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Oscar Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wyandotte-County, Kansas
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Wyandotte-County, Kansas (XGBoost, ~Confirmed), with identified parents George & Ella — first a son (b.~1915), then head of a 2-person household.
Age 25
b. ~1915
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wyandotte-County, Kansas |
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City, City |
| 1935 Residence (County) | Wyandotte |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Ice Cream Co |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 420 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Truck Driver |
| Township / Ward | Kansas City City |
| Est. Birth Year | ~1915 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Ella Carlson | Head | — | 62 | ~1878 |
| Oscar Carlson | Son | — | 25 | ~1915 |
Census Appearances
1920
Jackson, Missouri
Son, age 4
Jackson, Missouri · implied b. ~1916 — 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 | 4 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Wyandotte, Kansas
Son, age 14
Wyandotte, Kansas · implied b. ~1916 — 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 | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Wyandotte-County, Kansas
Son, age 25
Wyandotte-County, Kansas · implied b. ~1915 — 2 household members
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City, City |
| 1935 Residence (County) | Wyandotte |
| Occupation | Truck Driver |
| Industry | Ice Cream Co |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 420 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| 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 3 locations, using XGBoost record linkage. Identified parents: father George Carlson (~0.92 confidence) and mother Ella Carlson (~0.92 confidence) and mother Ella Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Carlson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Ella Carlson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Ella Carlson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Son · 1940 · age 25 · b. ~1915 · 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 — Wyandotte-County, Kansas
Open full size
1940 US Federal Census — Wyandotte-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01269-00133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Williams | 28 | Head | Maid | Kansas |
| 2 | Bell Williams | 68 | Mother | Housework | Missouri |
| 3 | Mary Bruce | 40 | Lodger | Clerk | Missouri |
| 4 | Doris Randolf | 15 | Lodger | — | Missouri |
| 5 | Robert Perry | 57 | Head | — | Arkansas |
| 6 | Stella Perry | 46 | Wife | Housework | Arkansas |
| 7 | Benjamin Grinder | 51 | Head | Stonemason | Tennessee |
| 8 | Ethel Grinder | 43 | Wife | Housework | Oklahoma |
| 9 | Madlin Grinder | 13 | Daughter | — | Kansas |
| 10 | Frank Harman | 37 | Head | Tractor Operator | Kansas |
| 11 | Thelma Harman | 31 | Wife | Housework | Kansas |
| 12 | Frank H. Harman | 6 | Son | — | Kansas |
| 13 | George V. Harman | 5 | Son | — | Kansas |
| 14 | Richard D. Harman | 4 | Son | — | Kansas |
| 15 | Zemoria Johnson | 52 | Head | Housework | Mississippi |
| 16 | Evelyn Johnson | 31 | Daughter | Cook | Mississippi |
| 17 | John D. Roberson | 28 | Head | Truck Driver | Oklahoma |
| 18 | Catherine Roberson | 26 | Wife | Housework | Kansas |
| 19 | John D. Jr. Roberson | 2 | Son | — | Kansas |
| 20 | James Mclaurian | 45 | Head | Laborer | Arkansas |
| 21 | Florence Mclaurian | 43 | Wife | Housework | Kansas |
| 22 | Luther Hall | 56 | Brother | — | Missouri |
| 23 | George King | 56 | Head | Laborer | Missouri |
| 24 | Henrietta King | 56 | Wife | Housework | Kansas |
| 25 | Helen King | 24 | Daughter | Housework | Kansas |
| 26 | Florabelle King | 22 | Daughter | Housework | Kansas |
| 27 | Corine King | 18 | Daughter | — | Kansas |
| 28 | Nadine King | 15 | Daughter | — | Kansas |
| 29 | Elmer Frye | 52 | Head | Laborer | Kansas |
| 30 | Cora Frye | 58 | Wife | Housework | Indiana |
| 31 | Mildred Hassie | 33 | Head | Recreation | Kansas |
| 32 | Virginia Kimbrough | 59 | Mother | Sewing Room | Kansas |
| 33 | Jewell Fitzpatrick | 29 | Head | Skill Labor | Arkansas |
| 34 | Theola Fitzpatrick | 25 | Wife | Housework | Oklahoma |
| 35 | Bettie Jean Fitzpatrick | 7 | Daughter | — | Kansas |
| 36 | Earl Fitzpatrick | 5 | Son | — | Kansas |
| 37 | Charles M. Russ | 40 | Head | Laborer | Missouri |
| 38 | Anna M. Russ | 39 | Wife | Housework | Kansas |
| 39 | Ella Carlson | 62 | Head | Housework | Sweden |
| 40 | Oscar Carlson THIS PERSON | 25 | Son | Truck Driver | Kansas |
Pedigree Summary
Oscar
Gen 1 · 3 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)