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 Louis & Louis — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | BROOKFIELD VILLAGE |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Tool & Die Maker |
| Industry | Springs Manufacturer |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1500 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Tool & Die Maker |
| Township / Ward | Brookfield Village |
| Est. Birth Year | ~1917 |
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 Bernard | Age | Birth yr |
|---|---|---|---|---|
| Ida Johnson | Head | — | 68 | ~1872 |
| Bernard Johnson | Son | — | 23 | ~1917 |
| Harold Johnson | Son | — | 28 | ~1912 |
| Alice Johnson | Daughter | — | 41 | ~1899 |
| Eleanor Johnson | Daughter | — | 36 | ~1904 |
Census Appearances
1920
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Michigan |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 5 household members
| Surname | Johnson |
| Given Name | Bernard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | BROOKFIELD VILLAGE |
| 1935 Residence (County) | COOK |
| Occupation | Tool & Die Maker |
| Industry | Springs Manufacturer |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1500 |
| 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 Bernard Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Louis Johnson (~0.92 confidence) and father Louis Johnson (~0.92 confidence) and mother Harriet Johnson (~0.92 confidence) and mother Hattie Johnson (~0.92 confidence) and mother Ida Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louis Johnson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Louis Johnson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Harriet Johnson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Hattie Johnson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Ida Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bernard Johnson
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Eleanor Johnson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Johnson
Sibling · 1940 · age 28
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-t0627-00781-00316)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Axel Johnson | 66 | Head | Machinist | Sweden |
| 2 | Alma Johnson | 64 | Wife | — | Sweden |
| 3 | Fred W. Mitchel | 54 | Head | Linotype Operator | Illinois |
| 4 | Elizabeth Mitchel | 47 | Wife | — | Illinois |
| 5 | Daniel Mitchel | 18 | Daughter | — | Illinois |
| 6 | Dorothy Mitchel | 14 | Daughter | — | Illinois |
| 7 | Martin Andrews | 51 | Head | Salesman | Maine |
| 8 | Nan Andrews | 43 | Wife | Telephone Operator | Kansas |
| 9 | Otto L. King | 37 | Head | Civil Engineer | Illinois |
| 10 | Vesta King | 28 | Wife | — | Illinois |
| 11 | Lyle Stewart | 35 | Head | Accountant | Illinois |
| 12 | Emmilee Stewart | 34 | Wife | — | Illinois |
| 13 | Gloria Stewart | 12 | Daughter | — | Illinois |
| 14 | Joan Stewart | 7 | Daughter | — | Illinois |
| 15 | Joseph Millican | 40 | Head | Maintenance Man | Hungary |
| 16 | Ottillia Millican | 39 | Wife | — | Hungary |
| 17 | Janet Millican | 16 | Daughter | — | Illinois |
| 18 | Marion Millican | 14 | Daughter | — | Michigan |
| 19 | Fred Fayekas | 39 | Head | Telephone Engineer | Hungary |
| 20 | Lorene Fayekas | 35 | Wife | — | Colorado |
| 21 | Carl Fayekas | 13 | Son | — | Illinois |
| 22 | Gloria Fayekas | 9 | Daughter | — | Illinois |
| 23 | Alvin Jeffreys | 45 | Head | Foreman | Iowa |
| 24 | Laura Jeffreys | 37 | Wife | — | Iowa |
| 25 | Irene M. Jeffreys | 14 | Daughter | — | Illinois |
| 26 | Sally F. Jeffreys | 2 | Daughter | — | Illinois |
| 27 | Ida Johnson | 68 | Head | — | Sweden |
| 28 | Alice Johnson | 41 | Daughter | — | Illinois |
| 29 | Eleanor Johnson | 36 | Daughter | Office Clerk | Illinois |
| 30 | Harold Johnson | 28 | Son | Tool & Die Maker | Illinois |
| 31 | Bernard Johnson THIS PERSON | 23 | Son | Tool & Die Maker | Illinois |
| 32 | Frank Gerncis | 75 | Head | Mail Carrier | Germany |
| 33 | Mary Gerncis | 70 | Wife | — | Germany |
| 34 | Louis Miller | 39 | Head | Owner | Iowa |
| 35 | Chester Miller | 19 | Son | — | Iowa |
| 36 | Norma Miller | 17 | Daughter | — | Iowa |
| 37 | Carolyn Miller | 15 | Daughter | — | Iowa |
| 38 | Freddie Miller | 9 | Son | — | Illinois |
| 39 | Charles Miller | 7 | Son | — | Illinois |
| 40 | Gloria Miller | 1 | Daughter | — | Illinois |
Pedigree Summary
Bernard + 3 siblings
Gen 1 · 5 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)