FS
Frank Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Frank Schmidt across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Agnes & Bertha — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Schmidt |
| Given Name | Frank |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Schmidt | Head | — | 30 | ~1910 |
| Anna Schmidt | Spouse | — | 28 | ~1912 |
| Bobby Schmidt | Son | — | 5 | ~1935 |
Census Appearances
1920
Cook, Illinois
Son, age 8
Cook, Illinois · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 30
Cook-County, Illinois · implied b. ~1910 — 3 household members
| Surname | Schmidt |
| Given Name | Frank |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| 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 Frank Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Agnes Gritzmacher (~0.92 confidence) and mother Bertha Schmidt (~0.92 confidence) and father Frank Schmidt (~0.92 confidence) and father Gilbert Gritzmacher (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Agnes Gritzmacher
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Bertha Schmidt
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Frank Schmidt
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Gilbert Gritzmacher
b. ~1895
Source father
● Household
· direct · ~0.92
This person
Anchor record
Frank Schmidt
Head · 1940 · age 30 · b. ~1910 · 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-t0627-00973-00822)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alexandra Ornek | 36 | wife | — | Poland |
| 42 | Albert Ornek | 12 | son | — | Illinois |
| 43 | John Stephens | 32 | head | Laborer | Illinois |
| 44 | Lillian Stephens | 30 | wife | Laborer | Illinois |
| 45 | Barbara Stephens | 4 | daughter | — | Illinois |
| 46 | Patsy Stephens | 5 | son | — | Illinois |
| 47 | Marcel Rosga | 55 | head | — | Illinois |
| 48 | Mary Rosga | 58 | wife | — | Illinois |
| 49 | Joe Myszak | 45 | head | Machinist | Poland |
| 50 | Catherine Myszak | 35 | wife | Janitor | Poland |
| 51 | Florence Myszak | 12 | daughter | — | Illinois |
| 52 | Jenny Myszak | 17 | daughter | Laborer | Illinois |
| 53 | Eugene Taleja | 26 | head | Sprayer | Illinois |
| 54 | Julia Taleja | 25 | wife | — | Illinois |
| 55 | Bobby Taleja | 4 | son | — | Illinois |
| 56 | Joe Kroll | 40 | head | Baker | Poland |
| 57 | Sophie Kroll | 35 | wife | Laborer | Illinois |
| 58 | Bobby Kroll | 9 | son | — | Illinois |
| 59 | Joe Jr. Kroll | 5 | son | — | Illinois |
| 60 | John Kotara | 60 | head | — | Poland |
| 61 | Anna Kotara | 40 | wife | — | Poland |
| 62 | Irene Kotara | 18 | daughter | Hotel Maid | Illinois |
| 63 | Casimer Kotara | 16 | son | — | Illinois |
| 64 | Frank Schmidt THIS PERSON | 30 | head | Laborer | Illinois |
| 65 | Anna Schmidt | 28 | wife | — | Illinois |
| 66 | Bobby Schmidt | 5 | son | — | Illinois |
| 67 | Peter Polosiak | 46 | head | Mounter | Poland |
| 68 | Catherine Polosiak | 41 | wife | Laborer | Illinois |
| 69 | Florence Polosiak | 17 | daughter | — | Illinois |
| 70 | Anna Krupa | 55 | head | — | Poland |
| 71 | Frank Krupa | 29 | son | Laborer | Illinois |
| 72 | Henrietta Krupa | 27 | daughter | Laborer | Illinois |
| 73 | Helen Krupa | 21 | daughter | Laborer | Illinois |
| 74 | Sophie Malec | 52 | head | — | Poland |
| 75 | Florian Malec | 19 | son | Laborer | Illinois |
| 76 | Eleanor Malec | 13 | daughter | — | Illinois |
| 77 | John Fieder | 71 | head | — | Poland |
| 78 | Mary Fieder | 64 | wife | — | Poland |
| 79 | Cecil Fieder | 21 | daughter | Sales Clerk | Illinois |
| 80 | Charles Krajewski | 22 | head | Laborer | Illinois |
Pedigree Summary
Frank
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)