BJ
Bernard Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Bernard Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Otto & Ida — first a head (b.~1897), then head of a 4-person household.
Age 43
b. ~1897
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Tool & Die maker |
| Industry | Instrument manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 328 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Tool & Die Maker |
| Township / Ward | Chicago |
| Est. Birth Year | ~1897 |
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 1940 census.
| Name | Relation to head | Relative to Bernard | Age | Birth yr |
|---|---|---|---|---|
| Richard Johnson | Son | — | 11 | ~1929 |
| Nina Johnson | Spouse | — | 45 | ~1895 |
| Bernard Johnson | Head | — | 43 | ~1897 |
| Doris Johnson | Daughter | — | 10 | ~1930 |
Census Appearances
1920
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1898 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Factory |
| 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 33
Cook, Illinois · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tool Maker |
| Industry | Radio Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 43
Cook-County, Illinois · implied b. ~1897 — 4 household members
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Tool & Die maker |
| Industry | Instrument manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 328 |
| 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 Bernard 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 Ida Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otto Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Ida Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bernard Johnson
Head · 1940 · age 43 · b. ~1897 · 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-t0627-01013-00855)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo O Keller | 52 | Head | Electric Welder | Germany |
| 2 | Karolina Keller | 50 | Wife | — | Germany |
| 3 | Felix Keller | 23 | Son | Painter-Decorator | Germany |
| 4 | Andre B Weiling | 70 | Head | Demonstrator | Germany |
| 5 | Elsa Weiling | 56 | Wife | Yacht Captain | Germany |
| 6 | Gustave Johnson | 35 | Head | — | Sweden |
| 7 | Hedda Johnson | 35 | Wife | — | Sweden |
| 8 | Sophie Plummer | 52 | Head | Stenographer | Germany |
| 9 | Rosemarie Alden | 20 | Lodger | Chambermaid | Germany |
| 10 | Clarence Langston | 34 | Head | Floor Man | Tennessee |
| 11 | Rose Langston | 33 | Wife | Glass Inspector | Illinois |
| 12 | Henry Youngman | 56 | Head | Correspondent | Russia |
| 13 | Harriet Youngman | 52 | Wife | — | Illinois |
| 14 | Robert Youngman | 8 | Son | — | Illinois |
| 15 | Elizabeth Mung | 45 | Head | Agency Cashier | Illinois |
| 16 | Christine Mung | 85 | Mother | — | Germany |
| 17 | Alexander Onahan | 41 | Head | X-Ray Technician | Persia |
| 18 | Alma Onahan | 37 | Wife | Dressmaker | Persia |
| 19 | Bernard Johnson THIS PERSON | 43 | Head | Tool & Die Maker | Illinois |
| 20 | Nina Johnson | 45 | Wife | — | Sweden |
| 21 | Richard Johnson | 11 | Son | — | Illinois |
| 22 | Doris Johnson | 10 | Daughter | — | Illinois |
| 23 | Solomon Elia | 43 | Head | Painter & Decorator | Persia |
| 24 | Nina Elia | 35 | Wife | — | Russia |
| 25 | Thomas Elia | 7 | Son | — | Illinois |
| 26 | Harry Le Maire | 40 | Head | Auto Mechanic | Arizona |
| 27 | Mary Le Maire | 47 | Wife | Housework | Illinois |
| 28 | John E Osmer | 51 | Head | Caretaker | So Dakota |
| 29 | Elizabeth Osmer | 41 | Wife | Switchboard Operator | Wisconsin |
| 30 | Francis Knuth | 26 | Head | Special Delivery Mail Clerk | Canada English |
| 31 | Anna Knuth | 23 | Wife | — | Denmark |
| 32 | Francis Knuth | 0 | Son | — | Illinois |
| 33 | Leslie Cox | 31 | Head | Cost Accountant | Illinois |
| 34 | Ruth Cox | 26 | Wife | — | So Dakota |
| 35 | Kenneth Cox | 0 | Son | — | Illinois |
| 36 | Fred Raichle | 36 | Head | Cook | Germany |
| 37 | Malta Raichle | 31 | Wife | — | Germany |
| 38 | Richard Raichle | 4 | Son | — | Illinois |
| 39 | Robert Thomson | 23 | Head | Leather Polisher | Illinois |
| 40 | Raymond Hiser | 39 | Head | Warehouse Clerk | Illinois |
Pedigree Summary
Bernard
Gen 1 · 2 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)