JL
John Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this John Long across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Long |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Machinist |
| Industry | County school |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1320 |
| Highest Grade | H 3 |
| 1935 Residence | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Machinist |
| Township / Ward | Buena Prec |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Long | Head | — | 22 | ~1918 |
| John Long | Son | — | ~1940 | |
| Roberta Long | Spouse | — | 23 | ~1917 |
Census Appearances
1920
King, Washington
Son, age 2
King, Washington · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | John F Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | Nebraska |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 12
King, Washington · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | John T Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | New York |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 22
King-County, Washington · implied b. ~1918 — 3 household members
| Surname | Long |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle |
| 1935 Residence (County) | King |
| Occupation | Machinist |
| Industry | County school |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1320 |
| Highest Grade | H 3 |
| 1935 Residence | Washington |
| 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 Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Long (~0.92 confidence) and father John Long (~0.92 confidence) and mother Edna Long (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Long
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Long
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Edna Long
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Long
Head · 1940 · age 22 · b. ~1918 · 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-t0627-04343-00697)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Corene Price | 5 | daughter | — | Oregon |
| 42 | Polydoor Del Motte | 50 | head | Laborer | Belgium |
| 43 | Ida Del Motte | 62 | wife | — | Michigan |
| 44 | Jean Hess | 42 | head | — | Minnesota |
| 45 | John Hess | 20 | son | Laborer | Minnesota |
| 46 | Robert Hess | 16 | son | — | Minnesota |
| 47 | Dorothy Hess | 15 | daughter | — | Minnesota |
| 48 | Bernard Hess | 12 | son | — | Minnesota |
| 49 | Earl Hess | 10 | son | — | Minnesota |
| 50 | Margaret Hess | 9 | daughter | — | Minnesota |
| 51 | Helen Hess | 7 | daughter | — | Washington |
| 52 | Benjamin Elliott | 51 | head | Laborer | Michigan |
| 53 | Ethel Elliott | 45 | wife | — | Iowa |
| 54 | Mary Davidson | 53 | head | — | Minnesota |
| 55 | Enos Eddington | 54 | lodger | Laborer | Texas |
| 56 | Emil Eddington | 24 | lodger | Logger | Washington |
| 57 | Jessie Smith | 67 | head | Gun Yard | Illinois |
| 58 | Lillian Smith | 66 | wife | — | Nebraska |
| 59 | Carl Henderson | 32 | head | Electrical Eng. | Minnesota |
| 60 | Arthur Henderson | 29 | brother | Laborer | Minnesota |
| 61 | Floyd Henderson | 20 | brother | — | Minnesota |
| 62 | Isabel Henderson | 56 | mother | — | Minnesota |
| 63 | Einar Peterson | 52 | head | Carpenter | Norway |
| 64 | Christina Peterson | 45 | wife | — | Washington |
| 65 | Herbert Elledge | 35 | head | Painter | Arizona |
| 66 | Ellen Elledge | 39 | wife | — | Germany |
| 67 | Harry Ruede | 57 | head | Engineer | Indiana |
| 68 | Effie Ruede | 62 | wife | — | Oregon |
| 69 | Guilford Ruede | 10 | son | — | Washington |
| 70 | John Long THIS PERSON | 22 | head | Machinist | Washington |
| 71 | Roberta Long | 23 | wife | — | Idaho |
| 72 | John Scott Long | 0 | son | — | Washington |
| 73 | Margaret Hopkins | 82 | head | — | Ireland |
| 74 | Edward Hopkins | 49 | son | Teamster | Washington |
| 75 | Frank Hopkins | 42 | son | Laborer | Washington |
| 76 | Paul Vanderpool | 29 | head | Machinist | Colorado |
| 77 | Asa Vanderpool | 30 | wife | — | Missouri |
| 78 | Arnold Vanderpool | 27 | head | Machinist | Wyoming |
| 79 | Eva Vanderpool | 28 | wife | — | Iowa |
| 80 | Ronald Vanderpool | 5 | 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)