RN
Roy Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Roy Nelson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Henry & Masti — first a head (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Nelson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Merchant |
| Industry | Wallpaper store |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Merchant |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1899 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Roy Nelson | Head | — | 41 | ~1899 |
| Rita Nelson | Spouse | — | 37 | ~1903 |
| Thomas Nelson | Son | — | 7 | ~1933 |
Census Appearances
1920
King, Washington
Son, age 19
King, Washington · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Roy H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Helper |
| Industry | Contractor & Builder |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Head, age 29
King, Washington · implied b. ~1901 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Roy H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 28 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Merchant |
| Industry | Grocery |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 55 |
| Radio Set | R |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 41
King-County, Washington · implied b. ~1899 — 3 household members
| Surname | Nelson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Merchant |
| Industry | Wallpaper store |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Roy Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Nelson (~0.92 confidence) and mother Masti Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Nelson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Masti Nelson
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Nelson
Head · 1940 · age 41 · b. ~1899 · Washington
★ 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-04378-00416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charlotte Realsfeke | 23 | Sister | Clerk | Minnesota |
| 2 | John D. Sullivan | 45 | Head | Puncher | Iowa |
| 3 | Arthur Stedt | 30 | Head | Parts Manager | Minnesota |
| 4 | Antoinette Stedt | 25 | Wife | — | England |
| 5 | Fritz Idribrunsen|Isribrunsen | 30 | Head | Wholesale Distributor | Norway |
| 6 | Frances Idribrunsen|Isribrunsen | 29 | Wife | Bookkeeper | Nebraska |
| 7 | Betty Gardner | 21 | Head | Stenographer | Nebraska |
| 8 | Joseph Conger | 45 | Head | Engineer | California |
| 9 | Alice Conger | 33 | Wife | Stenographer | California |
| 10 | Norman Lieberg | 20 | Head | Student | Montana |
| 11 | Fay Lieberg | 13 | Partner | Aircraft Mechanic | Montana |
| 12 | H. G. Gilbert | 31 | Head | Warehouseman | Illinois |
| 14 | Harold T. Giffin | 52 | Head | Kennelmen | New York |
| 15 | Jeanette C. Gilery | 68 | Head | — | Illinois |
| 16 | Martha Gilery | 55 | Sister | Partner | Kansas |
| 18 | Albert Corner | 40 | Head | Factory Representative | Idaho |
| 19 | Carrie Corner | 41 | Wife | — | Minnesota |
| 20 | Donna Corner | 3 | Daughter | — | Washington |
| 21 | Howard Didriksen | 36 | Head | Landscape Architect | Nebraska |
| 22 | Gertrude Didriksen | 36 | Wife | — | Montana |
| 23 | Beverly Ann Didriksen | 3 | Daughter | — | Washington |
| 26 | Clifford Stier | 39 | Head | Manager | Washington |
| 27 | Marie Stier | 31 | Wife | — | South Dakota |
| 28 | Bruce Stier | 13 | Son | — | Washington |
| 29 | Alan Stier | 7 | Son | — | Washington |
| 30 | Carl Ameling | 50 | Head | Publisher | Nebraska |
| 31 | Viola Ameling | 43 | Wife | — | Nebraska |
| 32 | Donald Ameling | 19 | Son | Delivery Boy | Nebraska |
| 33 | Verla Kay Ameling | 15 | Daughter | — | Oregon |
| 34 | Virginia Armstrong | 27 | Head | Assistant Supervisor | Kansas |
| 35 | Thomas Armstrong | 30 | Guest | Timekeeper | Washington |
| 36 | Roy Nelson THIS PERSON | 41 | Head | Merchant | Washington |
| 37 | Rita Nelson | 37 | Wife | — | Washington |
| 38 | Thomas Nelson | 7 | Son | — | Washington |
| 39 | Clarence Swenson | 29 | Head | Postal Supervisor | Nebraska |
| 40 | Gwendolyn Swenson | 23 | Wife | — | Oregon |
Pedigree Summary
Roy
Gen 1 · 2 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)