JH
John Hoffman — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this John Hoffman across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Michael & Mike — first a son (b.~1905), then head of a 6-person household.
Age 15
b. ~1905
Male
Son
Born: Austria
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Austria |
| Year of Immigration | 1912 |
| Naturalization Status | Alien |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Additional Details | |
| Occupation | Piano Factory |
| Industry | Piano Storage |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Occupation | Piano Factory |
| Township / Ward | Chicago |
| Est. Birth Year | ~1905 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Freda Hoffman | Daughter | — | 11 | ~1909 |
| Michael Hoffman | Head | — | 46 | ~1874 |
| Otto Hoffman | Son | — | 4 | ~1916 |
| Henry Hoffman | Son | — | 7 | ~1913 |
| John Hoffman | Son | — | 15 | ~1905 |
| Freda Hoffman | Spouse | — | 40 | ~1880 |
Census Appearances
1920
Cook, Illinois
Son, age 15
Cook, Illinois · implied b. ~1905 — 6 household members
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Austria |
| Year of Immigration | 1912 |
| Naturalization Status | Alien |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Piano Factory |
| Industry | Piano Storage |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1930
Cook, Illinois
Son, age 25
Cook, Illinois · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Austria |
| Naturalization Status | First papers filed |
| Year of Immigration | 1912 |
| Age at First Marriage | 25 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Austria |
| Occupation | Chauffeur |
| Industry | Taxi |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Veteran | No |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Cook-County, Illinois
Other, age 35
Cook-County, Illinois · implied b. ~1905 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Joe |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Austria |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Auto Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
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 Michael Hoffman (~0.92 confidence) and father Mike Hoffman (~0.92 confidence) and mother Freda Hoffman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Hoffman
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Mike Hoffman
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Freda Hoffman
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Son · 1920 · age 15 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
Henry Hoffman
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freda Hoffman
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otto Hoffman
Sibling · 1920 · age 4
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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu334unit:0013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rudolph Pickett | 22 | Son | Sheet Metal W. | Illinois |
| 52 | Albert Pickett | 17 | Son | Messenger | Illinois |
| 53 | Helen Pickett | 16 | Daughter | — | Illinois |
| 54 | Esther Pickett | 14 | Daughter | — | Illinois |
| 55 | John Pickett | 12 | Son | — | Illinois |
| 56 | Ernest Harger | 20 | Boarder | Ry. Clerk | Illinois |
| 57 | Lucas Hoffbauer | 30 | Head | Carpenter | Germany |
| 58 | Theresa Hoffbauer | 25 | Wife | — | Illinois |
| 59 | Albert Hoffbauer | 2 | Son | — | Illinois |
| 60 | Ray Hoffbauer | 0 | Son | — | Illinois |
| 61 | Martin Klein | 40 | Head | Carpenter | Austria |
| 62 | Antonia Klein | 30 | Wife | — | Austria |
| 63 | Barbara Klein | 10 | Daughter | — | Illinois |
| 64 | William Klein | 8 | Son | — | Wisconsin |
| 65 | Margaret Brown | 60 | Head | Dressmaker | Illinois |
| 66 | Billy Russell | 28 | Nephew | Typist | Iowa |
| 67 | Arthur P. Bleich | 36 | Head | Mechanic | Germany |
| 68 | Freda J. Bleich | 34 | Wife | Dressmaker | Germany |
| 69 | Gustave A. Bleich | 67 | Father | Carpenter | Germany |
| 70 | Alice De Courcy | 55 | Head | — | Illinois |
| 71 | Thomas De Courcy | 12 | Son | — | Illinois |
| 72 | Harold De Courcy | 17 | Son | Special Del. Boy | Illinois |
| 73 | Edward Weichand | 34 | Son-in-law | Mechanic | Switzerland |
| 74 | Irene Weichand | 30 | Daughter | Helper | Illinois |
| 75 | Harry Miller | 32 | Head | Chauffeur | Pennsylvania |
| 76 | Martha Miller | 34 | Wife | — | New York |
| 77 | Harry Jr. Miller | 8 | Son | — | Illinois |
| 78 | Henry Lorenzen | 38 | Head | Machinist | Germany |
| 79 | Olga Lorenzen | 33 | Wife | — | Russia |
| 80 | Michael Hoffman | 46 | Head | Machinist | Austria |
| 81 | Freda Hoffman | 40 | Wife | — | Austria |
| 82 | John Hoffman THIS PERSON | 15 | Son | Piano Factory | Austria |
| 83 | Freda Hoffman | 11 | Daughter | — | Illinois |
| 84 | Henry Hoffman | 7 | Son | — | Austria |
| 85 | Otto Hoffman | 4 | Son | — | Illinois |
| 86 | Carmine Farulo | 42 | Head | Clerk | Italy |
| 87 | Catherine Farulo | 36 | Wife | — | New Jersey |
| 88 | Joseph Farulo | 16 | Son | Errand Boy | Illinois |
| 89 | John Farulo | 14 | Son | — | Illinois |
| 90 | Mary Farulo | 12 | Daughter | — | Illinois |
| 91 | Charles Martini | 42 | Head | Ornamental W. | Germany |
| 92 | Maria Martini | 37 | Wife | — | Germany |
| 93 | Rudolph Martini | 11 | Son | — | Illinois |
| 94 | Ruth Martini | 7 | Daughter | — | Illinois |
| 95 | Theo Trautman | 37 | Boarder | Ornamental W. | Germany |
| 96 | Joseph Kugel | 27 | Head | — | Pennsylvania |
| 97 | Rose Kugel | 23 | Wife | Stock Keeper | Pennsylvania |
| 98 | Joseph Jr. Kugel | 3 | Son | — | Illinois |
| 99 | Rudolph Kugel | 2 | Son | — | Illinois |
| 100 | Edward Kugel | 0 | Son | — | Illinois |
Pedigree Summary
John + 3 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 1920 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)