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Alfred Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lane-County, Oregon
Our Model Tree links this Alfred Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Lane-County, Oregon (XGBoost, ~Confirmed), with identified parents Jens & Niels — first a head (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lane-County, Oregon |
| Surname | Nelson |
| Given Name | Alfred A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lane |
| Additional Details | |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farmer |
| Township / Ward | Lancaster Prec |
| Est. Birth Year | ~1894 |
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 Alfred | Age | Birth yr |
|---|---|---|---|---|
| Alfred Nelson | Head | — | 46 | ~1894 |
| Frieda Nelson | Daughter | — | 5 | ~1935 |
| Verne Nelson | Son | — | 2 | ~1938 |
| Nina Nelson | Spouse | — | 35 | ~1905 |
Census Appearances
1910
Lane, Oregon
Son, age 16
Lane, Oregon · implied b. ~1894 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielson |
| Given Name | Alfred C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farm hand |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Lane, Oregon
Son, age 25
Lane, Oregon · implied b. ~1895 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielsen |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | Home farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Lane, Oregon
Other, age 36
Lane, Oregon · implied b. ~1894 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielsen |
| Given Name | Alfred |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Lane-County, Oregon
Head, age 46
Lane-County, Oregon · implied b. ~1894 — 4 household members
| Surname | Nelson |
| Given Name | Alfred A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lane |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Alfred Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jens Nielson (~0.92 confidence) and father Niels Nielsen (~0.92 confidence) and mother Christine Nielson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jens Nielson
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Niels Nielsen
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Christine Nielson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alfred Nelson
Head · 1940 · age 46 · b. ~1894 · Oregon
★ 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 — Lane-County, Oregon
Open full size
1940 US Federal Census — Lane-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03369-00258)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James F. Crow | 52 | Boarder | Farm Labor | Oregon |
| 42 | Alice Crow | 34 | daughter | — | Oregon |
| 43 | Lisbert Thomson | 38 | Boardman | Farm Labor | Kansas |
| 44 | Alfred A. Nelson THIS PERSON | 46 | Head | Farmer | Colorado |
| 45 | Nina C. Nelson | 35 | Wife | — | Oregon |
| 46 | Frieda C. Nelson | 5 | daughter | — | Oregon |
| 47 | Verne A. Nelson | 2 | son | — | Oregon |
| 48 | Raymond D. Kolb | 37 | Head | Farmer | Washington |
| 49 | Olive M. Kolb | 34 | Wife | — | Arkansas |
| 50 | June O. Kolb | 12 | daughter | — | Washington |
| 51 | Beatris P. Kolb | 8 | daughter | — | Oregon |
| 52 | Mary F. Kolb | 5 | daughter | — | Oregon |
| 53 | Frances L. Kolb | 3 | daughter | — | Oregon |
| 54 | Archie L. Barger | 46 | Head | Farmer | Oregon |
| 55 | Margie M. Barger | 42 | Wife | — | Ohio |
| 56 | June Barger | 19 | daughter | — | Oregon |
| 57 | Jean M. Barger | 10 | daughter | — | Oregon |
| 58 | Stanley D. Anderson | 43 | Head | Farmer | English Canada |
| 59 | Ethel V. Anderson | 40 | Wife | — | English Canada |
| 60 | Robert R. Anderson | 16 | son | — | California |
| 61 | Donald E. Anderson | 13 | son | — | California |
| 62 | L. C. Jensen | 37 | Head | Farmer | Connecticut |
| 63 | G. E. Jensen | 35 | Head | Farmer | Connecticut |
| 64 | Amy J. Jensen | 65 | Mother | — | Denmark |
| 65 | Burnie Leach | 33 | Boardman | Farm Labor | Oregon |
| 66 | Oscar Thompson | 33 | Head | Farmer | Oregon |
| 67 | Anna P. Thompson | 37 | Wife | — | Kansas |
| 68 | Oscar Jr. Thompson | 13 | son | — | Oregon |
| 69 | Gerald J. Thompson | 11 | son | — | Oregon |
| 70 | David S. Denby | 32 | Head | Farmer | Oregon |
| 71 | Leona S. Denby | 32 | Wife | — | Oregon |
| 72 | Dorthy M. Denby | 5 | daughter | — | Oregon |
| 73 | Mickel S. Denby | 2 | son | — | Oregon |
| 74 | Delbert L. Wilson | 35 | Head | Farmer | Oregon |
| 75 | Marion L. Wilson | 31 | Wife | — | Oregon |
| 76 | Lloyd L. Wilson | 12 | son | — | Oregon |
| 77 | Fred S. Wilson | 4 | son | — | Oregon |
| 78 | Robert M. Wilson | 1 | son | — | Oregon |
| 79 | Chris H. Jensen | 34 | Head | Farmer | Oregon |
| 80 | Edith S. Jensen | 33 | Wife | — | Oregon |
Pedigree Summary
Alfred
Gen 1 · 3 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)