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Billy Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tooele-County, Utah
Our Model Tree links this Billy Smith across the 1930 and 1940 US Censuses in Tooele-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tooele-County, Utah |
| Surname | Smith |
| Given Name | Billy Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Tooele city |
| 1935 Residence (County) | Tooele |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same house |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Tooele City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Billy | Age | Birth yr |
|---|---|---|---|---|
| Jay Mallett | Other | — | 3 | ~1937 |
| Vagna Smith | Head | — | 45 | ~1895 |
| Floris Mallett | Daughter | — | 24 | ~1916 |
| Maxine Smith | Daughter | — | 20 | ~1920 |
| Billy Smith | Daughter | — | 14 | ~1926 |
| William Mallett | Other | — | 29 | ~1911 |
Census Appearances
1930
Tooele, Utah
Daughter, age 4
Tooele, Utah · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Billy Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Tooele-County, Utah
Daughter, age 14
Tooele-County, Utah · implied b. ~1926 — 6 household members
| Surname | Smith |
| Given Name | Billy Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Tooele city |
| 1935 Residence (County) | Tooele |
| Highest Grade | 7 |
| 1935 Residence | Same house |
| 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 Billy Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Billy Smith
Daughter · 1940 · age 14 · b. ~1926 · Utah
★ You are viewing this record
Sibling
Maxine Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floris Mallett
Sibling · 1940 · age 24
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 — Tooele-County, Utah
Open full size
1940 US Federal Census — Tooele-County, Utah
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-04218-00312)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Glenn Shields | 28 | Head | Clerk | Utah |
| 42 | Maxine Shields | 25 | Wife | — | Utah |
| 43 | Jay Shields | 4 | Son | — | Utah |
| 44 | James Lynn Shields | 1 | Daughter | — | Utah |
| 45 | Sherman Olsen | 37 | Head | Laborer | Utah |
| 46 | Florence Olsen | 37 | Wife | — | Utah |
| 47 | Melvin Olsen | 17 | Son | — | Utah |
| 48 | Phyllis Olsen | 16 | Daughter | — | Utah |
| 49 | Doris Olsen | 14 | Daughter | — | Utah |
| 50 | Devere Olsen | 12 | Son | — | Utah |
| 51 | Gerald Olsen | 10 | Son | — | Nevada |
| 52 | Douglas Olsen | 7 | Son | — | Utah |
| 53 | James Olsen | 5 | Son | — | Utah |
| 54 | Anthony Mehle | 48 | Head | Furnaceman | Colorado |
| 55 | Spalome Mehle | 47 | Wife | — | Slavia |
| 56 | Pauline Mehle | 26 | Daughter | — | Utah |
| 57 | Anthony Mehle | 23 | Son | Laborer | Utah |
| 58 | Tina Mehle | 20 | Daughter | Operator | Utah |
| 59 | Eustina Mehle | 15 | Daughter | — | Utah |
| 60 | Stanley Mehle | 12 | Son | — | Utah |
| 61 | Francis Mehle | 9 | Daughter | — | Utah |
| 62 | Mary Jane Mehle | 6 | Daughter | — | Utah |
| 64 | James Harris | 58 | Head | Farmer | Utah |
| 65 | Nellie B Harris | 56 | Wife | — | Utah |
| 66 | Grant Harris | 15 | Son | — | Utah |
| 67 | John T Campbell | 36 | Son | Miner | Utah |
| 68 | Betty Campbell | 13 | Daughter-in-law | — | Utah |
| 70 | Vagna Smith | 45 | Head | — | Utah |
| 71 | Maxine Smith | 20 | Daughter | — | Utah |
| 72 | Billy Jean Smith THIS PERSON | 14 | Daughter | — | Utah |
| 73 | William Mallett | 29 | Son-in-law | — | Utah |
| 74 | Floris Mallett | 24 | Daughter | — | Utah |
| 75 | Jay Mallett | 3 | Grandson | — | Utah |
| 76 | Wilford Hanson | 36 | Head | Laborer | Utah |
| 77 | Irene Hanson | 32 | Wife | — | Utah |
| 78 | Deloy Hanson | 11 | Son | — | Utah |
| 79 | Wayne Hanson | 9 | Son | — | Utah |
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)