JH
John Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Hoffman across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Amy — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | service (auto) |
| Industry | dept. store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Service |
| Township / Ward | Chicago |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Juanita Hoffman | Daughter | — | 10 | ~1930 |
| Dorothy Hoffman | Daughter | — | 26 | ~1914 |
| John Hoffman | Head | — | 56 | ~1884 |
| Eugene Hoffman | Son | — | 17 | ~1923 |
| John Hoffman | Son | — | 24 | ~1916 |
| Amy Hoffman | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 24
Cook-County, Illinois · implied b. ~1916 — 6 household members
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | service (auto) |
| Industry | dept. store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 960 |
| 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 John Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hoffman (~0.92 confidence) and mother Amy Hoffman (~0.92 confidence) and father Cornelius Hoffman (~0.92 confidence) and mother Jennie Hoffman (~0.92 confidence) and father John Hoffmann (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hoffman
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Amy Hoffman
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Cornelius Hoffman
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Jennie Hoffman
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
John Hoffmann
b. ~1894
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Son · 1940 · age 24 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
Juanita Hoffman
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Hoffman
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Hoffman
Sibling · 1940 · age 17
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-t0627-00953-00822)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irene Thompson | 31 | Daughter | Cashier | Illinois |
| 42 | William J. Liebeck | 44 | Head | Carpenter | Illinois |
| 43 | Sarah Liebeck | 49 | Wife | — | Illinois |
| 44 | Thomas Liebeck | 22 | Son | Office Clerk | Illinois |
| 45 | William F. Liebeck | 20 | Son | Apprentice | Illinois |
| 46 | Bernice Liebeck | 17 | Daughter | — | Illinois |
| 47 | Charles Belasich | 40 | Head | Office Clerk | Italy |
| 48 | Bernice Belasich | 36 | Wife | — | Illinois |
| 49 | Joan Belasich | 8 | Daughter | — | Illinois |
| 50 | Barbara Belasich | 5 | Daughter | — | Illinois |
| 51 | Frances Balamas | 66 | Head | — | Jugo Slavia |
| 52 | Marie Balamas | 30 | Daughter | Saleslady | Illinois |
| 53 | Frank Balamas | 28 | Son | Stock Clerk | Illinois |
| 54 | Helen Balamas | 26 | Daughter | Stenographer | Illinois |
| 55 | Charles Mikula | 55 | Head | Plumber | Jugo Slavia |
| 56 | Anna Mikula | 49 | Wife | — | Illinois |
| 57 | Charles Mikula | 22 | Son | Packer | Illinois |
| 58 | Gladys Mikula | 20 | Daughter | Beauty Shop | Illinois |
| 59 | Gustav Hagen | 51 | Head | Steam Fitter | Norway |
| 60 | Beatrice Hagen | 57 | Wife | Helper | Illinois |
| 61 | John Wagner | 49 | Head | Shipping Clerk | Illinois |
| 62 | Elsie Wagner | 47 | Wife | — | Illinois |
| 63 | Rose Wagner | None | Daughter | — | Illinois |
| 64 | Marguerite Wagner | None | Daughter | — | Illinois |
| 65 | John Wagner | 23 | Son | Cutting Floor | Illinois |
| 66 | Thomas J. Wagner | 22 | Son | Casing | Illinois |
| 67 | Alice J. Wagner | 21 | Daughter | Cutting Floor | Illinois |
| 68 | Peter J. Wagner | 19 | Son | Ice Route | Illinois |
| 69 | Lorraine Wagner | 18 | Daughter | New Worker | Illinois |
| 70 | Delores Wagner | 15 | Daughter | — | Illinois |
| 71 | George Wagner | 11 | Son | — | Illinois |
| 72 | John Hoffman | 56 | Head | Painter | Illinois |
| 73 | Amy Hoffman | 53 | Wife | — | Germany |
| 74 | Dorothy Hoffman | 26 | Daughter | Packer | Illinois |
| 75 | John Hoffman THIS PERSON | 24 | Son | Service (Auto) | Illinois |
| 76 | Eugene Hoffman | 17 | Son | — | Illinois |
| 77 | Juanita Hoffman | 10 | Daughter | — | Illinois |
| 78 | Mary Stead | 60 | Head | — | Irish Free State |
| 79 | Emmett Stead | 29 | Son | Office Clerk | Illinois |
| 80 | Francis Stead | 27 | Son | Laborer | Illinois |
Pedigree Summary
John + 3 siblings
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)