HY
Harold Young — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Harold Young across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Jack & John — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Young |
| Given Name | Harold K |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seahurst Voting Precinct |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | helper |
| Industry | Lumber Co |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Helper |
| Township / Ward | Seahurst Voting Precinct |
| Est. Birth Year | ~1915 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Young | Son | — | 25 | ~1915 |
| Effie Young | Spouse | — | 47 | ~1893 |
| Jack Young | Head | — | 50 | ~1890 |
Census Appearances
1920
King, Washington
Son, age 3
King, Washington · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Young |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Nebraska |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
Son, age 14
King, Washington · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Young |
| Given Name | Harry D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 25
King-County, Washington · implied b. ~1915 — 3 household members
| Surname | Young |
| Given Name | Harold K |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seahurst Voting Precinct |
| 1935 Residence (County) | King |
| Occupation | helper |
| Industry | Lumber Co |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| 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 Harold Young across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jack Young (~0.92 confidence) and father John Young (~0.92 confidence) and mother Effie Young (~0.92 confidence) and mother Lottie Young (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jack Young
b. ~1890
Source father
● Household
· direct · ~0.92
Father
John Young
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Effie Young
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Lottie Young
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Young
Son · 1940 · age 25 · b. ~1915 · 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-t0627-04346-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | August Holzberger | 79 | boarder | Retired | Germany |
| 2 | Robert Wayne Mason | 27 | Head | Machinery Draftsman | Oregon |
| 3 | Jean A Mason | 24 | wife | — | Oregon |
| 4 | Harold A Rude | 30 | Head | History Teacher & Coach | Washington |
| 5 | Myrtle B Rude | 30 | wife | — | N. Dakota |
| 6 | Clarence W Docks | 34 | Head | Industrial Arts Coach | Wisconsin |
| 7 | Helen Docks | 32 | wife | — | Wisconsin |
| 8 | Sonja Sue Docks | 3 | daughter | — | — |
| 9 | Nelson Mclinsey | 28 | Head | Apprentice Machinist | S. Dakota |
| 10 | Isabelle G Mclinsey | 27 | wife | — | S. Dakota |
| 11 | Charles Mclinsey | 6 | son | — | — |
| 12 | Jean Mclinsey | 3 | daughter | — | — |
| 13 | Jack N Young | 50 | Head | Manager | N. Dakota |
| 14 | Effie O Young | 47 | wife | Secretary | Idaho |
| 15 | Harold K Young THIS PERSON | 25 | son | Helper | Washington |
| 16 | Fred N Heyworth | 48 | Head | Foreman | England |
| 17 | Mary D Heyworth | 49 | wife | — | England |
| 18 | Dorothy Heyworth | 21 | daughter | Telephone Operator | Washington |
| 19 | Mina L Mcelroy | 76 | Head | Practitioner | Illinois |
| 20 | Frederick Mcconnell | 33 | Head | Hardware Salesman | Nebraska |
| 21 | Margaret A Mcconnell | 28 | wife | — | Nebraska |
| 22 | James Gordon Mcconnell | 2 | son | — | — |
| 23 | Harry Price | 54 | Head | Fuselage Mechanic | Michigan |
| 24 | Kathleen P Price | 54 | wife | — | Wisconsin |
| 25 | Frederick Raynor | 26 | step-son | Sawyer | Michigan |
| 26 | Charles Blick | 55 | Head | Tool Checker | Texas |
| 27 | Grace V Blick | 53 | wife | — | Colorado |
| 28 | William Blick | 24 | son | — | Washington |
| 29 | Kenneth Blick | 17 | son | Caddying | Washington |
| 30 | Lewis Buck | 59 | Head | Barber | Illinois |
| 31 | Hannah G Buck | 66 | wife | Dressmaker & Seamstress | Illinois |
| 32 | James Brandt | 32 | Head | Mechanic & Repair Line | Oregon |
| 33 | Bertha P Brandt | 31 | wife | Office Help | Oregon |
| 34 | Jean Brandt | 6 | daughter | — | — |
| 35 | Richard Brandt | 4 | son | — | — |
| 36 | Carlton Green | 40 | Head | Switchman | New York |
| 37 | Marie Green | 35 | wife | — | Nebraska |
| 38 | Gerald Green | 15 | son | — | — |
| 39 | Jean Green | 9 | daughter | — | Wyoming |
| 40 | Theodore R Nebbe | 65 | Head | Laborer | Germany |
Related Census Records
Pedigree Summary
Harold
Gen 1 · 4 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)