)