MJ
Mary Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ozark-County, Missouri
Our Model Tree links this Mary Johnston across the 1920, 1930 and 1940 US Censuses in Ozark-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 6-person household.
Age 53
b. ~1887
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ozark-County, Missouri |
| Surname | Johnston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Bayou Township |
| 1935 Residence (County) | Ozark |
| Additional Details | |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Bayou Township |
| Est. Birth Year | ~1887 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ella Morris | Daughter | — | 19 | ~1921 |
| Jesse Johnston | Head | — | 56 | ~1884 |
| Charles Morris | Other | — | 19 | ~1921 |
| Henry Johnston | Son | — | 21 | ~1919 |
| Ralph Johnston | Son | — | 13 | ~1927 |
| Mary Johnston | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Ozark, Missouri
Spouse, age 33
Ozark, Missouri · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Ozark, Missouri
Spouse, age 43
Ozark, Missouri · implied b. ~1887 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Ozark-County, Missouri
Spouse, age 53
Ozark-County, Missouri · implied b. ~1887 — 6 household members
| Surname | Johnston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Bayou Township |
| 1935 Residence (County) | Ozark |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Mary Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Johnston
Spouse · 1940 · age 53 · b. ~1887 · Missouri
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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 — Ozark-County, Missouri
Open full size
1940 US Federal Census — Ozark-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02135-00405)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Brickey | 23 | Wife | — | Missouri |
| 2 | James Brickey | 7 | Son | — | Missouri |
| 3 | Delbert Brickey | 5 | Son | — | Missouri |
| 4 | William Herring | 67 | Head | Farmer | Missouri |
| 5 | Missouri Herring | 45 | Wife | — | Missouri |
| 6 | Willard Herring | 17 | Son | Laborer | Missouri |
| 7 | Loyd Herring | 15 | Son | Laborer | Missouri |
| 8 | Ray Herring | 13 | Son | — | Missouri |
| 9 | Earnestine Herring | 11 | Daughter | — | Missouri |
| 10 | Noline Herring | 8 | Daughter | — | Missouri |
| 11 | Norma Jane Herring | 7 | Daughter | — | Missouri |
| 12 | Martha Odell | 66 | Head | Farmer | Missouri |
| 13 | Betty Hensley | 72 | Head | Farmer | North Carolina |
| 14 | Hervil Hensley | 33 | Son | Laborer | Missouri |
| 15 | Elmer Hensley | 49 | Head | Farmer | Missouri |
| 16 | Grace Hensley | 39 | Wife | — | Missouri |
| 17 | Maxine Hensley | 17 | Daughter | — | Missouri |
| 18 | Lorene Hensley | 16 | Daughter | — | Missouri |
| 19 | Junior Hensley | 13 | Son | — | Missouri |
| 20 | Floyd Hensley | 12 | Son | — | Missouri |
| 21 | Vivian Hensley | 7 | Daughter | — | Missouri |
| 22 | Velma Hensley | 5 | Daughter | — | Missouri |
| 23 | Neoma Hensley | 2 | Daughter | — | Missouri |
| 24 | Bonnie Hensley | 1 | Daughter | — | Missouri |
| 25 | Joe Stranghon|Stroughon | 43 | Head | Farmer | Nebraska |
| 26 | Madge Stranghon|Stroughon | 41 | Wife | — | Iowa |
| 27 | Donna Jean Stranghon|Stroughon | 10 | Daughter | — | Iowa |
| 28 | Jesse Johnston | 56 | Head | Farmer | Missouri |
| 29 | Mary Johnston THIS PERSON | 53 | Wife | — | Missouri |
| 30 | Henry Johnston | 21 | Son | Laborer | Missouri |
| 31 | Ralph Johnston | 13 | Son | — | Missouri |
| 32 | Ella Morris | 19 | Daughter | — | Missouri |
| 33 | Charles Morris | 19 | Son-in-law | — | Missouri |
| 34 | Clifford Schuff | 24 | Head | Farmer | Missouri |
| 35 | Geneva Schuff | 21 | Wife | — | Missouri |
| 36 | Amos Lee Schuff | 0 | Son | — | Missouri |
| 37 | Laura Schuff | 68 | Mother | — | Arkansas |
| 38 | Bob Mckinney | 58 | Head | Farmer | Missouri |
| 39 | Adam Mckinney | 34 | Head | Farmer | Missouri |
| 40 | Sibyl Mckinney | 35 | Wife | — | Oklahoma |
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)