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Charles Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Will-County, Illinois
Our Model Tree links this Charles Hoffman across the 1920, 1930 and 1940 US Censuses in Will-County, Illinois (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Will-County, Illinois |
| Surname | Hoffman |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Joliet |
| 1935 Residence (County) | Will |
| Additional Details | |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Joliet |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Rena Hoffman | Daughter | — | 19 | ~1921 |
| Arthur Hoffman | Head | — | 59 | ~1881 |
| Charles Hoffman | Son | — | 25 | ~1915 |
| Harriet Hoffman | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Will, Illinois
Son, age 5
Will, Illinois · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Charles |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Will, Illinois
Son, age 15
Will, Illinois · implied b. ~1915 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Charles H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Will-County, Illinois
Son, age 25
Will-County, Illinois · implied b. ~1915 — 4 household members
| Surname | Hoffman |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Joliet |
| 1935 Residence (County) | Will |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Charles Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Hoffman (~0.92 confidence) and father Arthur Hoffman (~0.92 confidence) and mother Harriet Hoffman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Hoffman
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Arthur Hoffman
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Harriet Hoffman
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Hoffman
Son · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Rena Hoffman
Sibling · 1940 · age 19
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 — Will-County, Illinois
Open full size
1940 US Federal Census — Will-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00907-01029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elvina Maase | 46 | Head | — | Illinois |
| 42 | Margaret Maase | 22 | Daughter | Saleslady | Illinois |
| 43 | Leona Shaw | 24 | Daughter | — | Illinois |
| 44 | Charles Shaw | 28 | Son-in-law | Distributor | Illinois |
| 45 | Rudolph Machak | 34 | Head | Truck Driver | Illinois |
| 46 | Margaret Machak | 30 | Wife | — | Illinois |
| 47 | Esther Gradberg | 48 | Head | Carpenter | Minnesota |
| 48 | Lydia Gradberg | 47 | Wife | — | Illinois |
| 49 | Frances Rozina | 56 | Head | Janitress | Czechoslovakia |
| 50 | Edward Jones | 44 | Head | Reg Pharmacist | Illinois |
| 51 | Elmer Berman | 29 | Head | Night Manager | Illinois |
| 52 | Ann Berman | 28 | Wife | — | Illinois |
| 53 | Lena Brennan | 41 | Head | Custodian | Illinois |
| 54 | William Brennan | 23 | Son | Delivery Boy | Illinois |
| 55 | Arthur Hoffman | 59 | Head | Pastor | Pennsylvania |
| 56 | Harriet Hoffman | 56 | Wife | — | Indiana |
| 57 | Charles Hoffman THIS PERSON | 25 | Son | — | Indiana |
| 58 | Rena Hoffman | 19 | Daughter | — | Illinois |
| 59 | Alfred Storr | 70 | Head | Vice President | Illinois |
| 60 | Helen Storr | 66 | Wife | — | Wisconsin |
| 61 | Lucille Lucca | 23 | Maid | Maid | Illinois |
| 62 | Robert Grassman | 58 | Head | Owner | Lithuania |
| 63 | Celia Grassman | 52 | Wife | — | Russia |
| 64 | George Grassman | 29 | Son | Salesman | Illinois |
| 65 | Florence Detsch | 32 | Daughter | Owner | Illinois |
| 66 | Edward Detsch | 49 | Son-in-law | Salesman | New York |
| 67 | Robert A Welch | 39 | Head | Truck Driver | Illinois |
| 68 | Marguerite Welch | 35 | Wife | — | Michigan |
| 69 | Robert Welch | 12 | Son | — | Illinois |
| 70 | Patricia Welch | 10 | Daughter | — | Illinois |
| 71 | John Welch | 69 | Father | Old Age Pension | Illinois |
| 72 | Bernard Handlon | 70 | Head | — | Illinois |
| 73 | Agnes Handlon | 67 | Wife | — | Illinois |
| 74 | Edward Powers | 66 | Lodger | County Investigator | Illinois |
| 75 | Marie June | None | Head | Christian Science | — |
| 76 | Martha Atough | 50 | Lodger | Librarian | Michigan |
| 77 | Med Arnold | 50 | Lodger | — | Illinois |
| 78 | Edward Dollmer | 27 | Head | Finishing Roller | Illinois |
| 79 | Rosemary Dollmer | 25 | Wife | — | Illinois |
| 80 | Donna M Dollmer | 4 | Daughter | — | Illinois |
Pedigree Summary
Charles + 1 sibling
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)