PJ
Paul Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Paul Johnson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Bessie — first a son (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Johnson |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | File clerk |
| Industry | Rock Island Arsenal |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | File Clerk |
| Township / Ward | Moline |
| Est. Birth Year | ~1915 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Paul | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 13 | ~1927 |
| Bessie Johnson | Head | — | 54 | ~1886 |
| Larry Johnson | Other | — | 1 | ~1939 |
| Catherine Johnson | Other | — | 21 | ~1919 |
| Evelyn Johnson | Other | — | 29 | ~1911 |
| Harold Johnson | Son | — | 32 | ~1908 |
| Paul Johnson | Son | — | 25 | ~1915 |
Census Appearances
1920
Rock Island, …
Son, age 5
Rock Island, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Son, age 15
Rock Island, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Paul A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Son, age 25
Rock-Island-County, Illinois · implied b. ~1915 — 7 household members
| Surname | Johnson |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Occupation | File clerk |
| Industry | Rock Island Arsenal |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | Hs 3 |
| 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 Paul Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and mother Bessie Johnson (~0.92 confidence) and mother Hattie Johnson (~0.92 confidence) and mother Hassie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Bessie Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Hattie Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Hassie Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Paul Johnson
Son · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Alice Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Johnson
Sibling · 1940 · age 32
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 — 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-t0627-00875-00485)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dalton Duncan | 62 | Head | Baker | Iowa |
| 42 | Margaret Duncan | 54 | Wife | Stenographer | Illinois |
| 43 | Robert Duncan | 19 | Son | — | Illinois |
| 44 | Elizabeth Jane Duncan | 17 | Daughter | — | Illinois |
| 45 | Lois Duncan | 15 | Daughter | — | Illinois |
| 46 | Earl Mclaughlin | 31 | Head | Policeman | Pennsylvania |
| 47 | Bernice Mclaughlin | 32 | Wife | — | Pennsylvania |
| 48 | John Mclaughlin | 11 | Son | — | Ohio |
| 49 | Eunice Mclaughlin | 9 | Daughter | — | Illinois |
| 50 | Fred Mclaughlin | 8 | Son | — | Illinois |
| 51 | Earl Jr. Mclaughlin | 4 | Son | — | Illinois |
| 52 | Bessie Johnson | 54 | Head | — | Virginia |
| 53 | Harold Johnson | 32 | Son | Clerk | Illinois |
| 54 | Evelyn Johnson | 29 | Daughter-in-law | Maid | Missouri |
| 55 | Paul Johnson THIS PERSON | 25 | Son | File Clerk | Illinois |
| 56 | Catherine Johnson | 21 | Daughter-in-law | — | Indiana |
| 57 | Larry Johnson | 1 | Grandson | — | Illinois |
| 58 | Alice Johnson | 13 | Daughter | — | Illinois |
| 59 | John Caddy | 64 | Head | Steam Fitter | Pennsylvania |
| 60 | Dorphine Caddy | 48 | Wife | — | Illinois |
| 61 | Reuben Anderson | 40 | Head | Railroad Clerk | Illinois |
| 62 | Ella Anderson | 39 | Wife | — | Iowa |
| 63 | Margaret Anderson | 13 | Daughter | — | Illinois |
| 64 | Lorna Anderson | 11 | Daughter | — | Illinois |
| 65 | Reuben Anderson | 6 | Son | — | Illinois |
| 66 | Norman Krupke | 28 | Lodger | Communications Operator | Wisconsin |
| 67 | Sam Winer | 43 | Head | Owner | Russia |
| 68 | Rose Winer | 42 | Wife | — | Poland |
| 69 | Morris Winer | 21 | Son | Salesman | Illinois |
| 70 | Jack Winer | 15 | Son | — | Illinois |
| 71 | Hulda Gustafson | 63 | Head | Laundress | Sweden |
| 72 | Stanley Gustafson | 28 | Son | Toolmaker | Illinois |
| 73 | Nadine Pierson | 20 | Lodger | Stenographer | Illinois |
| 74 | Edward Olson | 74 | Lodger | — | Sweden |
| 75 | Leroy Siedlar | 34 | Head | Timekeeper | Illinois |
| 76 | Blanche Siedlar | 31 | Wife | — | Illinois |
| 77 | Leigh Siedlar | 9 | Son | — | Illinois |
| 78 | Ileta Siedlar | 5 | Daughter | — | Illinois |
| 79 | Peter Detry | 24 | Lodger | Assembler | Illinois |
| 80 | Ruby Detry | 22 | Lodger | — | Minnesota |
Pedigree Summary
Paul + 2 siblings
Gen 1 · 4 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)