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Carl Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bent-County, Colorado
Our Model Tree links this Carl Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Bent-County, Colorado (XGBoost, ~Confirmed), with identified parents Erick & Enoch — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bent-County, Colorado |
| Surname | Nelson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Bent |
| 1935 Residence (County) | Bent |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | First National Bank |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1020 |
| Highest Grade | Hs 4 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Bookkeeper |
| Township / Ward | Las Animas City |
| Est. Birth Year | ~1908 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Carla Nelson | Daughter | — | 1 | ~1939 |
| Carl Nelson | Head | — | 32 | ~1908 |
| James Smith | Other | — | 70 | ~1870 |
| Anna Nelson | Spouse | — | 34 | ~1906 |
Census Appearances
1910
Bent, Colorado
Son, age 2
Bent, Colorado · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Swed. Swedish |
| Mother's Birthplace | Swed. Swedish |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Bent, Colorado
Son, age 11
Bent, Colorado · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Bent, Colorado
Son, age 22
Bent, Colorado · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Carl A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Bent-County, Colorado
Head, age 32
Bent-County, Colorado · implied b. ~1908 — 4 household members
| Surname | Nelson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Bent |
| 1935 Residence (County) | Bent |
| Occupation | Bookkeeper |
| Industry | First National Bank |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1020 |
| Highest Grade | Hs 4 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Carl Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Erick Nelson (~0.92 confidence) and father Enoch Nelson (~0.92 confidence) and father G Nelson (~0.92 confidence) and mother Anna Nelson (~0.92 confidence) and mother Anna Nelson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Erick Nelson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Enoch Nelson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
G Nelson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Anna Nelson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Anna Nelson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Nelson
Head · 1940 · age 32 · b. ~1908 · Colorado
★ 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 — Bent-County, Colorado
Open full size
1940 US Federal Census — Bent-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00456-00564)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ray E. Wurthley | 54 | Head | Postal Clerk | Missouri |
| 2 | Florence B. Wurthley | 50 | Wife | — | Minnesota |
| 3 | Mary Elizabeth Wurthley | 16 | Daughter | — | Colorado |
| 4 | Fred W. Slough | 56 | Head | Farming | Indiana |
| 5 | Inez V. Slough | 53 | Wife | Florist | Kansas |
| 6 | Walter Blake Slough | 22 | Son | New Worker | Kansas |
| 7 | Bula Ruth Slough | 18 | Daughter | — | Colorado |
| 8 | Edna Louise Slough | 15 | Daughter | — | Colorado |
| 9 | Oral E. Shafer | 29 | Head | Mechanic | Arkansas |
| 10 | Ynetta E. Shafer | 25 | Wife | — | Illinois |
| 11 | Keith E. Shafer | 3 | Son | — | Colorado |
| 12 | Coy M. Shafer | 1 | Daughter | — | Colorado |
| 13 | Ernest V. Britton | 19 | Brother-in-law | Trucking | Colorado |
| 14 | Elzara Britton | 14 | Sister-in-law | — | Kansas |
| 15 | Ernest J. Jones | 27 | Head | Personal Clerk | Missouri |
| 16 | Virginia G. Jones | 29 | Wife | — | Oklahoma |
| 17 | Bonita Crow | 24 | Lodger | Stenographer | Kansas |
| 18 | Augusta L. Coburn | 38 | Lodger | Bookkeeper | Oklahoma |
| 19 | Carl A. Nelson THIS PERSON | 32 | Head | Bookkeeper | Colorado |
| 20 | Anna W. Nelson | 34 | Wife | — | Colorado |
| 21 | Carla Ann Nelson | 1 | Daughter | — | Colorado |
| 22 | James M. Smith | 70 | Father-in-law | — | Colorado |
| 23 | Miguel Etchart | 72 | Head | Bee Keeper | France |
| 24 | Laura Q. Etchart | 63 | Wife | — | Spain |
| 25 | John J. Etchart | 32 | Son | Stockman | Colorado |
| 26 | Michael J. Etchart | 28 | Nephew | Salesman | Colorado |
| 27 | William F. Lewis | 56 | Head | Janitor | Missouri |
| 28 | Fern A. Lewis | 37 | Wife | — | Missouri |
| 29 | Nina A. Lewis | 15 | Daughter | — | Colorado |
| 30 | J. Ethel Lewis | 14 | Daughter | — | Colorado |
| 31 | Walter W. Runaldst | 30 | Head | Chief Draftsman | Missouri |
| 32 | Mary Ann Runaldst | 27 | Wife | — | Michigan |
| 33 | Deanna J. Runaldst | 2 | Daughter | — | New Mexico |
| 34 | Bridget B. Cody | 76 | Head | — | Kansas |
| 35 | Kathlyn E. Jones | 27 | Head | Stenographer | Missouri |
| 36 | Nellie B. Carriken | 63 | Head | — | Missouri |
| 37 | Maxine Trujillo | 42 | Head | — | New Mexico |
| 38 | Rose Trujillo | 18 | Daughter | — | New Mexico |
| 39 | Lucy Ann Trujillo | 0 | Daughter | — | Colorado |
| 40 | Edith Cook | 45 | Head | Housekeeper | Missouri |
Pedigree Summary
Carl
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)