CJ
Carl Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Carl Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Carl & Alma — first a head (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Carl W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Elevator Operator |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Elevator Operator |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1903 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Claudya Johnson | Daughter | — | 11 | ~1929 |
| Carl Johnson | Head | — | 37 | ~1903 |
| Ethel Johnson | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Cook, Illinois
Son, age 16
Cook, Illinois · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Carl W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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
Head, age 26
Cook, Illinois · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Carl W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Accounting |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 37
Cook-County, Illinois · implied b. ~1903 — 3 household members
| Surname | Johnson |
| Given Name | Carl W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Occupation | Elevator Operator |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| 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 Carl Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Johnson (~0.92 confidence) and mother Alma Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Alma Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Johnson
Head · 1940 · age 37 · b. ~1903 · 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-t0627-01002-00507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Tabura | 45 | Wife | — | Bohemia |
| 42 | Frances Tabura | 19 | Daughter | — | Illinois |
| 43 | Beatrice Tabura | 18 | Daughter | — | Illinois |
| 44 | William Holmes | 45 | Head | Bar Tender | Illinois |
| 45 | Lillian Holmes | 42 | Wife | — | Illinois |
| 46 | Raymond Holmes | 16 | Son | — | Illinois |
| 47 | Augusta Keller | 56 | Sister in law | — | Germany |
| 48 | Lawrence Brzozka | 41 | Head | Motorman | Illinois |
| 49 | Florence Brzozka | 39 | Wife | — | Illinois |
| 50 | Lorraine Brzozka | 16 | Daughter | — | Illinois |
| 51 | Warren Brzozka | 12 | Son | — | Illinois |
| 52 | Marilyn Brzozka | 7 | Daughter | — | Illinois |
| 53 | Oscar Jensen | 46 | Head | Clerk | Illinois |
| 54 | Mildred Jensen | 43 | Wife | Operator | Illinois |
| 55 | Gloria Jensen | 20 | Daughter | Nurse | Illinois |
| 56 | Oscar Jensen | 14 | Son | — | Illinois |
| 57 | Elvin Erickson | 28 | Head | Salesman | Illinois |
| 58 | Lily Erickson | 26 | Wife | Stenographer | Nebraska |
| 59 | Bruce Erickson | 1 | Son | — | Illinois |
| 60 | Ray Huebner | 30 | Lodger | — | Illinois |
| 61 | Folke Swanson | 42 | Head | Mfg. Cement Prod. | Sweden |
| 62 | Myrtle Swanson | 42 | Wife | — | Illinois |
| 63 | Rose Swanson | 10 | Daughter | — | Illinois |
| 64 | Ida Doreman | 65 | Head | — | Sweden |
| 65 | Hulda Doreman | 36 | Daughter | Investigator | Illinois |
| 66 | Violet Doreman | 30 | Daughter | Clerk | Illinois |
| 67 | Carl Haase | 34 | Head | Ironworker | Illinois |
| 68 | Ida Haase | 33 | Wife | Stenographer | Massachusetts |
| 69 | Howard Nettland | 34 | Head | Attorney | Illinois |
| 70 | Ruth Nettland | 26 | Wife | Private Secretary | Illinois |
| 71 | Russell Kirshaw | 30 | Head | Mechanic | Illinois |
| 72 | Ethel Kirshaw | 28 | Wife | — | Indiana |
| 73 | Betty Kirshaw | 10 | Daughter | — | Illinois |
| 74 | Roberta Kirshaw | 7 | Daughter | — | Illinois |
| 75 | Carl W. Johnson THIS PERSON | 37 | Head | Elevator Operator | Illinois |
| 76 | Ethel Johnson | 40 | Wife | — | Illinois |
| 77 | Claudya Johnson | 11 | Daughter | — | Illinois |
| 78 | Gottfried Bergdoll | 64 | Head | Carpenter | Sweden |
| 79 | Emma Bergdoll | 67 | Wife | — | Sweden |
| 80 | Gudrun Peterson | 41 | Head | Cook | Denmark |
Pedigree Summary
Carl
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)