JN
John Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this John Nelson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Emil & Maude — first a head (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Nelson |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | bartender |
| Industry | retail beverages |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Bartender |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1905 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Frances Nelson | Daughter | — | 13 | ~1927 |
| John Nelson | Head | — | 35 | ~1905 |
| Charles Mattson | Other | — | 56 | ~1884 |
| Bennie Nelson | Son | — | 3 | ~1937 |
| Catherine Nelson | Spouse | — | 33 | ~1907 |
Census Appearances
1920
King, Washington
Son, age 14
King, Washington · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 24
King, Washington · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | Canada-Eng |
| Occupation | Laborer |
| Industry | Dairy |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 35
King-County, Washington · implied b. ~1905 — 5 household members
| Surname | Nelson |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | bartender |
| Industry | retail beverages |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | No 6 |
| 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 John Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Emil Nelson (~0.92 confidence) and mother Maude Nelson (~0.92 confidence) and mother Maud Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Emil Nelson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Maude Nelson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Maud Nelson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nelson
Head · 1940 · age 35 · b. ~1905 · 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
40 people indexed on this census page (nara:1940:m-t0627-04374-00332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise A Messiaux | 40 | wife | — | Nebraska |
| 2 | Carl J Casebolt | 53 | Head | Engineer | Finland |
| 3 | Bessie D Casebolt | 53 | wife | — | Michigan |
| 4 | Trygve Landaas | 50 | Head | Copper Smith | Norway |
| 5 | Christina Landaas | 41 | wife | Laundress | Scotland |
| 6 | William Hilton | 48 | Head | Checker | Kansas |
| 7 | Eva M Hilton | 38 | wife | Operator | Washington |
| 8 | Leo A Baehr | 56 | Head | Planerman | New York |
| 9 | Ruby E Baehr | 51 | wife | — | New York |
| 10 | Gertrude Baehr | 26 | daughter | Elevator Operator | Washington |
| 11 | Clara S Emblom | 42 | Head | Clerical Wh | Michigan |
| 12 | William Emblom | 18 | son | Steward | Michigan |
| 13 | Joe Scott | 47 | Head | Bolt Maker | Canada Eng |
| 14 | Rose Scott | 40 | wife | Furniture Sander | Canada Eng |
| 15 | Victor Scott | 23 | son | Laborer | Washington |
| 16 | John Scott | 18 | son | — | Washington |
| 17 | John B Nelson THIS PERSON | 35 | Head | Bartender | Washington |
| 18 | Catherine Nelson | 33 | wife | — | Canada Eng |
| 19 | Frances Nelson | 13 | daughter | — | Washington |
| 20 | Bennie Nelson | 3 | son | — | Washington |
| 21 | Charles Mattson | 56 | lodger | Fisherman | Finland |
| 22 | Lloyd E Stevens | 34 | Head | Laborer | North Dakota |
| 23 | Margaret O Stevens | 27 | wife | — | Canada Eng |
| 24 | Valerie E Stevens | 1 | daughter | — | Washington |
| 25 | Earle Swanberg | 43 | Head | Supt | Washington |
| 26 | Isa Swanberg | 39 | wife | — | Washington |
| 27 | Robert Swanberg | 17 | son | — | Washington |
| 28 | Helen Swanberg | 16 | daughter | — | Washington |
| 29 | Stanley Swanberg | 14 | son | — | Washington |
| 30 | Gordon Swanberg | 12 | son | — | Washington |
| 31 | Halter B Mcmullen | 59 | Head | Clerical Wh | Iowa |
| 32 | Sadie E Mcmullen | 60 | wife | — | Indiana |
| 33 | William B Mcmullen | 27 | son | Laborer | Washington |
| 34 | Margaret Mcmullen | 18 | daughter | — | Idaho |
| 35 | Richard Decker | 48 | Head | Melter | Holland |
| 36 | Ida Decker | 42 | wife | — | Oregon |
| 37 | Harold Decker | 18 | son | — | Washington |
| 38 | Kenneth Decker | 15 | son | — | Washington |
| 39 | Pauline Jaskulski | 68 | Head | — | Poland |
| 40 | Edward Jaskulski | 24 | son | — | Washington |
Pedigree Summary
John
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)