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Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Ida — first a head (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Clerk |
| Industry | Walker Bank |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2100 |
| Highest Grade | C-1 |
| 1935 Residence | Same house |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Clerk |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1903 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Barbara Carlson | Daughter | — | 14 | ~1926 |
| Oscar Carlson | Head | — | 37 | ~1903 |
| Richard Carlson | Son | — | 13 | ~1927 |
| Fae Carlson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Salt Lake, …
Son, age 17
Salt Lake, Utah · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Denmark |
| Occupation | Messenger |
| Industry | Telegraph Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Head, age 25
Salt Lake, Utah · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Denmark |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 32.00 |
| Radio Set | R |
| Veteran | No |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Head, age 37
Salt-Lake-County, Utah · implied b. ~1903 — 4 household members
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Clerk |
| Industry | Walker Bank |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2100 |
| Highest Grade | C-1 |
| 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 Oscar Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ida Carlson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ida Carlson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Head · 1940 · age 37 · b. ~1903 · Utah
★ 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 — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04223-00511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Jensen | 37 | Wife | — | Utah |
| 42 | Allen Jensen | 17 | Son | — | Utah |
| 43 | Glenn Jensen | 13 | Son | — | Utah |
| 44 | Edwin Reimann | 33 | Head | Manager | Indiana |
| 45 | Velma Reimann | 33 | Wife | — | Utah |
| 46 | Edwin Reimann | 3 | Son | — | Utah |
| 48 | Merlin Witmer | 36 | Head | Salesman | Iowa |
| 49 | Mary Witmer | 31 | Wife | — | Nebraska |
| 50 | Vernon Derrick | 36 | Head | Bookkeeper | New York |
| 51 | Minnie Derrick | 32 | Wife | — | New York |
| 52 | Douglas Derrick | 3 | Son | — | Utah |
| 53 | J. Webster Jones | 30 | Head | Clerk | Utah |
| 54 | Dorothy Jones | 28 | Wife | — | Utah |
| 55 | Jerold Jones | 2 | Son | — | Utah |
| 56 | Roald Hogenson | 27 | Head | Clerk | Utah |
| 57 | Gladys Hogenson | 28 | Wife | — | Utah |
| 58 | Glen B. Gorham | 37 | Head | Engineer | Iowa |
| 59 | Nanetta Gorham | 37 | Wife | — | Kansas |
| 60 | Irene Gorham | 10 | Daughter | — | Utah |
| 61 | A. Melvin Mc Donald | 31 | Head | Clerk | Utah |
| 62 | Lucile Mc Donald | 30 | Wife | — | Utah |
| 63 | Carolyn Mc Donald | 4 | Daughter | — | Utah |
| 64 | Robert Mc Donald | 1 | Son | — | Utah |
| 65 | Oscar Carlson THIS PERSON | 37 | Head | Clerk | Utah |
| 66 | Fae Carlson | 37 | Wife | — | Utah |
| 67 | Barbara Carlson | 14 | Daughter | — | Utah |
| 68 | Richard Carlson | 13 | Son | — | Utah |
| 69 | Robert Dotson | 30 | Head | Clerk | Utah |
| 70 | Evelyn Dotson | 20 | Wife | — | Utah |
| 71 | Sandra Dotson | 1 | Daughter | — | Utah |
| 72 | Vaugh Hunter | 34 | Head | Dentist | Utah |
| 73 | Alta Hunter | 33 | Wife | — | Utah |
| 74 | Robert Mc Master | 30 | Head | Clerk | Utah |
| 75 | Gayle Mc Master | 29 | Wife | — | Utah |
| 76 | Edward Hoggan | 35 | Head | Manager | Utah |
| 77 | Ruth Hoggan | 32 | Wife | — | Utah |
| 78 | Cheryl Hoggan | 8 | Son | — | Utah |
| 79 | Virginia Hoggan | 6 | Daughter | — | Utah |
| 80 | Lynn Sandra Hoggan | 4 | Daughter | — | Utah |
Pedigree Summary
Oscar
Gen 1 · 1 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)