OC
Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cowley-County, Kansas
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Cowley-County, Kansas (XGBoost, ~Confirmed), with identified parents David & David — first a head (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cowley-County, Kansas |
| Surname | Carlson |
| Given Name | Oscar P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Mulvane |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farmer |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 866 |
| Highest Grade | H 4 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | Udall |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Eunice Carlson | Spouse | — | 20 | ~1920 |
| Oscar Carlson | Head | — | 24 | ~1916 |
| Robert Carlson | Son | — | 1 | ~1939 |
| Margaret Carlson | Daughter | — | 2 | ~1938 |
Census Appearances
1920
Cowley, Kansas
Son, age 2
Cowley, Kansas · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Cowley, Kansas
Son, age 13
Cowley, Kansas · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Cowley-County, Kansas
Head, age 24
Cowley-County, Kansas · implied b. ~1916 — 4 household members
| Surname | Carlson |
| Given Name | Oscar P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Mulvane |
| Occupation | Laborer |
| Industry | Farmer |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 866 |
| Highest Grade | H 4 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 David Carlson (~0.92 confidence) and father David Carlson (~0.92 confidence) and mother Olga Carlson (~0.92 confidence) and mother Lucy Carlson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Carlson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
David Carlson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Olga Carlson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Lucy Carlson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Head · 1940 · age 24 · b. ~1916 · Kansas
★ 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 — Cowley-County, Kansas
Open full size
1940 US Federal Census — Cowley-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01226-00581)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hosea B Haney | 60 | Head | Proprietor | Illinois |
| 42 | Estella A Haney | 61 | Wife | Partner | New York |
| 43 | Anna O Carlson | 58 | Head | — | Sweden |
| 44 | Carl G Carlson | 26 | Son | Messenger | Kansas |
| 45 | Arthur Carlson | 25 | Son | Attendant | Kansas |
| 46 | Edward Carlson | 19 | Son | — | Kansas |
| 47 | Gordon G Ferris | 30 | Head | Truck Driver | Kansas |
| 48 | A Faye Ferris | 26 | Wife | — | Kansas |
| 49 | Calvadene L Ferris | 8 | Daughter | — | Kansas |
| 50 | Ralph G Ferris | 5 | Son | — | Kansas |
| 51 | Darrell C Ferris | 2 | Son | — | Kansas |
| 52 | Oscar P Carlson THIS PERSON | 24 | Head | Laborer | Kansas |
| 53 | Eunice L Carlson | 20 | Wife | — | Kansas |
| 54 | Margaret L Carlson | 2 | Daughter | — | Kansas |
| 55 | Robert P Carlson | 1 | Son | — | Kansas |
| 56 | Guy Satterthwaite | 64 | Head | Real Estate | Kentucky |
| 57 | Lydia J Satterthwaite | 59 | Wife | — | Kansas |
| 58 | Tolbert L Gilbert | 44 | Head | Pumper | Mississippi |
| 59 | Elvie Gilbert | 41 | Wife | — | Oklahoma |
| 60 | Tolbert Jr Gilbert | 16 | Son | Janitor | Oklahoma |
| 61 | Dudley A Gilbert | 11 | Son | — | Oklahoma |
| 62 | Oscar V Beaver | 57 | Head | Driller | Kansas |
| 63 | Lulu M Beaver | 63 | Wife | — | Illinois |
| 64 | Lute Taylor | 74 | Head | — | Illinois |
| 65 | James A Rivers | 61 | Head | Laborer | Indiana |
| 66 | Mary E Rivers | 59 | Wife | — | Missouri |
| 67 | Eula M Rivers | 16 | Daughter | — | Kansas |
| 68 | Santiago Canchola | 30 | Head | Section Laborer | Mexico |
| 69 | John Corleat | 25 | Lodger | Section Laborer | Mexico |
| 70 | Joseph R Adams | 58 | Head | Doctor | Indiana |
| 71 | M Ella Adams | 58 | Wife | — | Kansas |
| 72 | Charles F Miller | 50 | Head | Stone Dresser | Kansas |
| 73 | Vesta Z Miller | 44 | Wife | — | Nebraska |
| 74 | Mary Alice Miller | 13 | Daughter | — | Kansas |
| 75 | Boyd C Miller | 10 | Son | — | Kansas |
| 76 | Fred E Miller | 7 | Son | — | Kansas |
| 77 | Mary Jane Thompson | 80 | Mother | — | Indiana |
| 78 | H Leslie Walck | 28 | Head | Laborer | Kansas |
| 79 | Merle E Walck | 8 | Son | — | Kansas |
| 80 | Dorothy Walck | 5 | Daughter | — | Kansas |
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)