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 Otto & Anna — first a son (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Son
Born: Illinois
Married
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 | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Own Coal & Ice Co |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 775 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Chauffeur |
| Township / Ward | Chicago City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Herbert | Age | Birth yr |
|---|---|---|---|---|
| Clara Johnson | Daughter | — | 52 | ~1888 |
| Hulda Johnson | Head | — | 57 | ~1883 |
| May Johnson | Other | — | 21 | ~1919 |
| Carl Johnson | Son | — | 25 | ~1915 |
| Herbert Johnson | Son | — | 35 | ~1905 |
Census Appearances
1920
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1906 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 25
Cook, Illinois · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 35
Cook-County, Illinois · implied b. ~1905 — 5 household members
| Surname | JOHNSON |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Chauffeur |
| Industry | Own Coal & Ice Co |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 775 |
| Highest Grade | No 7 |
| 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 Otto Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Hulda Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otto Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Hulda Johnson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Johnson
Son · 1940 · age 35 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
Clara Johnson
Sibling · 1940 · age 52
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1940 · age 25
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
40 people indexed on this census page (nara:1940:m-t0627-00990-00139)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Delgenio | 47 | Boarder | Teamster | Illinois |
| 42 | George Hermann | 38 | Head | Mechanic | Illinois |
| 43 | Florence Hermann | 37 | Wife | — | Illinois |
| 44 | Florine Hermann | 5 | Daughter | — | Illinois |
| 45 | Edward Cardine | 37 | Head | Mechanic | Illinois |
| 46 | Gladys Cardine | 32 | Wife | — | Wisconsin |
| 47 | Edward Jr. Cardine | 4 | Son | — | Illinois |
| 48 | Woodrow Steenstrup | 21 | Head | Chauffeur | Illinois |
| 49 | Marion Steenstrup | 23 | Wife | — | Indiana |
| 50 | Kathleen Steenstrup | 1 | Daughter | — | Illinois |
| 51 | Helen Carlson | 52 | Head | — | Illinois |
| 52 | Charles Hansen | 56 | Head | Labor | Illinois |
| 53 | Jane Hansen | 37 | Wife | — | Illinois |
| 54 | Donald Hansen | 4 | Son | — | Illinois |
| 55 | Jean Hansen | 2 | Daughter | — | Illinois |
| 56 | Alfred Hansen | 0 | Son | — | Illinois |
| 57 | Ole Sullivan | 60 | Head | Decorator | Norway |
| 58 | Bertha Sullivan | 58 | Wife | — | Illinois |
| 59 | Hettie Dudley | 77 | Head | — | Minnesota |
| 60 | Joseph Bednarz | 38 | Head | Frame Cover | Poland |
| 61 | Victoria Bednarz | 35 | Wife | Saleswoman | Illinois |
| 62 | Lorraine Bednarz | 13 | Daughter | — | Illinois |
| 63 | Joseph Jr. Bednarz | 2 | Son | — | Illinois |
| 64 | Louis Larsen | 53 | Head | Sexton | Illinois |
| 65 | Hazel Larsen | 47 | Wife | — | Illinois |
| 66 | Herbert Larsen | 25 | Son | Clerk | Illinois |
| 67 | Howard Larsen | 24 | Son | New Worker | Illinois |
| 68 | Lorraine Larsen | 22 | Daughter | Typist | Illinois |
| 69 | Edward Schenk | 67 | Head | — | Illinois |
| 70 | Minnie Mellinghausen | 56 | Head | — | Germany |
| 71 | Pearl Mellinghausen | 23 | Daughter | Switch Board Operator | Illinois |
| 72 | Hulda Johnson | 57 | Head | — | Sweden |
| 73 | Clara Johnson | 52 | Daughter | Cashier | Illinois |
| 74 | Carl Johnson | 25 | Son | Chauffeur | Illinois |
| 75 | Herbert Johnson THIS PERSON | 35 | Son | Chauffeur | Illinois |
| 76 | May Johnson | 21 | Daughter in Law | Steam Girl | Illinois |
| 77 | Manford L. Woodall | 58 | Head | Stock Clerk | Illinois |
| 78 | Gertrude Woodall | 50 | Wife | — | Illinois |
| 79 | Anton Boren | 55 | Head | Tailor | Norway |
| 80 | Alvina Boren | 54 | Wife | Washing | Norway |
Pedigree Summary
Herbert + 2 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 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)