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Emil Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Emil Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Bertha — first a son (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Emil |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Shoveler |
| Industry | Grain Elevator |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Shoveler |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1883 |
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 Emil | Age | Birth yr |
|---|---|---|---|---|
| Bertha Johnson | Head | — | 87 | ~1853 |
| Emil Johnson | Son | — | 57 | ~1883 |
| Victor Johnson | Son | — | 54 | ~1886 |
Census Appearances
1920
Cook, Illinois
Son, age 37
Cook, Illinois · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Emil |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Mills |
| 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
Son, age 46
Cook, Illinois · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Emil |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Chauffeur |
| Industry | Motor Service |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 57
Cook-County, Illinois · implied b. ~1883 — 3 household members
| Surname | Johnson |
| Given Name | Emil |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Shoveler |
| Industry | Grain Elevator |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Emil Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bertha Johnson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bertha Johnson
b. ~1853
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Emil Johnson
Son · 1940 · age 57 · b. ~1883 · Illinois
★ You are viewing this record
Sibling
Victor Johnson
Sibling · 1940 · age 54
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-t0627-00942-00481)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Reba Mason | 47 | Wife | Operator | Nebraska |
| 42 | Margaret Maas | 75 | Mother | — | Ireland |
| 43 | Jack Radan | 45 | Head | Barber | Yugoslavia |
| 44 | Andrew Bazar | 40 | Partner | Chipper | Yugoslavia |
| 45 | Robert Brabbs | 36 | Head | Fireman | Illinois |
| 46 | Augusta Brabbs | 30 | Wife | — | Illinois |
| 47 | Gilbert Brabbs | 12 | Son | — | Illinois |
| 48 | Louise Brabbs | 9 | Daughter | — | Illinois |
| 49 | Robert Brabbs | 7 | Son | — | Illinois |
| 50 | Stephanie Hermanek | 56 | Head | — | Czechoslovakia |
| 51 | Anthony Hermanek | 30 | Son | Rammer | Czechoslovakia |
| 52 | Joseph Hermanek | 20 | Son | Laborer | Illinois |
| 53 | Adele Hermanek | 15 | Daughter | — | Illinois |
| 54 | Philander Bennett | 36 | Head | Inspector | Michigan |
| 55 | Mary Bennett | 35 | Wife | Place Woman | Texas |
| 56 | Philander Bennett | 14 | Son | — | Illinois |
| 57 | William Bennett | 10 | Son | — | Illinois |
| 58 | Mike Purisich | 55 | Head | Laborer | Yugoslavia |
| 59 | Mary Purisich | 35 | Wife | Housekeeper | Yugoslavia |
| 60 | Helen Purisich | 19 | Daughter | Punch Press | Illinois |
| 61 | Bertha Johnson | 87 | Head | — | Sweden |
| 62 | Emil Johnson THIS PERSON | 57 | Son | Shoveler | Illinois |
| 63 | Victor Johnson | 54 | Son | Handiman | Illinois |
| 64 | John Szafranski | 54 | Head | Laborer | Poland |
| 65 | Minnie Szafranski | 47 | Wife | — | Poland |
| 66 | Steve Szafranski | 16 | Son | — | Illinois |
| 67 | Ted Szafranski | 14 | Son | — | Illinois |
| 68 | Eugene Szafranski | 9 | Son | — | Illinois |
| 69 | Richard Szafranski | 5 | Son | — | Illinois |
| 70 | Mary Alata | 58 | Head | — | Poland |
| 71 | George Alata | 35 | Son | Operator | Poland |
| 72 | William Walker | 33 | Father in Law | Chemist | England |
| 73 | Virginia Walker | 3 | Grand Daughter | — | Illinois |
| 74 | Estell Walker | 25 | Daughter | — | Illinois |
| 75 | Andrew Demyanovich | 62 | Head | Carpenter | Czechoslovakia |
| 76 | Anna Demyanovich | 58 | Wife | — | Czechoslovakia |
| 77 | Irene Demyanovich | 20 | Daughter | Bindery | Illinois |
| 78 | Louise Demyanovich | 18 | Daughter | — | Illinois |
| 79 | Andrew Demyanovich | 35 | Head | Craneman | Illinois |
| 80 | Elizabeth Demyanovich | 27 | Wife | Filler | Illinois |
Related Census Records
Pedigree Summary
Emil + 1 sibling
Gen 1 · 1 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)