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Carl Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, Oregon
Our Model Tree links this Carl Nelson across the 1920, 1930 and 1940 US Censuses in Union-County, Oregon (XGBoost, ~Confirmed), with identified parents Nels & Nels — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Oregon |
| Surname | Nelson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Elgin city |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farmer |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 20 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Farm Laborer |
| Township / Ward | Elgin City |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Nels Nelson | Head | — | 52 | ~1888 |
| Carl Nelson | Son | — | 23 | ~1917 |
| Franklin Nelson | Son | — | 15 | ~1925 |
| Ernest Nelson | Son | — | 21 | ~1919 |
| Ethel Nelson | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Union, Oregon
Son, age 2
Union, Oregon · implied b. ~1918 — 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 | Oregon |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Idaho |
| Occupation | none |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Union, Oregon
Son, age 13
Union, Oregon · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Idaho |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Union-County, Oregon
Son, age 23
Union-County, Oregon · implied b. ~1917 — 5 household members
| Surname | Nelson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Elgin city |
| 1935 Residence (County) | Union |
| Occupation | Farm Laborer |
| Industry | Farmer |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 20 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Nelson (~0.92 confidence) and father Nels Nelson (~0.92 confidence) and father Nels Nelson (~0.92 confidence) and mother Ethel Nelson (~0.92 confidence) and mother Ethel Nelson (~0.92 confidence) and mother Ethel Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Nelson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Nels Nelson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Nels Nelson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Ethel Nelson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Ethel Nelson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Ethel Nelson
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Nelson
Son · 1940 · age 23 · b. ~1917 · Oregon
★ You are viewing this record
Sibling
Franklin Nelson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Nelson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Union-County, Oregon
Open full size
1940 US Federal Census — Union-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03381-00065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eugene E. Hug | 27 | Head | Mill Worker | Oregon |
| 42 | Opal M. Hug | 25 | Wife | — | Oregon |
| 43 | William Hug | 8 | Son | — | Oregon |
| 44 | Lawrence Blumenstein | 38 | Head | Mill Laborer | Oregon |
| 45 | Elsie Blumenstein | 34 | Wife | — | Oregon |
| 46 | Patricia Blumenstein | 13 | Daughter | — | Oregon |
| 47 | T. W. Nock | 52 | Head | Mill Foreman | New York |
| 48 | Betty Nock | 22 | Daughter | Saleswoman | Oregon |
| 49 | George Nock | 21 | Son | Milk Laborer | Oregon |
| 50 | Billy Nock | 16 | Son | — | Oregon |
| 51 | Earl Van Blokland | 42 | Head | Manager | Oregon |
| 52 | Ethel Van Blokland | 35 | Wife | — | Washington |
| 53 | Helen Van Blokland | 15 | Daughter | — | Oregon |
| 54 | O. V. Churchill | 28 | Head | Mill Laborer | Oregon |
| 55 | Hazel Churchill | 26 | Wife | — | Oregon |
| 56 | Dolores Churchill | 4 | Daughter | — | Oregon |
| 57 | A. S. Lancaster | 45 | Head | Forest Ranger | Washington |
| 58 | Martha Lancaster | 29 | Wife | — | Oregon |
| 59 | Marion Lancaster | 8 | Son | — | Oregon |
| 60 | Albert Lancaster | 4 | Son | — | Oregon |
| 61 | James W. Brown | 76 | Head | — | New York |
| 62 | Jessie Brown | 63 | Wife | — | Kansas |
| 63 | William Wade | 74 | Head | Insurance Agent | Oregon |
| 64 | Mertie Wade | 60 | Wife | — | Iowa |
| 65 | Harold Hough | 38 | Step-son | Farm Laborer | Oregon |
| 66 | Frank Overt | 30 | Head | Mill Laborer | Oregon |
| 67 | Blanche Overt | 23 | Wife | — | Oregon |
| 68 | Charles Pearson | 69 | Head | Laborer | Illinois |
| 69 | Nels L. Nelson | 52 | Head | Farmer | Denmark |
| 70 | Ethel Nelson | 49 | Wife | — | Idaho |
| 71 | Carl Nelson THIS PERSON | 23 | Son | Farm Laborer | Oregon |
| 72 | Ernest Nelson | 21 | Son | Farm Laborer | Oregon |
| 73 | Franklin Nelson | 15 | Son | — | Oregon |
| 74 | Margaret Hazelwood | 85 | Head | — | England |
| 75 | Stella Witty | 60 | Daughter | Housekeeper | Missouri |
| 76 | Victor Wicklander | 30 | Head | Adult Teacher | Michigan |
| 77 | Blanche Wicklander | 28 | Wife | — | Oregon |
| 78 | Patricia Sproul | 5 | Daughter | — | Oregon |
| 79 | Victor Wicklander | 3 | Son | — | Oregon |
| 80 | Chas. R. Wicklander | 1 | Son | — | Oregon |
Related Census Records
Pedigree Summary
Carl + 2 siblings
Gen 1 · 6 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)