EJ
Edwin Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Edwin Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Elmer & Elmer — first a son (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Edwin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Auto Mechanic |
| Industry | Automobile |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Auto Mechanic |
| Township / Ward | Chicago |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edwin | Age | Birth yr |
|---|---|---|---|---|
| Adeline Johnson | Daughter | — | 19 | ~1921 |
| Elmer Johnson | Head | — | 56 | ~1884 |
| Dorothy Johnson | Other | — | 28 | ~1912 |
| Elmer Johnson | Son | — | 15 | ~1925 |
| Edwin Johnson | Son | — | 31 | ~1909 |
| Minnie Johnson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Edwin |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Edwin S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | mechanic |
| Industry | automobiles |
| 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 31
Cook-County, Illinois · implied b. ~1909 — 6 household members
| Surname | Johnson |
| Given Name | Edwin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Auto Mechanic |
| Industry | Automobile |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 0 |
| 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 Edwin Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Johnson (~0.92 confidence) and father Elmer Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence) and mother Minnie Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elmer Johnson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Elmer Johnson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Minnie Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edwin Johnson
Son · 1940 · age 31 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Adeline Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Johnson
Sibling · 1940 · age 15
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
38 people indexed on this census page (nara:1940:m-t0627-01004-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha Thompson | 46 | Wife | — | Illinois |
| 42 | Irene S. Thompson | 26 | Daughter | Typist & Bookkeeper | Illinois |
| 43 | Robert K. Thompson | 19 | Son | New Worker | Illinois |
| 44 | Jeanne B. Thompson | 13 | Daughter | — | Illinois |
| 45 | Florence M. Thompson | 12 | Daughter | — | Illinois |
| 47 | George F. Hackell | 38 | Head | Stock Clerk | Illinois |
| 48 | Iris A. Hackell | 36 | Wife | Saleslady | Idaho |
| 49 | Adele M. Hackell | 12 | Daughter | — | Illinois |
| 50 | William N. Martin | 32 | Head | Teacher | Illinois |
| 51 | Elizabeth Martin | 32 | Wife | Trained Nurse | Illinois |
| 52 | Eleanor L. Martin | 3 | Daughter | — | Illinois |
| 53 | Clarence R. Molsberry | 43 | Head | Printing Pressman | Iowa |
| 54 | Elaine M. Molsberry | 43 | Wife | — | Illinois |
| 55 | Claude W. Deen | 58 | Head | Laborer | Illinois |
| 56 | Maud Deen | 57 | Wife | Foster Mother | Illinois |
| 57 | Doris V. Deen | 18 | Daughter | — | Illinois |
| 58 | Fred Jacobson | 9 | Boarder | — | Illinois |
| 59 | Norma M. Jacobson | 6 | Boarder | — | Illinois |
| 60 | Michael Gibbons | 42 | Head | City Policeman | Ireland |
| 61 | Julia Gibbons | 41 | Wife | — | Ireland |
| 62 | James T. Gibbons | 17 | Son | — | Illinois |
| 63 | Catherine Gibbons | 16 | Daughter | — | Illinois |
| 64 | Julia Gibbons | 15 | Daughter | — | Illinois |
| 65 | Theresa Gibbons | 14 | Daughter | — | Illinois |
| 66 | Margaret Gibbons | 6 | Daughter | — | Illinois |
| 67 | Eileen Gibbons | 2 | Daughter | — | Illinois |
| 68 | Anna Gibbons | 1 | Daughter | — | Illinois |
| 69 | Ralph J. Johnson | 29 | Head | Auto Mechanic | Illinois |
| 70 | Helen J. Johnson | 29 | Wife | — | Illinois |
| 71 | Ralph J. Jr. Johnson | 6 | Son | — | Illinois |
| 72 | Darlene L. Johnson | 2 | Daughter | — | Illinois |
| 73 | Elmer Johnson | 56 | Head | Tool Out Tender | Sweden |
| 74 | Minnie Johnson | 51 | Wife | — | Illinois |
| 75 | Adeline V. Johnson | 19 | Daughter | Packer | Illinois |
| 76 | Elmer J. Johnson | 15 | Son | — | Illinois |
| 77 | Edwin Johnson THIS PERSON | 31 | Son | Auto Mechanic | Illinois |
| 78 | Dorothy Johnson | 28 | Daughter-in-law | — | Michigan |
| 80 | Henry Mathieu | 27 | Head | Installation Man | Illinois |
Pedigree Summary
Edwin + 2 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)