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Clarence Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Kansas
Our Model Tree links this Clarence Nelson across the 1920, 1930 and 1940 US Censuses in Washington-County, Kansas (XGBoost, ~Confirmed), with identified parents Anna & Henry — first a head (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Kansas |
| Surname | Nelson |
| Given Name | Clarence R |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Brantford |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Brantford |
| Est. Birth Year | ~1903 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Nelson | Head | — | 37 | ~1903 |
| Duane Nelson | Son | — | 7 | ~1933 |
| Laura Nelson | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Washington, Kansas
Son, age 16
Washington, Kansas · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Farm labor |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Washington, Kansas
Head, age 27
Washington, Kansas · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 27 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Washington-County, Kansas
Head, age 37
Washington-County, Kansas · implied b. ~1903 — 3 household members
| Surname | Nelson |
| Given Name | Clarence R |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Brantford |
| 1935 Residence (County) | Washington |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Clarence Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Nelson (~0.92 confidence) and father Henry Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Nelson
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Henry Nelson
b. ~1872
Source father
● Household
· direct · ~0.92
This person
Anchor record
Clarence Nelson
Head · 1940 · age 37 · b. ~1903 · 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 — Washington-County, Kansas
Open full size
1940 US Federal Census — Washington-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01265-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carol Nelson | 13 | son | — | Kansas |
| 42 | Leona M Nelson | 4 | daughter | — | Kansas |
| 43 | August Peterson | 72 | head | Farmer | Sweden |
| 44 | Agda Peterson | 65 | wife | — | Sweden |
| 45 | Albert Carlson | 60 | head | Farmer | Kansas |
| 46 | Leonard Carlson | 24 | son | Farmer | Kansas |
| 47 | John Matson | 57 | head | Farmer | Finland |
| 48 | Alma Matson | 54 | wife | — | Sweden |
| 49 | Leonard Matson | 24 | son | Farmer | Colorado |
| 50 | Clarence R Nelson THIS PERSON | 37 | head | Farmer | Kansas |
| 51 | Laura Nelson | 32 | wife | — | Kansas |
| 52 | Duane Nelson | 7 | son | — | Kansas |
| 53 | Clarence M Burke | 43 | head | Farmer | Kansas |
| 54 | Delena Burke | 37 | wife | — | Kansas |
| 55 | Shirley Burke | 5 | daughter | — | Kansas |
| 56 | Leffert Rusco | 44 | head | Farmer | Kansas |
| 57 | Kathryn Rusco | 41 | wife | — | Kansas |
| 58 | Delbert Rusco | 12 | son | — | Kansas |
| 59 | Omar Rusco | 50 | head | Farmer | Kansas |
| 60 | May Rusco | 48 | wife | — | Kansas |
| 61 | Elliott Rusco | 77 | father | — | Ohio |
| 62 | Willard Hartman | 21 | hired man | New Worker | Kansas |
| 63 | Herman Hartman | 30 | head | Farmer | Kansas |
| 64 | Phillip Hendrickson | 52 | head | Farmer | Kansas |
| 65 | Hulda Hendrickson | 50 | wife | — | Kansas |
| 66 | Delbert Hendrickson | 25 | son | Laborer | Kansas |
| 67 | Della Hendrickson | 18 | daughter | — | Kansas |
| 68 | Everett Hendrickson | 12 | son | — | Kansas |
| 69 | Rosemarie Hendrickson | 10 | daughter | — | Kansas |
| 70 | Alvena Hendrickson | 7 | daughter | — | Kansas |
| 71 | Nick C Wurtz | 56 | head | Farmer | Kansas |
| 72 | Emma Wurtz | 56 | wife | — | Kansas |
| 73 | Marie B Wurtz | 24 | daughter | Teacher | Kansas |
| 74 | Geraldine Wurtz | 22 | daughter | Teacher | Kansas |
| 75 | Vernus Wurtz | 11 | daughter | — | Kansas |
| 76 | Herman Wurtz | 18 | son | — | Kansas |
| 77 | Roy Peterson | 31 | head | Farmer | California |
| 78 | Minnie Peterson | 28 | wife | — | Iowa |
| 79 | Erwin Vonheke | 31 | head | Farmer | Kansas |
| 80 | Hilda Vonheke | 28 | wife | — | Kansas |
Pedigree Summary
Clarence
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)