RS
Ruth Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bingham-County, Idaho
Our Model Tree links this Ruth Smith across the 1920, 1930 and 1940 US Censuses in Bingham-County, Idaho (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Female
Daughter
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bingham-County, Idaho |
| Surname | Smith |
| Given Name | Ruth V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Blackfoot City |
| 1935 Residence (County) | Bingham |
| Additional Details | |
| Occupation | Music Teacher |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same home |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Teacher |
| Township / Ward | Blackfoot City |
| Est. Birth Year | ~1913 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Smith | Daughter | — | 27 | ~1913 |
| Charles Smith | Head | — | 79 | ~1861 |
| S Smith | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Bingham, Idaho
Daughter, age 6
Bingham, Idaho · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | England |
| Occupation | none |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Bingham, Idaho
Daughter, age 17
Bingham, Idaho · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Bingham-County, Idaho
Daughter, age 27
Bingham-County, Idaho · implied b. ~1913 — 3 household members
| Surname | Smith |
| Given Name | Ruth V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Blackfoot City |
| 1935 Residence (County) | Bingham |
| Occupation | Music Teacher |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | C 1 |
| 1935 Residence | Same home |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Smith (~0.92 confidence) and father Charles Smith (~0.92 confidence) and father Charles Smith (~0.92 confidence) and mother S Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Smith
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
S Smith
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Smith
Daughter · 1940 · age 27 · b. ~1913 · Idaho
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Bingham-County, Idaho
Open full size
1940 US Federal Census — Bingham-County, Idaho
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00739-00124)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis H Spencer | 22 | Head | Sta. Supervison | Utah |
| 2 | Della S B Spencer | 33 | Wife | — | Utah |
| 3 | Roger S Spencer | 2 | Son | — | Idaho |
| 4 | Marsha G Spencer | 0 | Daughter | — | Idaho |
| 5 | Earl Fisk | 39 | Head | Science Teacher | Idaho |
| 6 | Olive E Fisk | 39 | Wife | — | Iowa |
| 7 | Margaret E B Ketchum | 58 | Head | — | Michigan |
| 8 | James C Ketchum | 20 | Son | Sales Clerk | Idaho |
| 9 | Leland Fillmore | 24 | Lodger | Sales Clerk | Idaho |
| 10 | Raymond J Smith | 49 | Head | County Supervison | Utah |
| 11 | Leona Smith | 41 | Wife | — | Idaho |
| 12 | Ray Charles Smith | 21 | Son | New Worker | Utah |
| 13 | Luther M Capps | 77 | Head | — | Alabama |
| 14 | Elizabeth G B Capps | 72 | Wife | — | Minnesota |
| 15 | John J Leonard | 45 | Head | Operator | Pennsylvania |
| 16 | Nellie M B Leonard | 28 | Wife | Operator | Washington |
| 17 | Kenneth B Taylor | 33 | Head | Owner | Iowa |
| 18 | Phronie B Taylor | 33 | Wife | — | Idaho |
| 19 | Dean S Taylor | 13 | Son | — | Idaho |
| 20 | Jerry K Taylor | 2 | Son | — | Idaho |
| 21 | Alice Kruse | 16 | Hired girl | — | Idaho |
| 22 | Clifford P Marshall | 58 | Head | Farmer | Idaho |
| 23 | Alcyone B Marshall | 35 | Wife | — | Utah |
| 24 | Jack (Ab) Marshall | 15 | Son | — | California |
| 25 | Donna Gay Marshall | 7 | Daughter | — | Nevada |
| 26 | Terrell E Marshall | 5 | Son | — | Idaho |
| 27 | Steven G Marshall | 3 | Son | — | Idaho |
| 28 | Ava M Barnes | 42 | Head | Principal Teacher | Idaho |
| 29 | William P Barnes | 17 | Son | New Worker | Idaho |
| 30 | Harold T Barnes | 15 | Son | — | Idaho |
| 31 | Belinda E B Mcmahon | 80 | Mother | — | Canada |
| 32 | Wolford W Jr Black | 30 | Head | Physician & Surgeon | Utah |
| 33 | Eleanor M Black | 32 | Wife | — | Illinois |
| 34 | Wolford W 3Rd Black | 2 | Son | — | Illinois |
| 35 | Edna V Frazer | 19 | Hired girl | Hired Girl | Idaho |
| 36 | Charles F Smith | 79 | Head | Part Owner | Iowa |
| 37 | S. Elizabeth Smith | 67 | Wife | — | England |
| 38 | Ruth V Smith THIS PERSON | 27 | Daughter | Music Teacher | Idaho |
Pedigree Summary
Ruth
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)