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Walter Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Walter Schmidt across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents August & Louis — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Alsip Village |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Carpenter |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 2 |
| Income (1939) | 160 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Carpenter |
| Township / Ward | Alsip Village |
| Est. Birth Year | ~1909 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Nellie Schmidt | Spouse | — | 28 | ~1912 |
| Barbara Schmidt | Daughter | — | 7 | ~1933 |
| Walter Schmidt | Head | — | 31 | ~1909 |
| Audrey Schmidt | Daughter | — | 5 | ~1935 |
Census Appearances
1910
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 31
Cook-County, Illinois · implied b. ~1909 — 4 household members
| Surname | Schmidt |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Alsip Village |
| 1935 Residence (County) | Cook |
| Occupation | Carpenter |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 2 |
| Income (1939) | 160 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Walter Schmidt across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father August Schmidt (~0.92 confidence) and father Louis Schmidt (~0.92 confidence) and father Otto Schmidt (~0.92 confidence) and mother Marie Schmidt (~0.92 confidence) and mother Sophie Schmidt (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Schmidt
b. ~1854
Source father
● Household
· direct · ~0.92
Father
Louis Schmidt
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Otto Schmidt
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Marie Schmidt
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Sophie Schmidt
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Schmidt
Head · 1940 · age 31 · b. ~1909 · Illinois
★ 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00790-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Zager | 66 | Head | Laborer | Holland |
| 2 | Gertrude Zager | 66 | Wife | — | Holland |
| 3 | Richard Zager | 29 | Son | — | Illinois |
| 4 | Jacob Zager | 21 | Son | Laborer | Illinois |
| 5 | Walter Schmidt THIS PERSON | 31 | Head | Carpenter | Illinois |
| 6 | Nellie Schmidt | 28 | Wife | Waitress | Illinois |
| 7 | Barbara Schmidt | 7 | Daughter | — | Illinois |
| 8 | Audrey Schmidt | 5 | Daughter | — | Illinois |
| 9 | Henry Zager | 38 | Head | Farming | Illinois |
| 10 | Janet Zager | 34 | Wife | — | Holland |
| 11 | Hilda Zager | 13 | Daughter | — | Illinois |
| 12 | Joseph Zager | 10 | Son | — | Illinois |
| 13 | Babet Zager | 1 | Daughter | — | Illinois |
| 14 | Gust Armunds | 65 | Head | — | Germany |
| 15 | Minnie Armunds | 58 | Wife | — | Illinois |
| 16 | Raymond Armunds | 25 | Son | — | Illinois |
| 17 | Laura Armunds | 22 | Daughter | Beauty Op | Illinois |
| 18 | Nellie Koppelman | 61 | Mother-in-law | Treasurer | Holland |
| 19 | William C. Bohne | 41 | Brother-in-law | Pub. Graph | Illinois |
| 20 | Margaret Bohne | 35 | Sister-in-law | — | Illinois |
| 21 | Wayne Bohne | 11 | Son | — | Illinois |
| 22 | Joan Bohne | 8 | Daughter | — | Illinois |
| 23 | William Horman | 65 | Head | Farming | Illinois |
| 24 | Jennie Horman | 64 | Wife | — | Holland |
| 25 | Florence Horman | 21 | Daughter | — | Illinois |
| 26 | Willis Horman | 27 | Head | Laborer | Illinois |
| 27 | Christine Horman | 25 | Wife | Clerk | Illinois |
| 28 | Albert Haugland | 50 | Head | Store Keeper | Illinois |
| 29 | Elizabeth Haugland | 51 | Wife | — | Holland |
| 30 | Louis Willand | 51 | Head | Farming | Italy |
| 31 | Rosie Willand | 44 | Wife | — | Italy |
| 32 | Isabel Willand | 18 | Daughter | — | Illinois |
| 33 | Emanuel Willand | 17 | Son | — | Illinois |
| 34 | Anthony Willand | 11 | Son | — | Illinois |
| 35 | Lawrence Posthuma | 29 | Head | Farming | Illinois |
| 36 | Lewis Posthuma | 76 | Father | — | Holland |
| 37 | Elizabeth O'Brien | 33 | Sister | — | Indiana |
| 38 | Lawrence O'Brien | 9 | Nephew | — | Illinois |
| 39 | Garret Posthuma | 27 | Brother | — | Illinois |
| 40 | James Posthuma | 6 | Brother | — | Illinois |
Pedigree Summary
Walter
Gen 1 · 5 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)