AN
Arthur Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Arthur Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents John & Lotten — first a son (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Hayward |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Buyer |
| Industry | Poultry |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Buyer |
| Township / Ward | Hayward |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Alfred Nelson | Head | — | 63 | ~1877 |
| Arthur Nelson | Son | — | 32 | ~1908 |
Census Appearances
1910
Alameda, California
Son, age 1
Alameda, California · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nilson |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Alameda, California
Son, age 11
Alameda, California · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 22
Alameda, California · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Poultry |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Son, age 32
Alameda-County, California · implied b. ~1908 — 2 household members
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Hayward |
| 1935 Residence (County) | Alameda |
| Occupation | Buyer |
| Industry | Poultry |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Arthur Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Nilson (~0.92 confidence) and mother Lotten Nilson (~0.92 confidence) and father Alfred Nelson (~0.92 confidence) and father Alfred Nelson (~0.92 confidence) and father Alfred Nelson (~0.92 confidence) and mother Ellen Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Nilson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lotten Nilson
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Alfred Nelson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Alfred Nelson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Alfred Nelson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Ellen Nelson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Nelson
Son · 1940 · age 32 · b. ~1908 · California
★ 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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00185-00492)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Ward | 15 | daughter | — | California |
| 2 | Edw. S. Pappas | 40 | head | Laborer | Greece |
| 3 | Matilda Pappas | 42 | wife | — | California |
| 4 | Thomas Pappas | 18 | son | Radio Service | California |
| 5 | Matilda Pappas | 17 | daughter | — | California |
| 6 | Pauline Pappas | 14 | daughter | — | California |
| 7 | Antonio Costa | 42 | head | Finisher | Portugal |
| 8 | Ethel Costa | 39 | wife | — | Portugal |
| 9 | Charles Costa | 19 | son | — | Mass. |
| 10 | Paul Costa | 10 | son | — | Mass. |
| 11 | Leola Costa | 8 | daughter | — | Mass. |
| 12 | Louis Klitzke | 48 | head | Carpenter | Wisconsin |
| 13 | Ethel Klitzke | 40 | wife | — | Minnesota |
| 14 | Howard Klitzke | 20 | son | Apprentice Carpenter | Montana |
| 15 | Percy Pelletier | 44 | head | Carpenter | Louisiana |
| 16 | Alice Pelletier | 39 | wife | — | Louisiana |
| 17 | Joseph Pelletier | 15 | son | — | Louisiana |
| 18 | Percy Pelletier | 12 | son | — | Louisiana |
| 19 | Aubry Pelletier | 11 | son | — | Louisiana |
| 20 | Alfreda Pelletier | 10 | daughter | — | Louisiana |
| 21 | Marcus Pelletier | 9 | son | — | California |
| 22 | Alice Ann Pelletier | 0 | daughter | 0 | California |
| 23 | Alfred Nelson | 63 | head | — | Sweden |
| 24 | Arthur Nelson THIS PERSON | 32 | son | Buyer | California |
| 27 | M. H. Sorensen | 54 | head | Laborer | California |
| 28 | Lena Sorensen | 54 | wife | — | California |
| 29 | Henry Thuekhansen | 78 | head | — | Germany |
| 30 | Emily Thuekhansen | 70 | wife | — | Germany |
| 31 | Ada Thuekhansen | 40 | daughter | — | Wisconsin |
| 32 | J. L. Abrew | 58 | head | Pharmacist | California |
| 33 | Elizabeth Abrew | 50 | wife | — | California |
| 34 | Joseph Abrew | 4 | son | 0 | California |
| 35 | Betty Jo Abrew | 1 | daughter | 0 | California |
| 36 | Manuel Elmore | 26 | head | Truck Driver | California |
| 37 | Alta Elmore | 24 | wife | — | Arkansas |
| 38 | John W. Frazier | 59 | father-in-law | — | Arkansas |
| 39 | Virginia Frazier | 57 | mother-in-law | — | Arkansas |
| 40 | Loy Frazier | 18 | brother-in-law | — | Arkansas |
Pedigree Summary
Arthur
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)