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William Hayden — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this William Hayden across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents John & Musette — first a son (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Hayden |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Shipping Clerk |
| Industry | Steamship Co. |
| Class of Worker | PW |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Shipping Clerk |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1908 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Musette Hayden | Head | — | 64 | ~1876 |
| William Hayden | Son | — | 32 | ~1908 |
Census Appearances
1920
King, Washington
Son, age 11
King, Washington · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | William B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Maine |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 22
King, Washington · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | William B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Maine |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 32
King-County, Washington · implied b. ~1908 — 2 household members
| Surname | Hayden |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Shipping Clerk |
| Industry | Steamship Co. |
| Class of Worker | PW |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 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 William Hayden across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hayden (~0.92 confidence) and mother Musette Hayden (~0.92 confidence) and mother Musette Hayden (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hayden
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Musette Hayden
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Musette Hayden
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hayden
Son · 1940 · age 32 · b. ~1908 · 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-t0627-04377-00613)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel E. Johnson | 55 | Sister | Stenographer | Illinois |
| 2 | A. J. Spear | 45 | Head | Accountant | Kansas |
| 3 | Mary L. Spear | 43 | Wife | Bookkeeper | District of Columbia |
| 4 | Nelle J. Lyon | 74 | Mother-in-law | — | Michigan |
| 5 | Virgil K. Hancock | 49 | Head | Physician & Surgeon | Washington |
| 6 | Hazel P. Hancock | 46 | Wife | — | Montana |
| 7 | Virginia Hancock | 15 | Daughter | — | Washington |
| 8 | Robert Ireton | 77 | Lodger | — | Canada-English |
| 9 | Bert Jones | 57 | Head | Salesman | Washington |
| 10 | Edna Jones | 42 | Wife | — | Oregon |
| 11 | Mary Jones | 5 | Daughter | — | Washington |
| 12 | Luther J. Hill | 53 | Head | — | Missouri |
| 13 | Florence Hill | 49 | Wife | — | Washington |
| 14 | John Tyler Hill | 24 | Son | — | Washington |
| 15 | Eugene Hill | 17 | Daughter | — | Washington |
| 16 | Eugene Smith | 69 | Mother-in-law | — | Indiana |
| 17 | Florence Jewett | 45 | Servant | Servant | New York |
| 18 | Wedell Foss | 53 | Head | Manager | Minnesota |
| 19 | Edith Foss | 50 | Wife | — | Washington |
| 20 | Justine Foss | 20 | Daughter | — | Washington |
| 21 | Cedric R. Merrifield | 45 | Head | Sales Manager | Indiana |
| 22 | Helen Merrifield | 46 | Wife | — | Indiana |
| 23 | Richard Merrifield | 11 | Son | — | Washington |
| 24 | Ruth Merrifield | 7 | Daughter | — | Washington |
| 25 | Kathleen Wilson | 20 | Servant | Servant | Washington |
| 26 | Musette Hayden | 64 | Head | — | Indiana |
| 27 | William B. Hayden THIS PERSON | 32 | Son | Shipping Clerk | Washington |
| 28 | Harvey Miller | 45 | Head | Furniture Dealer | Illinois |
| 29 | Frances Miller | 36 | Wife | — | Washington |
| 30 | Joseph James Usher | 37 | Head | General Freight And Passenger Agent | North Dakota |
| 31 | Leta Usher | 40 | Wife | — | Utah |
| 32 | Donald Usher | 12 | Son | — | Washington |
| 33 | James Usher | 4 | Son | — | Washington |
| 34 | — | None | — | — | — |
| 35 | Carol E. Butterworth | 43 | Head | Undertaker | Washington |
| 36 | Marion Butterworth | 42 | Wife | — | Utah |
| 37 | Bert Butterworth | 17 | Son | — | Washington |
| 38 | Carol Butterworth | 14 | Daughter | — | Washington |
| 39 | Maimon Semuels | 65 | Head | Physician And Surgeon | Louisiana |
| 40 | Sophia Semuels | 49 | Wife | — | Georgia |
Pedigree Summary
William
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)