HJ
Herbert Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Herbert Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Elmer & Augusta — first a son (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Order Picker |
| Industry | Railway Supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Order Picker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1910 |
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 Herbert | Age | Birth yr |
|---|---|---|---|---|
| Ethel Johnson | Daughter | — | 15 | ~1925 |
| Elmer Johnson | Head | — | 57 | ~1883 |
| Arthur Johnson | Son | — | 14 | ~1926 |
| Herbert Johnson | Son | — | 30 | ~1910 |
| William Johnson | Son | — | 22 | ~1918 |
| Agusta Johnson | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Cook, Illinois
Son, age 9
Cook, Illinois · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Upholstering |
| Industry | Furniture Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 30
Cook-County, Illinois · implied b. ~1910 — 6 household members
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Order Picker |
| Industry | Railway Supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| 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 Herbert Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Johnson (~0.92 confidence) and mother Augusta Johnson (~0.92 confidence) and mother Agusta Johnson (~0.92 confidence) and mother Augusta Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elmer Johnson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Augusta Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Agusta Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Augusta Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Johnson
Son · 1940 · age 30 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Arthur Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnson
Sibling · 1940 · age 22
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
39 people indexed on this census page (nara:1940:m-t0627-00960-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Burke | 5 | Son | — | Illinois |
| 2 | Eugene Sandus | 43 | Head | Fireman | Tennessee |
| 3 | Katherine Sandus | 40 | Wife | — | Illinois |
| 4 | Douglas Sandus | 16 | Son | — | Illinois |
| 5 | Roger Sandus | 10 | Son | — | Illinois |
| 6 | John Cruise | 36 | Head | Ice Man | Illinois |
| 7 | Hilda Cruise | 32 | Wife | — | Illinois |
| 8 | Henry Cruise | 10 | Son | — | Illinois |
| 9 | Gerhardus Cruise | 8 | Son | — | Illinois |
| 10 | Grover Cruise | 6 | Daughter | — | Illinois |
| 11 | Joan Cruise | 1 | Daughter | — | Illinois |
| 12 | Archibald Cameron | 53 | Head | Superintendent | Illinois |
| 13 | Grace Cameron | 37 | Wife | — | Colorado |
| 14 | Harold S. Geller | 41 | Head | Maintenance Man | Illinois |
| 15 | Mae Geller | 38 | Wife | — | Illinois |
| 16 | Geraldine Geller | 21 | Daughter | Beautician | Illinois |
| 17 | Robert Geller | 11 | Son | — | Illinois |
| 18 | Elmer Johnson | 57 | Head | Motorman | Sweden |
| 19 | Agusta Johnson | 56 | Wife | — | Sweden |
| 20 | Herbert Johnson THIS PERSON | 30 | Son | Order Picker | Illinois |
| 21 | William Johnson | 22 | Son | Ink Mixer | Illinois |
| 22 | Arthur Johnson | 14 | Son | — | Illinois |
| 23 | Ethel Johnson | 15 | Daughter | — | Illinois |
| 24 | Matthew Hillebold | 30 | Head | Fireman | Illinois |
| 25 | Edith Hillebold | 29 | Wife | — | Iowa |
| 26 | Robert Hillebold | 11 | Son | — | Illinois |
| 27 | Joyce Hillebold | 6 | Daughter | — | Illinois |
| 28 | Barbara Hillebold | 4 | Daughter | — | Illinois |
| 30 | Herman Damm | 39 | Head | Plasterer | New York |
| 31 | Marie Damm | 7 | Daughter | — | Illinois |
| 32 | Eleanore Damm | 6 | Daughter | — | Illinois |
| 33 | Richard Damm | 5 | Son | — | Illinois |
| 34 | Norma Damm | 4 | Daughter | — | Illinois |
| 35 | Arlene Damm | 3 | Daughter | — | Illinois |
| 36 | Lena Hartman | 53 | Housekeeper | Housekeeper | Germany |
| 37 | John Paterson | 50 | Head | Maintenance | Scotland |
| 38 | Nellie Paterson | 50 | Wife | — | Scotland |
| 39 | Nancy Paterson | 20 | Daughter | Office Work | Illinois |
| 40 | William Fry | 73 | Head | — | Indiana |
Pedigree Summary
Herbert + 3 siblings
Gen 1 · 4 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)