ON
Oscar Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this Oscar Nelson across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Cabinet Maker |
| Industry | Cabinet Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Cabinetmaker |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1885 |
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 |
|---|---|---|---|---|
| Margaret Nelson | Daughter | — | 4 | ~1936 |
| Evelyn Nelson | Daughter | — | 15 | ~1925 |
| Oscar Nelson | Head | — | 55 | ~1885 |
| Marguerite Nelson | Spouse | — | 43 | ~1897 |
Census Appearances
1910
Towner, North …
Head, age 28
Towner, North Dakota · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Norway |
| Years Married | 5 |
| Year of Immigration | 1901 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | farmer |
| Industry | rented farm OA |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
King, Washington
Head, age 37
King, Washington · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Carpenter |
| Industry | house builder |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
King, Washington
Head, age 45
King, Washington · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Oscar R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | First papers filed |
| Year of Immigration | 1911 |
| Age at First Marriage | 24 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Cabinet maker |
| Industry | Cabinet Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
King-County, Washington
Head, age 55
King-County, Washington · implied b. ~1885 — 4 household members
| Surname | Nelson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Naturalization Status | Naturalized |
| Occupation | Cabinet Maker |
| Industry | Cabinet Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Oscar Nelson
Head · 1940 · age 55 · b. ~1885 · Washington
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04382-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wm. D. Sherrod | 20 | Head | Electrician | Washington |
| 42 | Phyllis Sherrod | 16 | Daughter | — | Washington |
| 43 | Virgil Schmidt | 30 | Head | Machinist | Washington |
| 44 | Grace Schmidt | 28 | Wife | — | Kansas |
| 45 | J. L. Stubblefield | 51 | Head | Truck Driver | Washington |
| 46 | Bessie H. Stubblefield | 50 | Wife | — | Missouri |
| 47 | Oscar Nelson THIS PERSON | 55 | Head | Cabinet Maker | Norway |
| 48 | Marguerite Nelson | 43 | Wife | — | Oregon |
| 49 | Evelyn Nelson | 15 | Daughter | — | Washington |
| 50 | Margaret Nelson | 4 | Daughter | — | Washington |
| 51 | A. E. Rasmussen | 42 | Head | Ret. Groc. Del. | Iowa |
| 52 | Blanche Rasmussen | 43 | Wife | — | Washington |
| 53 | Wayne Rasmussen | 20 | Son | Paper Boy | Washington |
| 54 | Shirley Rasmussen | 18 | Daughter | — | Washington |
| 55 | M. S. Petersen | 43 | Head | Painter | Washington |
| 56 | Rose Petersen | 42 | Wife | — | Massachusetts |
| 57 | E. J. Jr. Pineyard | 39 | Head | Salesman | Washington |
| 58 | Bernice R. Pineyard | 34 | Wife | Traffic Dept. | New York |
| 59 | Kenneth Pineyard | 5 | Son | — | Washington |
| 60 | Orville Moss | 26 | Head | Attendant | Washington |
| 61 | Margaret Moss | 25 | Wife | — | No. Dakota |
| 62 | Here | None | Ends | — | 78. |
| 63 | Nick Scassino | 57 | Head | Sewer Man | Italy |
| 64 | Lucille Scassino | 56 | Wife | — | Italy |
| 65 | Casimo Scassino | 27 | Son | Baker | Washington |
| 66 | John Musetti | 52 | Head | Checker | Michigan |
| 67 | Verna Musetti | 50 | Wife | — | Illinois |
| 68 | Ray C. Rachel | 51 | Head | Stress Engineer | Washington |
| 69 | Elsie Rachel | 51 | Wife | — | Colorado |
| 70 | J. R. Mccarthy | 46 | Head | Police Sergeant | California |
| 71 | Hannah Mccarthy | 37 | Wife | — | Illinois |
| 72 | J. J. Mccloskey | 50 | Head | Office Mgr. | Canada |
| 73 | Anna J. Mccloskey | 45 | Wife | — | Canada |
| 74 | M. A. Simpson | 35 | Head | Inspector | Michigan |
| 75 | June Simpson | 25 | Wife | — | Idaho |
| 76 | Ernest Harter | 50 | Head | Clerk | Illinois |
| 77 | Florence Harter | 50 | Wife | — | Washington |
| 78 | Frank Howard | 49 | Head | Fireman | Washington |
| 79 | Mabel Howard | 37 | Wife | Inspector | Minnesota |
| 80 | In Care Howard | 1 | Son | — | Washington |
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)