JJ
Joseph Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Joseph Johnson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Edward & Jennie — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Johnson |
| Given Name | Joseph |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline city |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | service attendant |
| Industry | gasoline station |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1350 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Service Attendant |
| Township / Ward | Moline City |
| Est. Birth Year | ~1907 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Johnson | Head | — | 33 | ~1907 |
| Lester Scott | Other | — | 18 | ~1922 |
| Kenneth Johnson | Son | — | 1 | ~1939 |
| Gunhild Johnson | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Rock Island, …
Son, age 12
Rock Island, Illinois · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Joseph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Son, age 23
Rock Island, Illinois · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Repairman |
| Industry | Tire shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Head, age 33
Rock-Island-County, Illinois · implied b. ~1907 — 4 household members
| Surname | Johnson |
| Given Name | Joseph |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline city |
| 1935 Residence (County) | Rock Island |
| Occupation | service attendant |
| Industry | gasoline station |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1350 |
| Highest Grade | Hs 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 Joseph Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Johnson (~0.92 confidence) and mother Jennie Johnson (~0.92 confidence) and mother Jennie Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Johnson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Jennie Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Jennie Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Johnson
Head · 1940 · age 33 · b. ~1907 · 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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00900)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Amy Jo Hunter | 22 | daughter | Cashier | Missouri |
| 42 | Bonnie Bell Hunter | 20 | daughter | Elevator Operator | Missouri |
| 43 | Gillian Tank | 22 | head | Electrician Apprentice | Missouri |
| 44 | Phyllis Tank | 20 | wife | — | Illinois |
| 45 | William M. Atnife | 52 | head | Assembler | Illinois |
| 46 | Myrtle Atnife | 49 | wife | — | Missouri |
| 47 | William Jr. Atnife | 27 | son | Machinist | Missouri |
| 48 | Thelma Atnife | 25 | daughter | — | Missouri |
| 49 | Mabel Kroeger | 22 | daughter | New Worker | Illinois |
| 50 | Joseph Johnson THIS PERSON | 33 | head | Service Attendant | Illinois |
| 51 | Gunhild Johnson | 31 | wife | — | Illinois |
| 52 | Kenneth Johnson | 1 | son | — | Illinois |
| 53 | Lester Scott | 18 | brother-in-law | Service Attendant | Illinois |
| 54 | Christian Karn | 63 | head | Machinist | Pennsylvania |
| 55 | Esther Karn | 52 | wife | — | Sweden |
| 56 | Eda Fridell | 27 | daughter | Packer | Illinois |
| 57 | James Kafakalas | 49 | head | Punch Press Operator | Greece |
| 58 | Stella Kafakalas | 42 | wife | — | Greece |
| 59 | Pete Kafakalas | 20 | son | Punch Press Operator | Illinois |
| 60 | Mary Kafakalas | 78 | mother-in-law | — | Greece |
| 61 | Edwin B. Swanson | 47 | head | Core Maker | Illinois |
| 62 | Bessie M. Swanson | 43 | wife | — | Missouri |
| 63 | Mildred A. Swanson | 22 | daughter | — | Illinois |
| 64 | Michael J. Walsh | 55 | head | Locomotive Repairer | Ireland |
| 65 | Marie C. Walsh | 44 | wife | — | Illinois |
| 66 | F. Joe Walsh | 23 | son | Time Clerk | Illinois |
| 67 | M. Jeanne Walsh | 15 | daughter | — | Illinois |
| 68 | Edward S. Ulrich | 48 | head | Sheet Metal Worker | Illinois |
| 69 | Elizabeth Ulrich | 42 | wife | — | Iowa |
| 70 | Eugene Ulrich | 25 | son | Office Clerk | Iowa |
| 71 | Eleanor Ulrich | 21 | daughter | Calculator | Illinois |
| 72 | Herman C. Miedke | 65 | head | Government | Illinois |
| 73 | Olga Miedke | 49 | wife | — | Illinois |
| 74 | Roscoe Wilson | 24 | head | Drill Press | Illinois |
| 75 | Vera Wilson | 21 | wife | — | Illinois |
| 76 | Paul Wilson | 1 | son | — | Illinois |
| 77 | Albert Hickman | 33 | head | Machinist Helper | West Virginia |
| 78 | Florence Hickman | 25 | wife | — | Ohio |
| 79 | Patsy Hickman | 4 | daughter | — | Ohio |
| 80 | James Hickman | 3 | son | — | Ohio |
Related Census Records
Pedigree Summary
Joseph
Gen 1 · 3 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)