CJ
Curtis Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adams-County, Iowa
Our Model Tree links this Curtis Johnson across the 1920, 1930 and 1940 US Censuses in Adams-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 2-person household.
Age 82
b. ~1858
Male
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Adams-County, Iowa |
| Surname | Johnson |
| Given Name | Curtis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Prescott Town |
| 1935 Residence (County) | Adams |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Prescott Town |
| Est. Birth Year | ~1858 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Curtis | Age | Birth yr |
|---|---|---|---|---|
| Ruby Dykee | Daughter | — | 54 | ~1886 |
| Curtis Johnson | Head | — | 82 | ~1858 |
Census Appearances
1920
Adams, Iowa
Head, age 62
Adams, Iowa · implied b. ~1858 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Curtis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Missouri |
| Occupation | Harness Maker |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Adams, Iowa
Head, age 72
Adams, Iowa · implied b. ~1858
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnson |
| Given Name | Curtis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | Missouri |
| Occupation | Operator |
| Industry | Harness Store |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Adams-County, Iowa
Head, age 82
Adams-County, Iowa · implied b. ~1858 — 2 household members
| Surname | Johnson |
| Given Name | Curtis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Prescott Town |
| 1935 Residence (County) | Adams |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 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 Curtis Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Curtis Johnson
Head · 1940 · age 82 · b. ~1858 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Adams-County, Iowa
Open full size
1940 US Federal Census — Adams-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01136-00653)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ronald Campbell | 22 | Head | Laborer | Iowa |
| 2 | Bernice Campbell | 20 | Wife | — | Iowa |
| 3 | Kathlyn Kay Campbell | 2 | daughter | — | Iowa |
| 4 | Velma Campbell | 17 | sister | — | Iowa |
| 5 | Marjorie Hayes | 19 | sister in law | New Worker | Iowa |
| 6 | Jeanne Hayes | 16 | sister in law | — | Iowa |
| 7 | Floyd Herring | 33 | Head | Laborer | Iowa |
| 8 | Ellen Herring | 32 | Wife | — | Iowa |
| 9 | Floy Herring | 11 | daughter | — | Iowa |
| 10 | Lee Edward Herring | 9 | Son | — | Iowa |
| 11 | Lyle Herring | 8 | son | — | Iowa |
| 12 | Harry Herring | 6 | son | — | Iowa |
| 13 | William Herring | 3 | son | — | Iowa |
| 14 | Cloyd Lynam | 23 | Head | Mechanic | Iowa |
| 15 | Velma Lynam | 23 | Wife | — | Iowa |
| 16 | Russel Lynam | 4 | son | — | Iowa |
| 17 | Wayne Lynam | 2 | son | — | Iowa |
| 18 | Elton Lynam | 0 | son | — | Iowa |
| 19 | Floyd Williams | 42 | Head | Trucker | Iowa |
| 20 | Loula Williams | 40 | Wife | — | Iowa |
| 21 | Marjorie Williams | 16 | daughter | — | Iowa |
| 22 | Ross Williams | 8 | son | — | Iowa |
| 23 | Lois Williams | 3 | daughter | — | Iowa |
| 24 | Jennie David | 62 | Head | — | Iowa |
| 25 | Louise David | 26 | daughter | Housekeeper | Iowa |
| 26 | Forrest David | 16 | grandson | Laborer | Iowa |
| 27 | Elmer W. Allen | 58 | Head | Farming | Iowa |
| 28 | Clara A. Allen | 64 | Wife | — | Iowa |
| 29 | Lee Roy Allen | 29 | Head | Farmer | Iowa |
| 30 | Velma Allen | 26 | Wife | — | Iowa |
| 31 | Frank Sears | 47 | Head | Barber | Iowa |
| 32 | Ruth Sears | 43 | Wife | — | Iowa |
| 33 | Lyle Sears | 19 | son | Carpenter | Iowa |
| 34 | Beverly Sears | 11 | daughter | — | Iowa |
| 35 | Hugh Keever | 67 | Head | Retired | Ohio |
| 36 | Charlotte Keever | 66 | wife | — | Illinois |
| 37 | Emily Stevens | 74 | mother in law | Housekeeper | Iowa |
| 38 | Curtis Johnson THIS PERSON | 82 | Head | — | Illinois |
| 39 | Ruby Dykee | 54 | daughter | — | Illinois |
| 40 | Forrest Polson | 35 | Head | Service Sta. Atten. | Iowa |
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)