EJ
Earl Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Earl Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Axel & Jeff — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Earl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook County |
| Additional Details | |
| Occupation | Foreman |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Foreman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1912 |
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 Earl | Age | Birth yr |
|---|---|---|---|---|
| Axel Johnson | Head | — | 58 | ~1882 |
| Earl Johnson | Son | — | 28 | ~1912 |
| John Johnson | Son | — | 16 | ~1924 |
| Stella Johnson | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 28
Cook-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Johnson |
| Given Name | Earl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook County |
| Occupation | Foreman |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-2 |
| 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 Earl Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Axel Johnson (~0.92 confidence) and father Jeff Johnson (~0.92 confidence) and mother Stella Johnson (~0.92 confidence) and father Jeff Johnson (~0.92 confidence) and mother Evelyn Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Axel Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Jeff Johnson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Stella Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Jeff Johnson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Evelyn Johnson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Johnson
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
John Johnson
Sibling · 1940 · age 16
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-t0627-00942-00270)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence O'Keefe | 20 | wife | — | Illinois |
| 2 | John Szubiela | 28 | head | Machinist | Illinois |
| 3 | Eleanor Szubiela | 22 | wife | — | Illinois |
| 4 | Guy Alan Szubiela | 2 | son | — | Illinois |
| 5 | Anna Szubiela | 64 | mother | — | Poland |
| 6 | Matthew Stascoinich | 43 | head | Rollhand | Illinois |
| 7 | Anna Stascoinich | 37 | wife | — | Pennsylvania |
| 8 | Betty Ann Stascoinich | 13 | daughter | — | Illinois |
| 9 | Francis Stascoinich | 12 | son | — | Illinois |
| 10 | Lorraine Stascoinich | 9 | daughter | — | Illinois |
| 11 | Matthew Jr. Stascoinich | 5 | son | — | Illinois |
| 12 | John Stascoinich | 3 | son | — | Illinois |
| 13 | Rose Marie Stascoinich | 1 | daughter | — | Illinois |
| 14 | William Stascoinich | 0 | son | — | Illinois |
| 15 | Axel Johnson | 58 | head | Engineer | Illinois |
| 16 | Stella Johnson | 49 | wife | — | Illinois |
| 17 | Earl Johnson THIS PERSON | 28 | son | Foreman | Illinois |
| 18 | John Johnson | 16 | son | — | Illinois |
| 19 | Joseph Thomasson | 55 | head | Weigher | Illinois |
| 20 | Margaret Thomasson | 47 | wife | — | Illinois |
| 21 | Mary Thomasson | 23 | daughter | Office Clerk | Illinois |
| 22 | Richard Raggi | 42 | head | Proprietor | Italy |
| 23 | Nera Raggi | 42 | wife | — | Italy |
| 24 | Reno Raggi | 19 | son | Laborer | Illinois |
| 25 | Frieda Raggi | 16 | daughter | — | Illinois |
| 26 | Daniel Raggi | 12 | son | — | Illinois |
| 27 | Michael Pocernich | 28 | head | Shearman | Illinois |
| 28 | Catherine Pocernich | 26 | wife | — | Minnesota |
| 29 | Barbara Jean Pocernich | 4 | daughter | — | Illinois |
| 30 | Cosley Linne | 65 | head | — | Indiana |
| 31 | Alfred Linne | 73 | brother | — | Indiana |
| 32 | Daniel Chalich | 33 | head | Crane Operator | Indiana |
| 33 | Mildred Chalich | 31 | wife | Operator | Illinois |
| 34 | Georgia Chalich | 4 | daughter | — | Illinois |
| 35 | Daniel Jr. Chalich | 2 | son | — | Illinois |
| 36 | Thomas Chalich | 71 | father | — | Yugoslavia |
| 37 | Paul Dolan | 55 | head | Truck Driver | Yugoslavia |
| 38 | Sonia Dolan | 45 | wife | — | Yugoslavia |
| 39 | Walter Dolan | 25 | son | Truck Driver | Illinois |
| 40 | Tom Gordon | 45 | lodger | Laborer | Illinois |
Pedigree Summary
Earl + 1 sibling
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)