JH
John Hoffman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Hoffman across the 1910, 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents William & Fanny — first a son (b.~1908), then head of a 4-person household.
Age 22
b. ~1908
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Hoffman |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Order Clerk |
| Industry | Mail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Order Clerk |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Nellie Hoffman | Head | — | 48 | ~1882 |
| Daniel Thomey | Other | — | 28 | ~1902 |
| John Hoffman | Son | — | 22 | ~1908 |
| Joseph Hoffman | Son | — | 24 | ~1906 |
Census Appearances
1910
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1908 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1908 — 4 household members
| Surname | Hoffman |
| Given Name | John A. |
| 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 | Order Clerk |
| Industry | Mail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 34
Cook-County, Illinois · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | investigator |
| Industry | loan company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | H 1 |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Hoffman (~0.92 confidence) and mother Fanny Hoffman (~0.92 confidence) and father Frank Hoffman (~0.92 confidence) and mother Anna Hoffman (~0.92 confidence) and mother Nellie Hoffman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hoffman
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Fanny Hoffman
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
Frank Hoffman
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Anna Hoffman
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Nellie Hoffman
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Son · 1930 · age 22 · b. ~1908 · Illinois
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Sibling
Joseph Hoffman
Sibling · 1930 · age 24
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel444:0974)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret Boyce | 45 | Head | — | Illinois |
| 52 | Margaret Boyce | 24 | Daughter | Stenographer | Illinois |
| 53 | Thomas Boyce | 23 | Son | Order Clerk | Illinois |
| 54 | John Boyce | 21 | Son | Order Clerk | Illinois |
| 55 | Nellie Hoffman | 48 | Head | — | Illinois |
| 56 | Joseph J. Hoffman | 24 | Son | Salesman | Illinois |
| 57 | John A. Hoffman THIS PERSON | 22 | Son | Order Clerk | Illinois |
| 58 | Daniel Thomey | 28 | Lodger | Mail Clerk | Illinois |
| 59 | Michael Duryel | 38 | Head | Salesman | Illinois |
| 60 | Florence Duryel | 34 | Wife | — | Texas |
| 61 | Jack Duryel | 13 | Son | — | Illinois |
| 62 | Robert Duryel | 12 | Son | — | Illinois |
| 63 | William Duryel | 10 | Son | — | Illinois |
| 64 | Rita Duryel | 9 | Daughter | — | Illinois |
| 65 | Mary J. Duryel | 7 | Daughter | — | Illinois |
| 66 | Joan Duryel | 1 | Daughter | — | Illinois |
| 67 | Catherine Joyce | 55 | Head | — | Irish Free State |
| 68 | John V. Joyce | 29 | Son | Electrician | Illinois |
| 69 | Beatrice Joyce | 27 | Daughter | Stenographer | Illinois |
| 70 | Catherine Joyce | 25 | Daughter | File Clerk | Illinois |
| 71 | Richard Joyce | 21 | Son | Notice Clerk | Illinois |
| 72 | Andrew Callahan | 26 | Head | Order Clerk | Illinois |
| 73 | Mary Callahan | 24 | Wife | — | Illinois |
| 74 | Virginia Callahan | 2 | Daughter | — | Illinois |
| 75 | Donald Callahan | 0 | Son | — | Illinois |
| 76 | John Tuarnstrom | 63 | Head | Carpenter | Sweden |
| 77 | Augusta Tuarnstrom | 61 | Wife | — | Sweden |
| 78 | Nora Coleman | 60 | Head | — | Irish Free State |
| 79 | Mary Coleman | 42 | Daughter | Bookkeeper | Illinois |
| 80 | Thomas Coleman | 32 | Son | Chauffeur | Illinois |
| 81 | Grace Cesre | 68 | Head | — | Irish Free State |
| 82 | Rose E. Zarecki | 19 | Lodger | Waitress | Illinois |
| 83 | Sophia Semeski | 50 | Lodger | Kitchen Work | Lithuania |
| 84 | Clifford Gibson | 46 | Head | Salesman | Iowa |
| 85 | Irene Gibson | 37 | Wife | — | Arkansas |
| 86 | Helaine Gibson | 20 | Son | — | Iowa |
| 87 | Eunice Gibson | 17 | Daughter | — | Iowa |
| 88 | Charles Butler | 31 | Head | Electrician | Illinois |
| 89 | Ester Butler | 32 | Wife | — | Illinois |
| 90 | Charles H. Butler | 8 | Son | — | Illinois |
| 91 | Nestor Bourgeois | 39 | Head | Decorator | Illinois |
| 92 | Rose Bourgeois | 38 | Wife | — | Illinois |
| 93 | Ramona Bourgeois | 16 | Daughter | — | Illinois |
| 94 | M. Lester | 31 | Head | Cattle Buyer | Illinois |
| 95 | Helen Lester | 28 | Wife | — | Illinois |
| 96 | Sharon Lester | 7 | Daughter | — | Illinois |
| 97 | Vernon A. Bovik | 21 | Head | Salesman | Illinois |
| 98 | Mary G. Bovik | 33 | Wife | — | Michigan |
| 99 | Mary E. Bovik | 16 | Daughter | — | Michigan |
| 100 | Anna L. Bovik | 14 | Daughter | — | Michigan |
Pedigree Summary
John + 1 sibling
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 1930 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)