RJ
Russell Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Russell Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Albert & Albert — first a son (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Russell |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Salesman |
| Industry | Autosales |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1800 |
| Highest Grade | No H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1906 |
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 Russell | Age | Birth yr |
|---|---|---|---|---|
| Ernest Johnson | Head | — | 65 | ~1875 |
| Clifford Johnson | Son | — | 24 | ~1916 |
| Russell Johnson | Son | — | 34 | ~1906 |
| Christine Johnson | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Russell |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| 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
Son, age 24
Cook, Illinois · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Russell |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Sweden |
| Occupation | Crane man |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 34
Cook-County, Illinois · implied b. ~1906 — 4 household members
| Surname | Johnson |
| Given Name | Russell |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Salesman |
| Industry | Autosales |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1800 |
| Highest Grade | No H 4 |
| 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 Russell Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Johnson (~0.92 confidence) and father Albert Johnson (~0.92 confidence) and father Ernest Johnson (~0.92 confidence) and mother Rose Johnson (~0.92 confidence) and mother Christine Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Albert Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Ernest Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Rose Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Christine Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Russell Johnson
Son · 1940 · age 34 · b. ~1906 · Illinois
★ You are viewing this record
Sibling
Clifford Johnson
Sibling · 1940 · age 24
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-t0627-00987-00058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Dahms | 69 | Wife | — | Eire |
| 42 | Sophia Durza | 47 | Head | Punch Press Operator | Illinois |
| 43 | Edward Durza | 25 | Son | Mail Clerk | Illinois |
| 44 | Frank Durza | 22 | Son | Attendant | Illinois |
| 45 | Benedict Ruesotto | 25 | Head | Laborer | Illinois |
| 46 | Pauline Ruesotto | 22 | Wife | — | Illinois |
| 47 | Cecile Ruesotto | 3 | Daughter | — | Illinois |
| 48 | Peter Dorce | 52 | Lodger | Hand Peddler | Italy |
| 49 | Anna Dorce | 85 | Mother | Spinner | Germany |
| 50 | Joseph Dorce | 18 | Lodger | — | Illinois |
| 51 | Ernest Studtman | 33 | Head | Operator | Illinois |
| 52 | Edith Studtman | 27 | Wife | — | Illinois |
| 53 | Ernest Wilhelm | 30 | Head | Baker | Germany |
| 54 | Hattie Wilhelm | 29 | Wife | — | Illinois |
| 55 | Ernest Wilhelm | 2 | Son | — | Illinois |
| 56 | Frank Stempar | 49 | Head | Grocery | Austria |
| 57 | Catherine Stempar | 43 | Wife | — | Austria |
| 58 | John Stempar | 20 | Son | 37 Machine | Illinois |
| 59 | Frank Stempar | 19 | Son | — | Illinois |
| 60 | Jerome Stempar | 8 | Son | — | Illinois |
| 61 | Eileen Stempar | 5 | Daughter | — | Illinois |
| 62 | Frank Spanda | 44 | Head | Conductor | Illinois |
| 63 | Hattie Spanda | 37 | Wife | — | Poland |
| 64 | Raymond Spanda | 18 | Son | Helper | Illinois |
| 65 | Virginia Spanda | 15 | Daughter | — | Illinois |
| 66 | Roman Jenkowski | 65 | Head | Laborer | Poland |
| 67 | Martha Jenkowski | 63 | Wife | — | Poland |
| 68 | Void Void | None | VOID | Void | VOID |
| 69 | Edward Buku | 49 | Head | Office Clerk | Illinois |
| 70 | Frances Buku | 44 | Wife | — | Illinois |
| 71 | Pearl Buku | 19 | Daughter | — | Illinois |
| 72 | Frieda Lehmann | 47 | Head | Leather Worker | Illinois |
| 73 | Allen Ketcher | 44 | Lodger | Barber | South Dakota |
| 74 | John Mietson | 64 | Head | — | Sweden |
| 75 | Jennie Mietson | 56 | Wife | — | Sweden |
| 76 | Agnes Mietson | 33 | Daughter | Stenographer | Illinois |
| 77 | Ernest Johnson | 65 | Head | Boiler Maker | Sweden |
| 78 | Christine Johnson | 61 | Wife | — | Sweden |
| 79 | Russell Johnson THIS PERSON | 34 | Son | Salesman | Illinois |
| 80 | Clifford Johnson | 24 | Son | Assembler | Illinois |
Related Census Records
Pedigree Summary
Russell + 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)