FH
Frank Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Frank Hoffman across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Maddie & Joseph — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hoffman |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | New Worker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Kathryn Hoffman | Daughter | — | 21 | ~1919 |
| Frank Hoffman | Son | — | 23 | ~1917 |
| Christine Hoffman | Spouse | — | 48 | ~1892 |
| Frank Hoffman | Head | — | 48 | ~1892 |
| Edward Hoffman | Son | — | 16 | ~1924 |
Census Appearances
1920
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 5 household members
| Surname | Hoffman |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 0 |
| 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 Frank Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Maddie Hoffman (~0.92 confidence) and father Joseph Hoffman (~0.92 confidence) and father Omer Hoffman (~0.92 confidence) and mother Christine Hoffman (~0.92 confidence) and mother Edna Hoffman (~0.92 confidence) and father Frank Hoffman (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Maddie Hoffman
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Joseph Hoffman
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Omer Hoffman
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Christine Hoffman
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Edna Hoffman
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
Frank Hoffman
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Frank Hoffman
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Edward Hoffman
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Hoffman
Sibling · 1940 · age 21
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
33 people indexed on this census page (nara:1940:m-t0627-00936-00005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Shaw | 42 | Head | Elevator Opr | Illinois |
| 42 | Ellen Shaw | 36 | Wife | — | Illinois |
| 43 | George Shaw | 12 | Son | — | Illinois |
| 44 | Barbara Shaw | 5 | Daughter | — | Illinois |
| 45 | Frank Hoffman | 48 | Head | Business Manager | Illinois |
| 46 | Christine Hoffman | 48 | Wife | — | Illinois |
| 47 | Frank Hoffman THIS PERSON | 23 | Son | New Worker | Illinois |
| 48 | Kathryn Hoffman | 21 | Daughter | Clerk | Illinois |
| 49 | Edward Hoffman | 16 | Son | — | Illinois |
| 50 | Proctor Mccormack | 37 | Head | Promotional Worker | Illinois |
| 51 | Melone Mccormack | 32 | Wife | — | Illinois |
| 52 | James Mccormack | 7 | Son | — | Illinois |
| 53 | Sandra Mccormack | 6 | Daughter | — | Illinois |
| 54 | Clayton Mccormack | 3 | Son | — | Illinois |
| 55 | William Congdon | 44 | Head | — | Michigan |
| 56 | Madeline Congdon | 43 | Wife | — | Michigan |
| 57 | Donald Congdon | 19 | Son | — | Michigan |
| 58 | Louella Seeley | 62 | Mother-in-law | — | Michigan |
| 59 | John Noonan | 64 | Head | Attendant | Northern Ireland |
| 60 | Catherine Noonan | 45 | Sister-in-law | — | Northern Ireland |
| 61 | Harold Peterson | 40 | Head | General Manager | Illinois |
| 62 | Enid Peterson | 39 | Wife | — | Illinois |
| 63 | Harold Jr Peterson | 15 | Son | — | Illinois |
| 64 | Donald Peterson | 9 | Son | — | Illinois |
| 65 | Louise Olson | 68 | Mother-in-law | — | Sweden |
| 66 | Arthur Johnson | 43 | Head | — | Illinois |
| 67 | Agnes Johnson | 37 | Wife | — | Illinois |
| 68 | Barbara Johnson | 7 | Daughter | — | Illinois |
| 69 | Raymond Duffy | 29 | Head | Policeman | Illinois |
| 70 | Margaret Duffy | 28 | Wife | Supervisor | Illinois |
| 71 | George Westlake | 43 | Head | Representative | Iowa |
| 72 | Carolyn Westlake | 39 | Wife | Teacher | Illinois |
| 73 | Dana Carol Westlake | 5 | Daughter | — | Illinois |
Pedigree Summary
Frank + 2 siblings
Gen 1 · 6 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)