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Johnnie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calhoun-County, Iowa
Our Model Tree links this Johnnie Johnson across the 1930 and 1940 US Censuses in Calhoun-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 11-person household.
Age 35
b. ~1905
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Iowa |
| Surname | Johnson |
| Given Name | Johnnie J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Garfield Township |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Garfield Township |
| Est. Birth Year | ~1905 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Johnnie | Age | Birth yr |
|---|---|---|---|---|
| Johnnie Johnson | Head | — | 35 | ~1905 |
| Naura Johnson | Daughter | — | 1 | ~1939 |
| Duane Johnson | Son | — | 4 | ~1936 |
| Darlene Johnson | Daughter | — | 6 | ~1934 |
| Mildred Johnson | Daughter | — | 13 | ~1927 |
| Lee Arndt | Other | — | 18 | ~1922 |
| Eloise Johnson | Daughter | — | 12 | ~1928 |
| Deloris Johnson | Daughter | — | 8 | ~1932 |
| Darrell Johnson | Son | — | ~1940 | |
| Alma Johnson | Spouse | — | 30 | ~1910 |
| Donald Johnson | Son | — | 11 | ~1929 |
Census Appearances
1930
Calhoun, Iowa
Other, age 25
Calhoun, Iowa · implied b. ~1905 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Johnnie J. |
| Relationship to Head | R |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | farmer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Calhoun-County, Iowa
Head, age 35
Calhoun-County, Iowa · implied b. ~1905 — 11 household members
| Surname | Johnson |
| Given Name | Johnnie J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Garfield Township |
| 1935 Residence (County) | Calhoun |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Johnnie Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Johnnie Johnson
Head · 1940 · age 35 · b. ~1905 · 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 — Calhoun-County, Iowa
Open full size
1940 US Federal Census — Calhoun-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01144-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lila L. Giraud | 29 | Wife | — | Iowa |
| 2 | Elvin S. Giraud | 20 | Son | Farm Laborer | Iowa |
| 3 | Wayne G. Giraud | 16 | Son | Farm Labor | Iowa |
| 4 | Phyllis J. Giraud | 14 | Daughter | — | Iowa |
| 5 | John A. Young | 61 | Head | Farmer | Maryland |
| 6 | Amelia Young | 53 | Wife | — | Illinois |
| 7 | Wilma M. Young | 25 | Daughter | School Teacher | Iowa |
| 8 | Carl H. Young | 23 | Son | Stall Caretaker | Iowa |
| 9 | Zelda Rae Young | 4 | Daughter | — | Iowa |
| 10 | Marvin E. Patterson | 30 | Head | Farmer | Iowa |
| 11 | Evelyn V. Patterson | 26 | Wife | Housekeeper | Iowa |
| 12 | Peter S. Patterson | 60 | Father | — | Iowa |
| 13 | Birdie Patterson | 50 | Mother | — | Iowa |
| 14 | Carl J. Gleimann|Gleimauf | 62 | Head | Farmer | Iowa |
| 15 | Herbert Gleimann|Gleimauf | 25 | Son | Farm Laborer | Iowa |
| 16 | Mable Reynolds | 54 | Housekeeper | Housekeeper | Kansas |
| 17 | Corliss D. Hunnell | 26 | Head | Farm Labor | Missouri |
| 18 | Elva F. Hunnell | 25 | Wife | — | Missouri |
| 19 | Corliss C. Hunnell | 6 | Son | — | Missouri |
| 20 | Alice F. Hunnell | 4 | Daughter | — | Missouri |
| 21 | Johnnie J. Johnson THIS PERSON | 35 | Head | Farmer | Iowa |
| 22 | Alma A. Johnson | 30 | Wife | — | Iowa |
| 23 | Mildred D. Johnson | 13 | Daughter | — | Iowa |
| 24 | Eloise H. Johnson | 12 | Daughter | — | Iowa |
| 25 | Donald D. Johnson | 11 | Son | — | Iowa |
| 26 | Deloris M. Johnson | 8 | Daughter | — | Iowa |
| 27 | Darlene R. Johnson | 6 | Daughter | — | Iowa |
| 28 | Duane H. Johnson | 4 | Son | — | Iowa |
| 29 | Naura M. Johnson | 1 | Daughter | — | Iowa |
| 30 | Darrell L. Johnson | 0 | Son | — | Iowa |
| 31 | Lee W. Arndt | 18 | Hired man | Farm Laborer | Iowa |
| 32 | Edward W. Koeppen | 43 | Head | Farmer | Iowa |
| 33 | Martha M. Koeppen | 41 | Wife | — | Iowa |
| 34 | Paul O. Koeppen | 4 | Son | — | Iowa |
| 35 | Eugene M. Williams | 51 | Head | Farmer | Iowa |
| 36 | Alma D. Williams | 22 | Wife | — | Iowa |
| 37 | Virgil C. Williams | 26 | Son | Farmer | Iowa |
| 38 | Wilbert C. Dethmann | 24 | Head | Farmer | Iowa |
| 39 | Edna M. Dethmann | 26 | Wife | — | Iowa |
| 40 | Daryl D. Dethmann | 0 | Son | — | 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)