LS
Louis Schmidt — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Louis Schmidt across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Herman — first a son (b.~1904), then head of a 5-person household.
Age 26
b. ~1904
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Machinist |
| Industry | Factory Clutch |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Lyons Township |
| Est. Birth Year | ~1904 |
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 1930 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Henry Schmidt | Son | — | 24 | ~1906 |
| Herman Schmidt | Son | — | 32 | ~1898 |
| Herman Schmidt | Head | — | 63 | ~1867 |
| August Schmidt | Son | — | 30 | ~1900 |
| Louis Schmidt | Son | — | 26 | ~1904 |
Census Appearances
1910
Cook, Illinois
Other, age 4
Cook, Illinois · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Grand-son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ger. |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 15
Cook, Illinois · implied b. ~1905 — 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 | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 26
Cook, Illinois · implied b. ~1904 — 5 household members
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Occupation | Machinist |
| Industry | Factory Clutch |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Herman Schmidt (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herman Schmidt
b. ~1868
Source father
● Household
· direct · ~0.92
This person
Anchor record
Louis Schmidt
Son · 1930 · age 26 · b. ~1904 · Illinois
★ You are viewing this record
Sibling
Herman Schmidt
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Schmidt
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
August Schmidt
Sibling · 1930 · age 30
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel503:0046)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry R. Jacobs | 37 | Boarder | Laborer | Lithuania |
| 2 | William R. Belke | 32 | Head | Trucker | Illinois |
| 3 | Minnie M. Belke | 35 | Wife | — | Illinois |
| 4 | Herman F. Schmidt | 63 | Head | Farmer | Germany |
| 5 | Herman Jr. Schmidt | 32 | Son | Mechanic | Illinois |
| 6 | August Schmidt | 30 | Son | Mechanic | Illinois |
| 7 | Louis Schmidt THIS PERSON | 26 | Son | Machinist | Illinois |
| 8 | Henry Schmidt | 24 | Son | Machinist | Illinois |
| 9 | Charles Kopping | 33 | Head | Farmer | Illinois |
| 10 | Anna Kopping | 49 | Sister | — | Illinois |
| 11 | Augusta Kopping | 36 | Sister | — | Illinois |
| 12 | Carmen Difazio | 42 | Head | Laborer | Italy |
| 13 | Mary Difazio | 46 | Wife | — | Italy |
| 14 | Angelo Difazio | 6 | Son | — | Illinois |
| 15 | Philomena Difazio | 5 | Daughter | — | Illinois |
| 16 | Louis Difazio | 3 | Son | — | Illinois |
| 17 | Gust F. Oelze | 62 | Head | — | Germany |
| 18 | Louise Oelze | 49 | Wife | — | Illinois |
| 19 | Clarence Oelze | 22 | Son | Chauffeur | Illinois |
| 20 | Walter Oelze | 20 | Son | Attendant | Illinois |
| 21 | Peter Moleman | 52 | Head | Farmer | Holland |
| 22 | Olive Moleman | 49 | Wife | — | Iowa |
| 23 | Ralph Overaa | 36 | Hired hand | Laborer | North Dakota |
| 24 | Joseph Viktora | 60 | Head | Farmer | Czechoslovakia |
| 25 | Annie Viktora | 62 | Wife | — | Czechoslovakia |
| 26 | Arthur Viktora | 15 | Son | — | Illinois |
| 27 | Thomas Legrand | 52 | Head | Farmer | Illinois |
| 28 | Edith Legrand | 45 | Wife | — | Illinois |
| 29 | Thomas Legrand | 20 | Son | Laborer | Illinois |
| 30 | Thelma Legrand | 20 | Daughter | Laborer | Illinois |
| 31 | Raymond Legrand | 19 | Son | Laborer | Illinois |
| 32 | Theodore Legrand | 16 | Son | — | Illinois |
| 33 | Leonard Legrand | 14 | Son | — | Illinois |
| 34 | Russell Legrand | 10 | Son | — | Illinois |
| 35 | Loretta Legrand | 5 | Daughter | — | Illinois |
| 36 | Emma Miller | 12 | Boarder | — | Illinois |
| 37 | Steve Ciechanowski | 38 | Head | Laborer | Poland |
| 38 | Hedwig Ciechanowski | 43 | Wife | Laborer | Poland |
| 39 | John Brescher | 30 | Head | Laborer | Illinois |
| 40 | Estella Brescher | 19 | Sister | — | Illinois |
| 41 | John Beckett | 28 | Head | Laborer | Wisconsin |
| 42 | Stella Beckett | 23 | Wife | Laborer | Illinois |
| 43 | Demetrio Garcia | 37 | Head | Laborer | Mexico |
| 44 | Julia Garcia | 37 | Wife | — | Mexico |
| 45 | Theresa Garcia | 14 | Daughter | — | Mexico |
| 46 | Henrietta Garcia | 5 | Daughter | — | Mexico |
| 47 | Louis Zalapia | 34 | Head | Laborer | Mexico |
| 48 | Vicenta Zalapia | 28 | Wife | — | Mexico |
| 49 | Philippa Zalapia | 3 | Daughter | — | Mexico |
| 50 | Almeda Zalapia | 0 | Daughter | — | Michigan |
Related Census Records
Pedigree Summary
Louis + 3 siblings
Gen 1 · 1 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)