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Frank Wagner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Frank Wagner across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Clara — first a son (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Wagner |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Steamfitter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 348 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Steamfitter |
| Township / Ward | Chicago |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Loretta Wagner | Daughter | — | 33 | ~1907 |
| Clara Wagner | Head | — | 60 | ~1880 |
| Eugene Brotvell | Other | — | 10 | ~1930 |
| Gertrude Wagner | Daughter | — | 29 | ~1911 |
| Frank Wagner | Son | — | 39 | ~1901 |
Census Appearances
1920
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | Frank Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Occupation | Pattern Fitter |
| Industry | Contractor |
| 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 29
Cook, Illinois · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Occupation | Steamfitter |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 39
Cook-County, Illinois · implied b. ~1901 — 5 household members
| Surname | Wagner |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Occupation | Steamfitter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 348 |
| 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 Wagner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Wagner (~0.92 confidence) and mother Clara Wagner (~0.92 confidence) and mother Clara Wagner (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Wagner
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Clara Wagner
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Clara Wagner
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Wagner
Son · 1940 · age 39 · b. ~1901 · Illinois
★ You are viewing this record
Sibling
Gertrude Wagner
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Wagner
Sibling · 1940 · age 33
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
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-t0627-01015-00172)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Anderson | 60 | Head | Tailor | Sweden |
| 42 | Alice Anderson | 31 | Daughter | Private Secretary | Illinois |
| 43 | Einar Hermanson | 41 | Head | Carpenter | Sweden |
| 44 | Ruth Hermanson | 43 | Wife | — | Michigan |
| 45 | Elizabeth Hermanson | 13 | Daughter | — | Illinois |
| 46 | Jeannine Shanholtz | 10 | Foster Child | — | Illinois |
| 47 | Mary Meller | 10 | Foster Child | — | Illinois |
| 48 | Leonard Jacober | 3 | Foster Child | — | Illinois |
| 49 | Jo Ann Lewis | 3 | Foster Child | — | Illinois |
| 50 | Clara Wagner | 60 | Head | — | Illinois |
| 51 | Frank Wagner THIS PERSON | 39 | Son | Steamfitter | Illinois |
| 52 | Loretta Wagner | 33 | Daughter | Stenographer | Illinois |
| 53 | Gertrude Wagner | 29 | Daughter | Mail Encloser | Illinois |
| 54 | Eugene Brotvell | 10 | Grandson | — | Illinois |
| 55 | Gilbert Carlson | 34 | Head | Pressman Helper | Illinois |
| 56 | Blanche Carlson | 32 | Wife | — | Pennsylvania |
| 57 | Lucy Kozel | 61 | Mother-in-law | — | Poland |
| 58 | Gladys Kozel | 30 | Sister-in-law | Spotter | Pennsylvania |
| 59 | Ella Flood | 66 | Head | — | New York State |
| 60 | James Flood | 40 | Son | Draftsman | Illinois |
| 61 | Margaret Flood | 37 | Daughter | — | Illinois |
| 62 | Theresa O'Brien | 78 | Head | — | Illinois |
| 63 | Leon H. O'Brien | 60 | Nephew | Freight Clerk | Illinois |
| 64 | Armando Conto | 37 | Head | Electrical Engineer | Italy |
| 65 | Josephine Conto | 38 | Wife | Teacher | So. Dakota |
| 66 | Mary Jo Conto | 7 | Daughter | — | Illinois |
| 67 | Thomas Conto | 3 | Son | — | Illinois |
| 68 | Susie Grommes | 59 | Maid | Maid | Germany |
| 69 | Nels Johnson | 67 | Head | Plumber | Denmark |
| 70 | Jeanette Johnson | 64 | Wife | — | England |
| 71 | Caleb Johnson | 33 | Son | Plumber | Illinois |
| 72 | Frederick Olson | 65 | Head | Salesman | Illinois |
| 73 | Olga Olson | 61 | Wife | — | Sweden |
| 74 | Charles Olson | 29 | Son | Maintenance | Illinois |
| 75 | Ellison Johnson | 44 | Head | Salesman Designer | Illinois |
| 76 | Gertrude Johnson | 42 | Wife | — | Illinois |
| 77 | Margaret Johnson | 22 | Daughter | Audit Checker | Illinois |
| 78 | Ellison Jr. Johnson | 6 | Son | — | Illinois |
| 79 | Esther Johnson | 50 | Head | Housework | Sweden |
| 80 | Allen Johnson | 15 | Son | Delivery Boy | Illinois |
Pedigree Summary
Frank + 2 siblings
Gen 1 · 3 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)