FS
Frederick Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Frederick Schmidt across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Clara — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Schmidt |
| Given Name | Frederick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Physician |
| Industry | Private Pract. |
| Class of Worker | OA |
| Hours Worked | 46 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Physician |
| Township / Ward | Chicago |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Gina Safford | Daughter | — | 16 | ~1924 |
| Virginia Schmidt | Spouse | — | 38 | ~1902 |
| Frederick Schmidt | Head | — | 42 | ~1898 |
Census Appearances
1920
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Frederick R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Medical Student |
| Industry | College |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 32
Cook, Illinois · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Frederick R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 32 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Physician |
| Industry | General practice |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | WW |
| Veteran | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 42
Cook-County, Illinois · implied b. ~1898 — 3 household members
| Surname | Schmidt |
| Given Name | Frederick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Physician |
| Industry | Private Pract. |
| Class of Worker | OA |
| Hours Worked | 46 |
| Highest Grade | Hs 4 |
| 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 Frederick Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Clara Schmidt (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Clara Schmidt
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frederick Schmidt
Head · 1940 · age 42 · b. ~1898 · 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-t0627-01006-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mervyn Adams | 9 | daughter | — | Illinois |
| 42 | Janice Adams | 3 | daughter | — | Illinois |
| 43 | Belle Lawrence | 27 | nurse | Nurse | Iowa |
| 44 | Catherine Granahan | 50 | maid | Maid | Eire |
| 45 | Hannah Maki | 55 | laundress | Laundress | Finland |
| 46 | Anna Connolly | 49 | cook | Cook | Eire |
| 47 | Mildred R. Walker | 54 | Head | — | Illinois |
| 48 | Arlene Connors | 75 | mother | — | Arkansas |
| 49 | Edward E. Robbins | 72 | Head | Salesman | D. of C. |
| 50 | Catherine W. Robbins | 37 | wife | — | New York |
| 51 | Patricia Robbins | 4 | daughter | — | Illinois |
| 52 | Carolyn Robbins | 2 | daughter | — | Illinois |
| 53 | Margaret Kelly | 42 | waitress | Waitress | Eire |
| 54 | Marion Mylott | 27 | nurse | Nurse | Eire |
| 55 | Janet Backstrom | 29 | cook | Cook | Wisconsin |
| 56 | Wadsworth Griswold | 51 | Head | Lawyer | Kentucky |
| 57 | Carole Griswold | 45 | wife | — | Kentucky |
| 58 | Charles Griswold | 12 | son | — | Illinois |
| 59 | Jennie Hanson | 36 | maid | Maid | Wisconsin |
| 60 | James R. L. Barker | 45 | Head | Lawyer | Illinois |
| 61 | James P. Barker | 40 | wife | — | Illinois |
| 62 | Charlotte Barker | 10 | daughter | — | Illinois |
| 63 | Anna Schmedt | 32 | cook | Cook | Germany |
| 64 | John M. Bash | 27 | Head | Sales Manager | Penn. |
| 65 | Lena S. Bash | 21 | wife | — | Illinois |
| 66 | Frederick Schmidt THIS PERSON | 42 | Head | Physician | Illinois |
| 67 | Virginia B. Schmidt | 38 | wife | — | Illinois |
| 68 | Gina Safford | 16 | daughter | — | Germany |
| 69 | Jack O. Bauer | 37 | Head | Secretary | Nebraska |
| 70 | Adelia Bauer | 32 | wife | Artist | Illinois |
| 71 | George O. Redfield | 67 | Head | Gen. Manager | Wisconsin |
| 72 | Grace C. Redfield | 67 | wife | — | Illinois |
| 73 | George A. Carlson | 37 | Head | Engineer | Illinois |
| 74 | Helene Carlson | 30 | wife | — | Indiana |
| 75 | Muriel Drescher | 46 | Head | — | Eng. Canada |
| 76 | Arthur Bentley | 63 | Head | Executive | England |
| 77 | William S. Eckert | 27 | Head | Radio Announcer | New York |
| 78 | Patricia G. Eckert | 26 | wife | Secretary | Kentucky |
| 79 | J. Hugh E. Davis | 36 | Head | Salesman | New York |
| 80 | Lenier G. Davis | 28 | wife | — | Penn. |
Pedigree Summary
Frederick
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 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)