RJ
Ruth Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blaine-County, Idaho
Our Model Tree links this Ruth Johnston across the 1930 and 1940 US Censuses in Blaine-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 7-person household.
Age 40
b. ~1900
Female
Spouse
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blaine-County, Idaho |
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | 3N |
| 1935 Residence (County) | Blaine |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | 3N |
| Est. Birth Year | ~1900 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Johnston | Daughter | — | 19 | ~1921 |
| Ransom Johnston | Head | — | 43 | ~1897 |
| Earl Johnston | Son | — | 15 | ~1925 |
| Leslie Johnston | Daughter | — | 13 | ~1927 |
| Ruth Johnston | Spouse | — | 40 | ~1900 |
| Lyle Johnston | Son | — | 2 | ~1938 |
| Ray Johnston | Son | — | 8 | ~1932 |
Census Appearances
1930
Blaine, Idaho
Spouse, age 29
Blaine, Idaho · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | Ruth Z. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 18 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Blaine-County, Idaho
Spouse, age 40
Blaine-County, Idaho · implied b. ~1900 — 7 household members
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | 3N |
| 1935 Residence (County) | Blaine |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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
Spouse · 1940 · age 40 · b. ~1900 · Idaho
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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 — Blaine-County, Idaho
Open full size
1940 US Federal Census — Blaine-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00739-00795)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | M. Vanda | 15 | Daughter | — | Idaho |
| 42 | Robert D. Vanda | 13 | Son | — | Idaho |
| 43 | Donna J. Vanda | 11 | Daughter | — | Idaho |
| 44 | Donald Vanda | 3 | Son | — | Idaho |
| 45 | James G. Brownfield | 54 | Head | Carpenter | Missouri |
| 46 | Emma Brownfield | 47 | Wife | — | Tennessee |
| 47 | Ransom Johnston | 43 | Head | — | Kansas |
| 48 | Ruth Johnston THIS PERSON | 40 | Wife | — | Utah |
| 49 | Ruth P. Johnston | 19 | Daughter | Housework | Idaho |
| 50 | Earl Johnston | 15 | Son | Farmer | Idaho |
| 51 | Leslie Johnston | 13 | Daughter | — | Idaho |
| 52 | Ray L. Johnston | 8 | Son | — | Idaho |
| 53 | Lyle J. Johnston | 2 | Son | — | Idaho |
| 54 | Harry Thomas | 23 | Head | Miner | Idaho |
| 55 | Marvin York | 28 | Lodger | Miner | Nebraska |
| 56 | William Ostrander | 21 | Head | Miner | Utah |
| 57 | Eda Ostrander | 22 | Wife | — | Oklahoma |
| 58 | Wayne Ostrander | 2 | Son | — | Idaho |
| 59 | Edna J. Ostrander | 0 | Daughter | — | Idaho |
| 60 | Russell Eaton | 33 | Head | Teamster | Utah |
| 61 | Jewell Eaton | 26 | Wife | — | Utah |
| 62 | Carol Eaton | 5 | Daughter | — | Idaho |
| 63 | Martin Eaton | 2 | Son | — | Idaho |
| 64 | Charles Earley | 35 | Head | Mucker | Oregon |
| 65 | Velma Earley | 33 | Wife | — | Oregon |
| 66 | John Earley | 12 | Son | — | Utah |
| 67 | Robert O. Lark | 41 | Head | Rancher | Utah |
| 68 | Leonora Lark | 33 | Wife | — | Idaho |
| 69 | Arthur Pfeifer | 28 | Head | Caretaker | Montana |
| 70 | Mary Pfeifer | 23 | Wife | — | Utah |
| 71 | Howard Titus | 54 | Head | Laborer | Colorado |
| 72 | Sarah B. Titus | 42 | Wife | — | New Mexico |
| 73 | Howard B. Titus | 19 | Son | Laborer | Idaho |
| 74 | Lawrence S. Lyttle | 56 | Head | Lumberman | Iowa |
| 75 | Glenn Harder | 45 | Head | Lumberman | California |
| 76 | Eugene Bowers | 47 | Head | Manager | Idaho |
| 77 | Pearl Bowers | 37 | Wife | — | Illinois |
| 78 | George Jones | 43 | Head | Joint Owner | Idaho |
| 79 | Edna Jones | 35 | Wife | — | Illinois |
| 80 | Conrad Schlumegger | 30 | Head | Log Trucker | Switzerland |
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)