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Jean Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iron-County, Missouri
Our Model Tree links this Jean Johnson across the 1930 and 1940 US Censuses in Iron-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iron-County, Missouri |
| Surname | Johnson |
| Given Name | Jean R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Iron |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Kaolin Twp |
| Est. Birth Year | ~1925 |
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 Jean | Age | Birth yr |
|---|---|---|---|---|
| Dick Johnson | Son | — | 1 | ~1939 |
| Hardy Johnson | Head | — | 43 | ~1897 |
| Mary Johnson | Daughter | — | 6 | ~1934 |
| Hardy Johnson | Son | — | 17 | ~1923 |
| Louie Johnson | Son | — | 19 | ~1921 |
| Carl Johnson | Son | — | 3 | ~1937 |
| Jean Johnson | Son | — | 15 | ~1925 |
| Fy Johnson | Son | — | 12 | ~1928 |
| Helen Johnson | Daughter | — | 21 | ~1919 |
| Nellie Johnson | Spouse | — | 43 | ~1897 |
| Ay Johnson | Son | — | 24 | ~1916 |
Census Appearances
1930
Iron, Missouri
Son, age 4
Iron, Missouri · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jean R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Iron-County, Missouri
Son, age 15
Iron-County, Missouri · implied b. ~1925 — 11 household members
| Surname | Johnson |
| Given Name | Jean R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Iron |
| Highest Grade | No 7 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Jean Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jean Johnson
Son · 1940 · age 15 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
Helen Johnson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hardy Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fy Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dick Johnson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louie Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ay 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 — Iron-County, Missouri
Open full size
1940 US Federal Census — Iron-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02113-00826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary R. Jennings | 8 | Daughter | — | Missouri |
| 2 | Dorothy B. Jennings | 6 | Daughter | — | Missouri |
| 3 | Harry C. Jennings | 1 | Son | — | Illinois |
| 4 | Willard T. Crocker | 48 | Head | Laborer | Missouri |
| 5 | Florence E. Crocker | 36 | Wife | — | Missouri |
| 6 | Erma I. Crocker | 17 | Daughter | — | Missouri |
| 7 | Mabel V. Crocker | 13 | Daughter | — | Missouri |
| 8 | Thomas H. Crocker | 10 | Son | — | Missouri |
| 9 | Mace L. Crocker | 7 | Son | — | Missouri |
| 10 | Naoma J. Crocker | 0 | Daughter | — | Missouri |
| 11 | Giles W. Crocker | 66 | Head | — | Missouri |
| 12 | Annie Crocker | 64 | Wife | — | Missouri |
| 13 | Harmon E. Crocker | 22 | Son | Farm Hand | Missouri |
| 14 | Hardy F. Johnson | 43 | Head | Farm Operator | Missouri |
| 15 | Nellie A. Johnson | 43 | Wife | — | Missouri |
| 16 | Ay Leo Johnson | 24 | Son | Farm Hand | Missouri |
| 17 | Helen V. Johnson | 21 | Daughter | — | Missouri |
| 18 | Louie D. Johnson | 19 | Son | Laborer | Missouri |
| 19 | Hardy D. Johnson | 17 | Son | — | Missouri |
| 20 | Jean R. Johnson THIS PERSON | 15 | Son | — | Missouri |
| 21 | Fy Mike Johnson | 12 | Son | — | Missouri |
| 22 | Mary R. Johnson | 6 | Daughter | — | Missouri |
| 23 | Carl E. Johnson | 3 | Son | — | Missouri |
| 24 | Dick M. Johnson | 1 | Son | — | Missouri |
| 25 | Ernest F. Harbison | 23 | Head | Truck Driver | Missouri |
| 26 | Mildred M. Harbison | 21 | Wife | — | Missouri |
| 27 | William M. Brooks | 52 | Head | Farming | Missouri |
| 28 | Lettie C. Brooks | 57 | Wife | — | Missouri |
| 29 | Clifford D. Brooks | 21 | Son | Farm Laborer | Missouri |
| 30 | Cletis M. Brooks | 18 | Son | Laborer | Missouri |
| 31 | Kenneth C. Brooks | 15 | Son | — | Missouri |
| 32 | Eulah P. Brooks | 12 | Daughter | — | Missouri |
| 33 | Beulah M. Brooks | 12 | Daughter | — | Missouri |
| 34 | Charles F. Crocker | 54 | Head | Farm Operator | Missouri |
| 35 | Laura L. Crocker | 52 | Wife | — | Missouri |
| 36 | Raymond E. Crocker | 18 | Son | Laborer | Missouri |
| 37 | Thomas J. Crocker | 16 | Son | — | Missouri |
| 38 | Rossie Barger | 45 | Head | Farm Operator | Missouri |
| 39 | Thelma L. Barger | 16 | Daughter | — | Missouri |
| 40 | John S. Barger | 14 | Son | — | Missouri |
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)