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Clarence Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Saline-County, Kansas
Our Model Tree links this Clarence Nelson across the 1920, 1930 and 1940 US Censuses in Saline-County, Kansas (XGBoost, ~Confirmed), with identified parents Nels & Christina — first a head (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Saline-County, Kansas |
| Surname | Nelson |
| Given Name | Clarence M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Ellsworth |
| 1935 Residence (County) | Ellsworth |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Washington Township |
| 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.
4 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 |
| Richard Nelson | Son | — | 11 | ~1929 |
| Edwin Nelson | Son | — | 7 | ~1933 |
| Helen Nelson | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Saline, Kansas
Son, age 18
Saline, Kansas · implied b. ~1902 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Saline, Kansas
Head, age 29
Saline, Kansas · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Saline-County, Kansas
Head, age 37
Saline-County, Kansas · implied b. ~1903 — 4 household members
| Surname | Nelson |
| Given Name | Clarence M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Ellsworth |
| 1935 Residence (County) | Ellsworth |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 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 Clarence Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Nelson (~0.92 confidence) and mother Christina Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Nelson
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Christina Nelson
b. ~1870
Source mother
● 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 — Saline-County, Kansas
Open full size
1940 US Federal Census — Saline-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01257-01236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence M. Nelson THIS PERSON | 37 | Head | Farmer | Kansas |
| 42 | Helen Nelson | 33 | Wife | — | Kansas |
| 43 | Richard Nelson | 11 | Son | — | Kansas |
| 44 | Edwin Nelson | 7 | Son | — | Kansas |
| 45 | Roy E. Palmquist | 45 | Head | Farmer | Kansas |
| 46 | Eben J. Palmquist | 48 | Brother | Farmer | Kansas |
| 47 | George E. Nelson | 48 | Head | Farmer | Kansas |
| 48 | Bertha M. Nelson | 39 | Wife | — | Kansas |
| 49 | Mellvin E. Swanson | 36 | Head | Farmer | Kansas |
| 50 | Victoria Swanson | 32 | Wife | — | Kansas |
| 51 | Sunshine Swanson | 4 | Daughter | — | Kansas |
| 52 | Emil T. Lindell | 58 | Head | Farmer | Kansas |
| 53 | Mabel A. Lindell | 53 | Sister | — | Kansas |
| 54 | Arthur V. Olson | 37 | Head | Farmer | Kansas |
| 55 | Myrtle N. Olson | 39 | Wife | — | Kansas |
| 56 | Eva Lee Stella Olson | 4 | Daughter | — | Missouri |
| 57 | Ivan D. Nelson | 27 | Head | Farmer | Kansas |
| 58 | Emma Nelson | 58 | Mother | — | Sweden |
| 59 | Luther H. Frost | 42 | Head | Farmer | Kansas |
| 60 | Ruby A. Frost | 37 | Wife | — | Kansas |
| 61 | Emery Frost | 13 | Son | — | Kansas |
| 62 | Marilyn Frost | 11 | Daughter | — | Kansas |
| 63 | Merle Irvin Frost | 10 | Son | — | Kansas |
| 64 | Alice Norquist | 26 | Lodger | — | Kansas |
| 65 | Gus Olson | 74 | Head | — | Sweden |
| 66 | Rhona S. Olson | 62 | Wife | — | Kansas |
| 67 | Stella Olson | 41 | Daughter | — | Kansas |
| 68 | Emanuel E. Anderson | 48 | Head | Farmer | Kansas |
| 69 | Naomi Anderson | 48 | Wife | — | Kansas |
| 70 | Harley E. Anderson | 18 | Son | Building Repair | Kansas |
| 71 | Leo E. Anderson | 15 | Son | Farm Laborer | Kansas |
| 72 | Paul G. Anderson | 13 | Son | — | Kansas |
| 73 | David Anderson | 11 | Son | — | Kansas |
| 74 | Arlene Anderson | 1 | Daughter | — | Kansas |
| 75 | Theodore A. Holmquist | 54 | Head | Farmer | Kansas |
| 76 | Ida Holmquist | 51 | Wife | — | Kansas |
| 77 | Raymond Holmquist | 28 | Son | Cashier | Kansas |
| 78 | Dorothy E. Holmquist | 26 | Daughter | Secretary | Kansas |
| 79 | Warren E. Swanson | 21 | Lodger | Farm Laborer | Kansas |
| 80 | Oscar W. Martinson | 57 | Head | Farming | 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)