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Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carbon-County, Utah
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Carbon-County, Utah (XGBoost, ~Confirmed), with identified parents Nellie & Oscar — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Carbon-County, Utah |
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Price |
| 1935 Residence (County) | Carbon |
| Additional Details | |
| Occupation | Manager |
| Industry | general store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2225 |
| Highest Grade | Hs 4 |
| 1935 Residence | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Manager |
| Township / Ward | Hiawatha Town |
| Est. Birth Year | ~1914 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Rosa Carlson | Spouse | — | 23 | ~1917 |
| Oscar Carlson | Head | — | 26 | ~1914 |
| Peiene Carlson | Son | — | 4 | ~1936 |
Census Appearances
1920
Carbon, Utah
Son, age 5
Carbon, Utah · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Carbon, Utah
Son, age 16
Carbon, Utah · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Carbon-County, Utah
Head, age 26
Carbon-County, Utah · implied b. ~1914 — 3 household members
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Price |
| 1935 Residence (County) | Carbon |
| Occupation | Manager |
| Industry | general store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2225 |
| Highest Grade | Hs 4 |
| 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 Oscar Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nellie Carlson (~0.92 confidence) and father Oscar Carlson (~0.92 confidence) and father Oscar Carlson (~0.92 confidence) and mother Hulda Carlson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nellie Carlson
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Oscar Carlson
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Oscar Carlson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Hulda Carlson
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Head · 1940 · age 26 · b. ~1914 · 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 — Carbon-County, Utah
Open full size
1940 US Federal Census — Carbon-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04211-00493)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter Monsen | 61 | Head | Cleaning Coal | Utah |
| 2 | Fannie Monsen | 59 | Wife | — | Utah |
| 3 | J Herald Monsen | 25 | Son | Manager | Utah |
| 4 | Leo Monsen | 23 | Son | Cleaning Coal | Utah |
| 5 | Vera G Monsen | 19 | Daughter | — | Utah |
| 6 | Verna J Monsen | 19 | Daughter | Saleswoman | Utah |
| 7 | Fred Thompson | 54 | Head | Wireman | Denmark |
| 8 | Laverne Thompson | 46 | Wife | — | Utah |
| 9 | Don Thompson | 25 | Son | Mine Clerk | Utah |
| 10 | Ralph Thompson | 19 | Son | Deliveryman | Utah |
| 11 | Elmer Petty | 57 | Head | Deliveryman | Utah |
| 12 | Lois Petty | 49 | Wife | — | Utah |
| 13 | Ellis Petty | 19 | Son | Cleaning Coal | Utah |
| 14 | Boyd Petty | 18 | Son | — | Utah |
| 15 | Richard Hampshire | 37 | Head | Caretaker | Utah |
| 16 | Neta Hampshire | 38 | Wife | — | Utah |
| 17 | Richard Jr Hampshire | 14 | Son | — | Utah |
| 18 | Elaine Hampshire | 4 | Daughter | — | Utah |
| 19 | Walter Bouck | 55 | Head | Blacksmith | Utah |
| 20 | Elvid Bouck | 51 | Wife | — | Utah |
| 21 | Ewell Bowen | 52 | Head | Postmaster | Missouri |
| 22 | Velda Bowen | 48 | Wife | Bookkeeper | Iowa |
| 23 | Oscar Carlson THIS PERSON | 26 | Head | Manager | Utah |
| 24 | Rosa Carlson | 23 | Wife | — | Utah |
| 25 | Peiene Carlson | 4 | Son | — | Utah |
| 26 | Merritt Brady | 67 | Head | Scaleman | Kansas |
| 27 | Emilie Brady | 67 | Wife | — | Germany |
| 28 | Joseph Parmely | 45 | Head | Electrician Foreman | Utah |
| 29 | Lucile Parmely | 37 | Wife | — | Utah |
| 30 | Mary Ellen Parmely | 7 | Daughter | — | Utah |
| 31 | Alice Parmely | 4 | Daughter | — | Utah |
| 32 | Paul H Parmely | 2 | Son | — | Utah |
| 33 | Virginia Parmely | 0 | Daughter | — | Utah |
| 34 | James Reese | 28 | Head | Billing Clerk | Montana |
| 35 | Alma Reese | 25 | Wife | — | Utah |
| 36 | Valene Reese | 7 | Daughter | — | Utah |
| 37 | Frank E Gleason | 49 | Head | General Master Mechanic | Montana |
| 38 | Grace Gleason | 48 | Wife | — | New York |
| 39 | Nadine Gleason | 22 | Daughter | School Teacher | Iowa |
| 40 | Mildred Gleason | 17 | Daughter | — | Montana |
Pedigree Summary
Oscar
Gen 1 · 4 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)