WT
Walter Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lyon-County, Kansas
Our Model Tree links this Walter Thomas across the 1920, 1930 and 1940 US Censuses in Lyon-County, Kansas (XGBoost, ~Confirmed), with identified parents John & Joel — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lyon-County, Kansas |
| Surname | Thomas |
| Given Name | Walter W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lyon |
| Additional Details | |
| Occupation | farm |
| Industry | farmer |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 500 |
| Highest Grade | 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farm |
| Township / Ward | Americus Township |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Walter Thomas | Head | — | 28 | ~1912 |
| Roy Thomas | Son | — | 22 | ~1918 |
| Louisa Thomas | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Lyon, Kansas
Son, age 9
Lyon, Kansas · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Walter V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Lyon, Kansas
Son, age 19
Lyon, Kansas · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kansas |
| Occupation | Laborer |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Lyon-County, Kansas
Head, age 28
Lyon-County, Kansas · implied b. ~1912 — 3 household members
| Surname | Thomas |
| Given Name | Walter W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lyon |
| Occupation | farm |
| Industry | farmer |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 500 |
| Highest Grade | 8 |
| 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 Walter Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Thomas (~0.92 confidence) and father Joel Thomas (~0.92 confidence) and mother Louisa Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Thomas
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Joel Thomas
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Louisa Thomas
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Thomas
Head · 1940 · age 28 · b. ~1912 · 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 — Lyon-County, Kansas
Open full size
1940 US Federal Census — Lyon-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01242-00050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marjorie R Becker | 16 | Daughter | — | Kansas |
| 42 | John R Fagan | 39 | Head | Laborer | Kansas |
| 43 | Pearl E Fagan | 42 | Wife | — | Kansas |
| 44 | Lloyd C Swenson | 37 | Head | Farmer | Kansas |
| 45 | Nellie S Swenson | 34 | Wife | — | Kansas |
| 46 | Nola M Swenson | 3 | Daughter | — | Kansas |
| 47 | Dan P Hagen | 28 | Head | Laborer | Kansas |
| 48 | Agnes R Hagen | 34 | Wife | — | Kansas |
| 49 | Walter W Thomas THIS PERSON | 28 | Head | Farm | Kansas |
| 50 | Louisa E Thomas | 64 | Wife | — | Indiana |
| 51 | Roy E Thomas | 22 | Son | Farm | Kansas |
| 52 | Herman G Harder | 58 | Head | Farm | Kansas |
| 53 | Esther S Harder | 47 | Wife | — | Virginia |
| 54 | Kelcie S Harder | 21 | Son | — | Kansas |
| 55 | Ivan O Harder | 16 | Son | — | Kansas |
| 56 | Percy J Harder | 13 | Son | — | Kansas |
| 57 | Harry E Hamilton | 55 | Head | Laborer | Kansas |
| 58 | Nettie M Hamilton | 40 | Wife | Housewife | Kansas |
| 59 | Mabel W Hamilton | 18 | Daughter | Housework | Kansas |
| 60 | Wilma D Hamilton | 14 | Daughter | — | Kansas |
| 61 | Chancy E Reaka | 23 | Head | Laborer | Kansas |
| 62 | Mary B Reaka | 22 | Wife | Housewife | Kansas |
| 63 | Robert E Reaka | 2 | Son | — | Kansas |
| 64 | Martin E Carpenter | 32 | Head | Laborer | Oklahoma |
| 65 | Mary J Carpenter | 29 | Wife | Housewife | Oklahoma |
| 66 | George C Carpenter | 6 | Son | — | Oklahoma |
| 67 | Donald E Carpenter | 4 | Son | — | Kansas |
| 68 | Earl C Carpenter | 2 | Son | — | Kansas |
| 69 | Lawrence H Carpenter | 0 | Son | — | Kansas |
| 70 | Ralph W Shellenberger | 49 | Head | Farm | Kansas |
| 71 | Lottie P Shellenberger | 37 | Wife | Housewife | Kansas |
| 72 | Cleo W Shellenberger | 18 | Son | — | Kansas |
| 73 | Billy Joe Shellenberger | 9 | Son | — | Kansas |
| 74 | Emma Smith | 76 | Mother-in-law | — | Kansas |
| 75 | Leon W Drummond | 51 | Head | Farm | Kansas |
| 76 | Myrtle Drummond | 47 | Wife | Housewife | Kansas |
| 77 | Elmer Adams | 38 | Head | Farm | Kansas |
| 78 | Elizabeth Adams | 54 | Wife | Housewife | Kansas |
| 79 | Margaret E Adams | 23 | Daughter | Teacher | Kansas |
| 80 | Lawrence J Murphy | 46 | Head | Farmer | Arkansas |
Pedigree Summary
Walter
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)