MJ
Mary Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cloud-County, Kansas
Our Model Tree links this Mary Johnston across the 1920, 1930 and 1940 US Censuses in Cloud-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 3-person household.
Age 67
b. ~1873
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cloud-County, Kansas |
| Surname | Johnston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Buffalo Township |
| 1935 Residence (County) | Cloud |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Buffalo Township |
| Est. Birth Year | ~1873 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Johnston | Head | — | 71 | ~1869 |
| Mildred Johnston | Son | — | 29 | ~1911 |
| Mary Johnston | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Cloud, Kansas
Spouse, age 46
Cloud, Kansas · implied b. ~1874 — 6 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 | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cloud, Kansas
Spouse, age 57
Cloud, Kansas · implied b. ~1873 — 3 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 | 57 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cloud-County, Kansas
Spouse, age 67
Cloud-County, Kansas · implied b. ~1873 — 3 household members
| Surname | Johnston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Buffalo Township |
| 1935 Residence (County) | Cloud |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 Mary Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Johnston
Spouse · 1940 · age 67 · b. ~1873 · Kansas
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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 — Cloud-County, Kansas
Open full size
1940 US Federal Census — Cloud-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01225-00044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jay G. Moore | 60 | Head | Farmer | Missouri |
| 2 | Lena Moore | 56 | Wife | — | Kansas |
| 3 | Richard Johnson | 3 | Grand-son | — | Kansas |
| 4 | Lena Holgerson | 33 | Lodger | School Teacher | Kansas |
| 5 | Harold Brownell | 36 | Head | Farm Laborer | Kansas |
| 6 | Thelma Brownell | 26 | Wife | — | Kansas |
| 7 | Tommy Brownell | 4 | Son | — | Kansas |
| 8 | Jackie Brownell | 1 | Son | — | Kansas |
| 9 | Georgia May Brownell | 0 | Daughter | — | Kansas |
| 10 | Donald Freeby | 7 | Step-son | — | Kansas |
| 11 | Jay Farrell | 29 | Head | Farmer | Kansas |
| 12 | Fay Farrell | 34 | Wife | — | Kansas |
| 13 | Patrick Farrell | 4 | Son | — | Kansas |
| 14 | Richard Farrell | 1 | Son | — | Kansas |
| 15 | Mrs. E. F. Green | 77 | Mother-in-law | — | Illinois |
| 16 | Clifford Green | 37 | Brother-in-law | Farmer | Kansas |
| 17 | Isabel Green | 38 | Sister-in-law | — | Kansas |
| 18 | Rosalita Green | 3 | Neice | — | Kansas |
| 19 | William Mullarkey | 83 | Uncle | — | Illinois |
| 20 | Thomas A. Fazel | 71 | Head | Farmer | Iowa |
| 21 | Libbie Fazel | 66 | Wife | — | Kansas |
| 22 | Frank Cleveland | 59 | Head | Farmer | Kansas |
| 23 | Dora Cleveland | 58 | Wife | — | Kansas |
| 24 | Dewey Johnston | 41 | Head | Farmer | Kansas |
| 25 | Lottie Johnston | 39 | Wife | — | Kansas |
| 26 | Harlan Johnston | 14 | Son | — | Kansas |
| 27 | Rex Johnston | 6 | Son | — | Kansas |
| 28 | Harry Johnston | 42 | Head | Farmer | Kansas |
| 29 | Elva Johnston | 42 | Wife | — | Kansas |
| 30 | Norman Johnston | 13 | Son | — | Kansas |
| 31 | Dean Johnston | 10 | Son | — | Kansas |
| 32 | William Johnston | 71 | Head | Farm Manager | Indiana |
| 33 | Mary Johnston THIS PERSON | 67 | Wife | — | Iowa |
| 34 | Mildred Johnston | 29 | Son | Farm Laborer | Kansas |
| 35 | James C. Cooper | 45 | Head | Refrigeration Engineer | Kansas |
| 36 | Wilma Cooper | 45 | Wife | — | Kansas |
| 37 | Maurice Cooper | 19 | Son | Farm Laborer | Kansas |
| 38 | Alice Cooper | 11 | Daughter | — | Kansas |
| 39 | Jimmie Cooper | 6 | Son | — | Kansas |
| 40 | William Lewis | 67 | Head | — | Kansas |
Related Census Records
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)