RJ
Ruth Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Beadle-County, South Dakota
Our Model Tree links this Ruth Johnston across the 1930 and 1940 US Censuses in Beadle-County, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Beadle-County, South Dakota |
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Huron |
| 1935 Residence (County) | Beadle |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Huron |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Robert Johnston | Head | — | 45 | ~1895 |
| Leo Johnston | Son | — | 13 | ~1927 |
| Cleo Johnston | Son | — | 13 | ~1927 |
| Ruth Johnston | Daughter | — | 14 | ~1926 |
| Lloyd Johnston | Son | — | 19 | ~1921 |
| Verna Johnston | Daughter | — | 15 | ~1925 |
| Orville Johnston | Son | — | 11 | ~1929 |
| Evelyn Johnston | Daughter | — | 17 | ~1923 |
| Irma Johnston | Spouse | — | 39 | ~1901 |
| Lawrence Johnston | Son | — | 8 | ~1932 |
Census Appearances
1930
Beadle, South …
Daughter, age 4
Beadle, South Dakota · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Beadle-County, South …
Daughter, age 14
Beadle-County, South Dakota · implied b. ~1926 — 10 household members
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Huron |
| 1935 Residence (County) | Beadle |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Ruth Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Johnston
Daughter · 1940 · age 14 · b. ~1926 · South Dakota
★ You are viewing this record
Sibling
Evelyn Johnston
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orville Johnston
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Johnston
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cleo Johnston
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Johnston
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Johnston
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Johnston
Sibling · 1940 · age 15
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 — Beadle-County, South Dakota
Open full size
1940 US Federal Census — Beadle-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03847-00361)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Simkins | 38 | Wife | — | Nebraska |
| 2 | Harold Simkins | 14 | Son | — | South Dakota |
| 3 | Darrell Simkins | 8 | Son | — | South Dakota |
| 4 | Mavis Simkins | 6 | Daughter | — | South Dakota |
| 5 | Robert Johnston | 45 | Head | Truck Driver | Iowa |
| 6 | Irma Johnston | 39 | Wife | — | Iowa |
| 7 | Lloyd Johnston | 19 | Son | — | South Dakota |
| 8 | Evelyn Johnston | 17 | Daughter | Laborer | South Dakota |
| 9 | Verna Johnston | 15 | Daughter | — | South Dakota |
| 10 | Ruth Johnston THIS PERSON | 14 | Daughter | — | South Dakota |
| 11 | Cleo Johnston | 13 | Son | — | South Dakota |
| 12 | Leo Johnston | 13 | Son | — | South Dakota |
| 13 | Orville Johnston | 11 | Son | — | South Dakota |
| 14 | Lawrence Johnston | 8 | Son | — | South Dakota |
| 15 | Artie Carter | 57 | Head | Repair Man | Nebraska |
| 16 | Minnie Carter | 46 | Wife | — | South Dakota |
| 17 | Ray Carter | 19 | Son | — | South Dakota |
| 18 | Maxine Carter | 17 | Daughter | — | South Dakota |
| 19 | Clifford Carter | 14 | Son | — | South Dakota |
| 20 | Alice Merrill | 20 | Niece | — | South Dakota |
| 21 | John Kokesh | 53 | Head | Laborer | Minnesota |
| 22 | Ellen Kokesh | 56 | Wife | Laborer | Sweden |
| 23 | Alvin Plumb | 22 | Step son | — | South Dakota |
| 24 | Hattie Bergstrom | 78 | Head | Salesman | Indiana |
| 25 | Joe Augustine | 64 | Lodger | — | Austria |
| 26 | Charles Burrows | 72 | Head | Salesman | Illinois |
| 27 | Katherine Burrows | 69 | Wife | — | Wisconsin |
| 28 | Van Mcneill | 42 | Head | Foreman | South Dakota |
| 29 | Hattie Mcneill | 31 | Wife | Meat Cutter | Nebraska |
| 30 | Jay L. Beck | 23 | Head | Laborer | North Dakota |
| 31 | Edna Beck | 20 | Wife | — | North Dakota |
| 32 | Ray Peterson | 40 | Head | Laborer | South Dakota |
| 33 | Phoebe Peterson | 40 | Wife | — | Minnesota |
| 34 | Richard Peterson | 18 | Son | Laborer | South Dakota |
| 35 | Philip Peterson | 16 | Son | — | South Dakota |
| 36 | Raymond Peterson | 15 | Son | — | South Dakota |
| 37 | Minnie Twogood | 51 | Head | Cook | Minnesota |
| 38 | Evelyn Twogood | 18 | Daughter | — | South Dakota |
| 39 | Merlin Twogood | 16 | Son | — | South Dakota |
| 40 | Henry J. Winker | 41 | Head | Laborer | South Dakota |
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)