KT
Kenneth Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sedgwick-County, Kansas
Our Model Tree links this Kenneth Thompson across the 1920, 1930 and 1940 US Censuses in Sedgwick-County, Kansas (XGBoost, ~Confirmed), with identified parents H & Herbert — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sedgwick-County, Kansas |
| Surname | Thompson |
| Given Name | Kenneth K |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Wichita City |
| Additional Details | |
| Occupation | Aircraft |
| Industry | PW |
| Highest Grade | H 4 |
| 1935 Residence | 40 |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Aircraft |
| Township / Ward | Wichita City |
| Est. Birth Year | ~1917 |
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 Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Grace Thompson | Spouse | — | 47 | ~1893 |
| H Thompson | Head | — | 48 | ~1892 |
| Kenneth Thompson | Son | — | 23 | ~1917 |
| Herbert Thompson | Son | — | 17 | ~1923 |
Census Appearances
1920
Sedgwick, Kansas
Son, age 3
Sedgwick, Kansas · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Kermit H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Sedgwick, Kansas
Son, age 13
Sedgwick, Kansas · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Kermit H |
| 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
Sedgwick-County, Kansas
Son, age 23
Sedgwick-County, Kansas · implied b. ~1917 — 4 household members
| Surname | Thompson |
| Given Name | Kenneth K |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Wichita City |
| Occupation | Aircraft |
| Industry | PW |
| Highest Grade | H 4 |
| 1935 Residence | 40 |
| 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 Kenneth Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father H Thompson (~0.92 confidence) and father Herbert Thompson (~0.92 confidence) and father Herschel Thompson (~0.92 confidence) and mother Grace Thompson (~0.92 confidence) and mother Grace Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
H Thompson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Herbert Thompson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Herschel Thompson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Grace Thompson
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Grace Thompson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Thompson
Son · 1940 · age 23 · b. ~1917 · Kansas
★ You are viewing this record
Sibling
Herbert Thompson
Sibling · 1940 · age 17
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 — Sedgwick-County, Kansas
Open full size
1940 US Federal Census — Sedgwick-County, Kansas
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-01271-00306)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard L West | 21 | Lodger | Sun-Craft | Kansas |
| 2 | James G Maines | 36 | Head | Labor | Sylvania |
| 3 | Mary G Maines | 37 | Wife | — | Kansas |
| 4 | Virginia Lee Maines | 9 | Daughter | — | Kansas |
| 5 | Maxine Maines | 7 | Daughter | — | Kansas |
| 6 | Evajane Maines | 6 | Daughter | — | Kansas |
| 7 | Naomi Joy Maines | 4 | Daughter | — | Kansas |
| 8 | William A Raymond Maines | 15 | Son | — | Kansas |
| 9 | Marvin Maines | 13 | Son | — | Kansas |
| 10 | Marguerite Maines | 10 | Daughter | — | Kansas |
| 11 | John Grasey | 34 | Lodger | General | Ohio |
| 12 | Vina D Knoflock | 46 | Head | — | Kansas |
| 13 | Gifford Knoflock | 23 | Son | Garage | Kansas |
| 14 | George Hartzell | 73 | Father | — | Indiana |
| 15 | Joe Herndon | 33 | Head | Garage | Kansas |
| 16 | Maxine Herndon | 35 | Wife | — | Oklahoma |
| 17 | Ann Herndon | 5 | Daughter | — | Oklahoma |
| 18 | Harold Hammell | 20 | Head | Aircraft | Kansas |
| 19 | Anna Louise Hammell | 21 | Wife | — | Missouri |
| 20 | Alice Chase | 53 | Head | School | Kansas |
| 21 | Winifred Chase | 53 | Sister | — | Kansas |
| 22 | Richard R Brooking | 42 | Head | Dairy | Illinois |
| 23 | Hazel Brooking | 39 | Wife | Telephone | Kansas |
| 24 | Rose Bell | 31 | Head | Filling Station | Oklahoma |
| 25 | Fern Bell | 33 | Wife | Health Clinic | Virginia |
| 26 | Alvin Mclane | 43 | Brother | Construction | Ohio |
| 27 | William N Hazelton | 63 | Head | Beverages | Kansas |
| 28 | Virginia Hazelton | 24 | Daughter | Finance | Kansas |
| 29 | Alice Tillotson | 31 | Lodger | — | Kansas |
| 30 | H. M. Thompson | 48 | Head | Machinery And Mach. | Kansas |
| 31 | Grace G Thompson | 47 | Wife | — | Kansas |
| 32 | Kenneth K Thompson THIS PERSON | 23 | Son | Aircraft | Kansas |
| 33 | Herbert C Thompson | 17 | Son | — | Kansas |
| 34 | W. N. Hazelton | 63 | Head | Beverages | Kansas |
| 35 | V. H. Hazelton | 24 | Daughter | — | Kansas |
Pedigree Summary
Kenneth + 1 sibling
Gen 1 · 5 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)