OC
Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Yuma-County, Colorado
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Yuma-County, Colorado (XGBoost, ~Confirmed), with identified parents Carlson & Mrs — first a son (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Yuma-County, Colorado |
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct No. 9, Armel |
| 1935 Residence (County) | Yuma |
| Additional Details | |
| Occupation | Farm Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farm Operator |
| Township / Ward | Election Precinct No 9 Armel |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Ross Carlson | Son | — | 41 | ~1899 |
| Mrs Carlson | Head | — | 72 | ~1868 |
| Oscar Carlson | Son | — | 38 | ~1902 |
| Esther Carlson | Daughter | — | 44 | ~1896 |
Census Appearances
1920
Yuma, Colorado
Other, age 18
Yuma, Colorado · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar C. |
| Relationship to Head | brother |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Nebraska |
| Occupation | laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Yuma, Colorado
Son, age 28
Yuma, Colorado · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Nebraska |
| Occupation | Farmer |
| Industry | Farm |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Yuma-County, Colorado
Son, age 38
Yuma-County, Colorado · implied b. ~1902 — 4 household members
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct No. 9, Armel |
| 1935 Residence (County) | Yuma |
| Occupation | Farm Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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: father Carlson Munson (~0.92 confidence) and mother Mrs Carlson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carlson Munson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Mrs Carlson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Son · 1940 · age 38 · b. ~1902 · Colorado
★ You are viewing this record
Sibling
Esther Carlson
Sibling · 1940 · age 44
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ross Carlson
Sibling · 1940 · age 41
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 — Yuma-County, Colorado
Open full size
1940 US Federal Census — Yuma-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00483-00258)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Ann Kirkland | 7 | Daughter | — | Colorado |
| 42 | Robert E. Kirkland | 50 | Head | Farm Operator | Colorado |
| 43 | Emma Kirkland | 39 | Wife | House Wife | Kansas |
| 44 | Charles L. Kirkland | 14 | Son | Farm Helper | Kansas |
| 45 | Eunice M. Kirkland | 11 | Daughter | — | Kansas |
| 46 | E. Roberta Kirkland | 9 | Daughter | — | Colorado |
| 47 | Mabel June Kirkland | 5 | Daughter | — | Colorado |
| 48 | Robert E. Kirkland | 4 | Son | — | Colorado |
| 49 | Gale Rogers | 28 | Head | Farm Operator | Colorado |
| 50 | Ora Rogers | 27 | Wife | House Wife | Colorado |
| 51 | Jean Rogers | 7 | Daughter | — | Colorado |
| 52 | Kenneth Rogers | 6 | Son | — | Colorado |
| 53 | Jimmie Rogers | 2 | Son | — | Colorado |
| 54 | Elmer V. Schuricht | 30 | Head | Farm Operator | Kansas |
| 55 | Erma Schuricht | 29 | Wife | House Wife | Nebraska |
| 56 | Jerry Schuricht | 7 | Son | — | Colorado |
| 57 | Stanley Schuricht | 2 | Son | — | Colorado |
| 58 | August Abraham | 37 | Head | Farm Operator | Colorado |
| 59 | Verla Abraham | 31 | Wife | House Wife | Missouri |
| 60 | Alice Abraham | 10 | Daughter | — | Colorado |
| 61 | Mrs. Minnie Carlson | 72 | Head | — | Nebraska |
| 62 | Ross Carlson | 41 | Son | Farm Operator | Colorado |
| 63 | Oscar Carlson THIS PERSON | 38 | Son | Farm Operator | Colorado |
| 64 | Esther Carlson | 44 | Daughter | House Keeper | Colorado |
| 65 | Frank W. Breninger | 49 | Head | Farm Operator | Colorado |
| 66 | Ruth Breninger | 41 | Wife | House Wife | Kansas |
| 67 | Evelyn Betty Breninger | 23 | Daughter | Cooking & Housekeeping | Colorado |
| 68 | Lois Geraldine Breninger | 18 | Daughter | House Keeper | Colorado |
| 69 | Mabel Louise Breninger | 16 | Daughter | House Keeper | Colorado |
| 70 | Clelon Wallace Breninger | 12 | Son | — | Colorado |
| 71 | Betty Lou Breninger | 11 | Daughter | — | Colorado |
| 72 | Francis M. Piper | 30 | Head | Farm Operator | Nebraska |
| 73 | Emma Piper | 28 | Wife | Teacher | Kansas |
| 74 | Gottlieb Kamla | 40 | Head | Farm Operator | Kansas |
| 75 | Matilda Kamla | 37 | Wife | House Wife | Russia |
| 76 | J. E. Rogers | 60 | Head | Farm Operator | Indiana |
| 77 | Stella M. Rogers | 60 | Wife | House Wife | Missouri |
| 78 | George Rogers | 23 | Son | Farm Laborer | Colorado |
| 79 | Shirley Rogers | 17 | Daughter | House Keeper | Nebraska |
| 80 | Herman Lindgren | 60 | Head | House Keeper | Nebraska |
Related Census Records
Pedigree Summary
Oscar + 2 siblings
Gen 1 · 2 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)