ON
Oscar Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fillmore-County, Nebraska
Our Model Tree links this Oscar Nelson across the 1920, 1930 and 1940 US Censuses in Fillmore-County, Nebraska (XGBoost, ~Confirmed), with identified parents J & Tekla — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fillmore-County, Nebraska |
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Chelsea Township |
| 1935 Residence (County) | Fillmore |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Farmer |
| Township / Ward | Chelsea Township |
| Est. Birth Year | ~1902 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Oscar Nelson | Head | — | 38 | ~1902 |
| John Nelson | Son | — | 4 | ~1936 |
| Wilma Nelson | Spouse | — | 34 | ~1906 |
| Doris Christensen | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Fillmore, Nebraska
Son, age 17
Fillmore, Nebraska · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Fillmore, Nebraska
Head, age 28
Fillmore, Nebraska · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 27 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Fillmore-County, Nebraska
Head, age 38
Fillmore-County, Nebraska · implied b. ~1902 — 4 household members
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Chelsea Township |
| 1935 Residence (County) | Fillmore |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Oscar Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father J Nelson (~0.92 confidence) and mother Tekla Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
J Nelson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Tekla Nelson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Nelson
Head · 1940 · age 38 · b. ~1902 · Nebraska
★ 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 — Fillmore-County, Nebraska
Open full size
1940 US Federal Census — Fillmore-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02245-00907)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ronald Mc Donald | 37 | Head | Farmer | Nebraska |
| 2 | Pearl Mc Donald | 34 | Wife | — | Nebraska |
| 3 | Eldene Mc Donald | 5 | Daughter | — | Nebraska |
| 4 | Richard Mc Donald | 2 | Son | — | Nebraska |
| 5 | Clarence Nun | 36 | Head | Farmer | Nebraska |
| 6 | Florence Nun | 33 | Wife | — | Nebraska |
| 7 | Frank Uldrich | 30 | Head | Farmer | Nebraska |
| 8 | Wm Duce | 46 | Head | Farmer | Nebraska |
| 9 | Abbi Duce | 35 | Wife | — | Nebraska |
| 10 | Fred Duce | 21 | Son | Farm Labor | Nebraska |
| 11 | Vlasta Duce | 19 | Daughter | Teacher | Nebraska |
| 12 | Gladys Duce | 17 | Daughter | — | Nebraska |
| 13 | Milton Godlerick | 39 | Head | Farmer | Nebraska |
| 14 | Mayme Godlerick | 31 | Wife | — | Nebraska |
| 15 | Darlene Godlerick | 9 | Daughter | — | Nebraska |
| 16 | Clarence Mc Cartney | 60 | Head | Farmer | Nebraska |
| 17 | Nellie Mc Cartney | 60 | Wife | — | Nebraska |
| 18 | Frank Votipka | 41 | Head | Farmer | Nebraska |
| 19 | Pauline Votipka | 42 | Wife | — | Nebraska |
| 20 | Rueben Votipka | 14 | Son | — | Nebraska |
| 21 | Charles Sluka | 45 | Head | Farmer | Nebraska |
| 22 | Rose Sluka | 46 | Wife | — | Nebraska |
| 23 | Ann Sluka | 22 | Daughter | Teacher | Nebraska |
| 24 | Fred Fox | 49 | Head | Farmer | Nebraska |
| 25 | Alma Fox | 43 | Wife | — | Nebraska |
| 26 | Lawrence Staffen | 18 | Helper | Farm Labor | Nebraska |
| 27 | Melvin Bumchill | 28 | Head | Farmer | Nebraska |
| 28 | Bertha Bumchill | 29 | Wife | — | Nebraska |
| 29 | Bernard Bumchill | 5 | Son | — | Nebraska |
| 30 | Frank Simacek | 32 | Head | Farmer | Nebraska |
| 31 | Marie Simacek | 30 | Wife | — | Nebraska |
| 32 | Edward Sluka | 25 | Head | Farmer | Nebraska |
| 33 | Mildred Sluka | 25 | Wife | — | Nebraska |
| 34 | Edward Sr Sluka | 60 | Head | Farmer | Nebraska |
| 35 | Mary Sluka | 54 | Wife | — | Czechoslovakia |
| 36 | Rose Sluka | 30 | Daughter | — | Nebraska |
| 37 | Oscar Nelson THIS PERSON | 38 | Head | Farmer | Nebraska |
| 38 | Wilma Nelson | 34 | Wife | — | Nebraska |
| 39 | John Nelson | 4 | Son | — | Nebraska |
| 40 | Doris Christensen | 25 | Wife | — | Nebraska |
Pedigree Summary
Oscar
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)