JH
John Herman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Herman across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Gottfried — first a head (b.~1896), then head of a 3-person household.
Age 44
b. ~1896
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Herman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Gold Beater |
| Industry | Gold leaf Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Gold Beater |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1896 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Herman | Head | — | 44 | ~1896 |
| Julia Herman | Spouse | — | 37 | ~1903 |
| Roy Herman | Son | — | 19 | ~1921 |
Census Appearances
1920
Cook, Illinois
Son, age 24
Cook, Illinois · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hermanek |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Bohemia |
| Mother's Birthplace | Bohemia |
| Occupation | Vestmaker |
| Industry | Tailor Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 34
Cook, Illinois · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hermanek |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Occupation | Cutter |
| Industry | Tailor Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 44
Cook-County, Illinois · implied b. ~1896 — 3 household members
| Surname | Herman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Gold Beater |
| Industry | Gold leaf Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | 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 Herman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gottfried Hermanek (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gottfried Hermanek
b. ~1851
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Herman
Head · 1940 · age 44 · b. ~1896 · Illinois
★ You are viewing this record
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-t0627-00987-00321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Lessen | 23 | Son | — | Illinois |
| 2 | Vernon Halverson | 40 | Head | Route Salesman | Illinois |
| 3 | Virginia Halverson | 40 | Wife | — | Missouri |
| 4 | June Halverson | 18 | Daughter | Office | Illinois |
| 5 | Jean Halverson | 10 | Daughter | — | Illinois |
| 6 | Genevieve Cline | 43 | Head | — | Illinois |
| 7 | Dolores Cline | 13 | Daughter | — | Illinois |
| 8 | Jacob Van Overbeke | 45 | Head | Coach Driver | New York |
| 9 | Blanche Van Overbeke | 37 | Wife | — | Indiana |
| 10 | Gloria Van Overbeke | 13 | Daughter | — | Illinois |
| 11 | Carmen Van Overbeke | 11 | Son | — | Illinois |
| 12 | Harry Berry | 38 | Head | Repair Man | Illinois |
| 13 | Lorraine Berry | 17 | Daughter | — | Illinois |
| 14 | Harry Jr Berry | 13 | Son | — | Illinois |
| 15 | Lillian Graham | 45 | Head | — | Illinois |
| 16 | Robert Graham | 20 | Son | Office Boy | Illinois |
| 17 | Ray Graham | 17 | Son | New Worker | Illinois |
| 18 | Betty Graham | 13 | Daughter | — | Illinois |
| 19 | John Herman THIS PERSON | 44 | Head | Gold Beater | Illinois |
| 20 | Julia Herman | 37 | Wife | — | Illinois |
| 21 | Roy Herman | 19 | Son | Metal Roller | Illinois |
| 22 | Alexander Cerepa | 56 | Head | Mechanic | Poland |
| 23 | Maria Cerepa | 38 | Wife | — | Poland |
| 24 | John Cerepa | 25 | Son | Shipping Clerk | Illinois |
| 25 | Mary Cerepa | 21 | Daughter | Inspector | Illinois |
| 26 | Violet Cerepa | 19 | Daughter | Machine Operator | Illinois |
| 27 | Richard Cerepa | 17 | Son | Baker | Illinois |
| 28 | Winifred Cerepa | 13 | Daughter | — | Illinois |
| 29 | Anna Cerepa | 10 | Daughter | — | Illinois |
| 30 | Gerald Cerepa | 8 | Son | — | Illinois |
| 31 | Alexandra Cerepa | 2 | Son | — | Illinois |
| 32 | Witold Michalowski | 50 | Head | Steam Presser | Poland |
| 33 | Marie Michalowski | 48 | Wife | — | Poland |
| 34 | Gabriel Michalowski | 25 | Daughter | Machine Operator | Illinois |
| 35 | Jessie Michalowski | 23 | Son | Mill Hand | Illinois |
| 36 | Edward Michalowski | 21 | Son | Shoe Salesman | Illinois |
| 37 | Teddy Michalowski | 9 | Son | — | Illinois |
| 38 | Mitchell Nagawicki | 61 | Head | Machinist | Poland |
| 39 | Julia Nagawicki | 52 | Wife | — | Poland |
| 40 | Lorraine Nagawicki | 23 | Daughter | Beauty Operator | Illinois |
Pedigree Summary
John
Gen 1 · 1 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)