BJ
Barbara Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Barbara Johnson across the 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Johnson |
| Given Name | Barbara V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Murray City |
| Est. Birth Year | ~1927 |
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 Barbara | Age | Birth yr |
|---|---|---|---|---|
| Jane Johnson | Daughter | — | 10 | ~1930 |
| Barbara Johnson | Daughter | — | 13 | ~1927 |
| Austin Johnson | Head | — | 34 | ~1906 |
| Austin Johnson | Son | — | 15 | ~1925 |
| Douglas Johnson | Son | — | 1 | ~1939 |
| Ruth Johnson | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Salt Lake, …
Daughter, age 2
Salt Lake, Utah · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Barbara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 13
Salt-Lake-County, Utah · implied b. ~1927 — 6 household members
| Surname | Johnson |
| Given Name | Barbara V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Highest Grade | No 6 |
| 1935 Residence | Utah |
| 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 Barbara Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Barbara Johnson
Daughter · 1940 · age 13 · b. ~1927 · Utah
★ You are viewing this record
Sibling
Jane Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Johnson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Austin Johnson
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 — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04216-00760)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sena Nielsen | 62 | Wife | — | Denmark |
| 2 | John Eveline | 68 | Head | — | Sweden |
| 3 | John R Eveline | 57 | Brother | — | Sweden |
| 4 | Mina E Wright | 59 | Head | — | Utah |
| 5 | William Vance (Ab) Wright | 22 | Son | Student | Utah |
| 6 | Ward Line | None | — | — | — |
| 7 | Austin G Johnson | 34 | Head | File Clerk | Utah |
| 8 | Ruth E R Johnson | 32 | Wife | — | Utah |
| 9 | Austin Jr Johnson | 15 | Son | Student | Utah |
| 10 | Barbara V Johnson THIS PERSON | 13 | Daughter | — | Utah |
| 11 | Jane H Johnson | 10 | Daughter | — | Utah |
| 12 | Douglas R Johnson | 1 | Son | — | Utah |
| 13 | Samuel Gough | 62 | Head | Prop Of School & Teacher | Utah |
| 14 | Thalia J Gough | 54 | Wife | — | Utah |
| 15 | Alene John Gough | 15 | Son | Student | Utah |
| 16 | Wallace Eldo Gough | 12 | Son | — | Utah |
| 17 | Boyd E Laycock | 27 | Stepson | — | Utah |
| 18 | Harvey A R Harth | 38 | Head | Auto Mechanic | Utah |
| 19 | Irene K Harth | 27 | Wife | — | Missouri |
| 20 | Shirley May Harth | 10 | Daughter | — | Utah |
| 21 | Lamont H Harth | 8 | Son | — | Utah |
| 22 | Tamara L Harth | 0 | Daughter | — | Utah |
| 23 | Conrad J R Nelson | 44 | Head | — | Utah |
| 24 | Elizabeth T Nelson | 41 | Wife | Seamstress | Utah |
| 25 | Merelda Nelson | 15 | Daughter | Student | Utah |
| 26 | Anita Nelson | 11 | Daughter | — | Utah |
| 27 | Elmer S Nelson | 32 | Brother | Truck Driver | Utah |
| 28 | Alfred Mallory | 52 | Head | Laborer - Furnace | Missouri |
| 29 | Emma A R Mallory | 48 | Wife | — | Utah |
| 30 | Helen M Mallory | 17 | Daughter | Child Maid To Housekeeper | Utah |
| 31 | Hollis B Tanner | 34 | Head | Laborer Charge - Floor | Utah |
| 32 | Daisy A Tanner | 29 | Wife | — | Utah |
| 33 | Carol D Tanner | 8 | Daughter | — | Utah |
| 34 | Sally Kay Tanner | 4 | Daughter | — | Utah |
| 35 | Neal Ray Vann | 60 | Head | Laborer | Utah |
| 36 | Agnes Vann | 61 | Wife | — | Nevada |
| 37 | Jack Blain R Vann | 17 | Son | Student | Utah |
| 38 | Don Hibbard Vann | 13 | Son | — | Utah |
| 39 | Alvin Morgan | 22 | Son-in-law | Hod Carrier | Utah |
| 40 | Doris Evelyn Morgan | 17 | Daughter | Library Assistant | 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)