JC
John Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Comanche-County, Oklahoma
Our Model Tree links this John Carlson across the 1920, 1930 and 1940 US Censuses in Comanche-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Edward & Ida — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Comanche-County, Oklahoma |
| Surname | Carlson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Zella Township |
| 1935 Residence (County) | Comanche |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 68 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Farming |
| Township / Ward | Zella Township |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Wanda Carlson | Daughter | — | 4 | ~1936 |
| Wilma Carlson | Daughter | — | 3 | ~1937 |
| John Carlson | Head | — | 25 | ~1915 |
| Leona Carlson | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Comanche, Oklahoma
Son, age 5
Comanche, Oklahoma · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Comanche, Oklahoma
Son, age 15
Comanche, Oklahoma · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Karlson |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Comanche-County, Oklahoma
Head, age 25
Comanche-County, Oklahoma · implied b. ~1915 — 4 household members
| Surname | Carlson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Zella Township |
| 1935 Residence (County) | Comanche |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 68 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 John Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Carlson (~0.92 confidence) and mother Ida Carlson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Carlson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ida Carlson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Carlson
Head · 1940 · age 25 · b. ~1915 · Oklahoma
★ 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 — Comanche-County, Oklahoma
Open full size
1940 US Federal Census — Comanche-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03286-00965)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick J. King | 58 | Head | Driller | West Virginia |
| 2 | Clara Bell King | 47 | Wife | — | Texas |
| 3 | George Ashcraft | 57 | Head | Driller & Producer | West Virginia |
| 4 | Lola L. Ashcraft | 40 | Wife | — | Oklahoma |
| 5 | L. Curtis Norton | 24 | Head | Farming | Oklahoma |
| 6 | Hazel Louise Norton | 21 | Wife | — | Oklahoma |
| 7 | Curtis Glenn Norton | 3 | Son | — | Oklahoma |
| 8 | Della Ella Norton | 1 | Daughter | — | Oklahoma |
| 9 | Oscar C. Jett | 42 | Head | Farming | Tennessee |
| 10 | Ethel M. Jett | 41 | Wife | — | Texas |
| 11 | Herbert Jett | 21 | Son | Farming | Oklahoma |
| 12 | Chester Jett | 18 | Son | Farming | Oklahoma |
| 13 | Raymond Jett | 14 | Son | Farming | Oklahoma |
| 14 | Lucile Fay Jett | 9 | Daughter | — | Oklahoma |
| 15 | Luqueta Jett | 3 | Daughter | — | Oklahoma |
| 16 | A. Ernest Choat | 52 | Head | Farming | Texas |
| 17 | Pearl Lee Choat | 52 | Wife | — | Texas |
| 18 | Artland Choat | 27 | Son | Farming | Oklahoma |
| 19 | Verna Lee Choat | 13 | Daughter | — | Oklahoma |
| 20 | Ray D. Choat | 8 | Son | — | Oklahoma |
| 21 | Ellsworth A. Dyster | 39 | Head | Farming | New York |
| 22 | Linda A. Dyster | 40 | Wife | Farm Wife | Texas |
| 23 | L. A. Dyster | 17 | Son | School Activities | Oklahoma |
| 24 | Leroy D. Dyster | 15 | Son | — | New Hampshire |
| 25 | Wilby W. Dyster | 13 | Son | — | Oklahoma |
| 26 | Bobbie Joan Dyster | 9 | Daughter | — | Oklahoma |
| 27 | Albuta May Dyster | 7 | Daughter | — | Oklahoma |
| 28 | Clem H. Ambrose | 48 | Head | Farming | Arkansas |
| 29 | Clemmie A. Ambrose | 55 | Wife | — | Arkansas |
| 30 | Robie Marie Ambrose | 23 | Daughter | — | Arkansas |
| 31 | Scott Aubrey Ambrose | 17 | Son | — | Oklahoma |
| 32 | Charley M. Ambrose | 14 | Son | — | Oklahoma |
| 33 | John E. Carlson THIS PERSON | 25 | Head | Farming | Oklahoma |
| 34 | Leona N. Carlson | 25 | Wife | — | Oklahoma |
| 35 | Wanda M. Carlson | 4 | Daughter | — | Oklahoma |
| 36 | Wilma F. Carlson | 3 | Daughter | — | Oklahoma |
| 37 | John Seibold | 34 | Head | Laborer | Germany |
| 38 | Mary J. Seibold | 34 | Wife | — | Illinois |
| 39 | John H. Seibold | 11 | Son | — | Oklahoma |
| 40 | George C. Seibold | 2 | Son | — | Oklahoma |
Pedigree Summary
John
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)