WP
William Pearson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mason-County, Washington
Our Model Tree links this William Pearson across the 1920, 1930 and 1940 US Censuses in Mason-County, Washington (XGBoost, ~Confirmed), with identified parents Florence & John — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Washington |
| Surname | Pearson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Shelton City |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Occupation | Salesman |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Salesman |
| Township / Ward | Shelton City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ella Perala | Other | — | 22 | ~1918 |
| William Pearson | Son | — | 22 | ~1918 |
| Katheryn Hatch | Other | — | 24 | ~1916 |
| John Pearson | Head | — | 54 | ~1886 |
| Florence Pearson | Spouse | — | 56 | ~1884 |
| Doris Tarte | Other | — | 21 | ~1919 |
| Jane Enbright | Other | — | 24 | ~1916 |
Census Appearances
1920
Mason, Washington
Son, age 2
Mason, Washington · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Mason, Washington
Son, age 12
Mason, Washington · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Mason-County, Washington
Son, age 22
Mason-County, Washington · implied b. ~1918 — 7 household members
| Surname | Pearson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Shelton City |
| 1935 Residence (County) | Mason |
| Occupation | Salesman |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Pearson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Florence Pearson (~0.92 confidence) and father John Pearson (~0.92 confidence) and father John Pearson (~0.92 confidence) and father John Pearson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Florence Pearson
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
John Pearson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
John Pearson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
John Pearson
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Pearson
Son · 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 — Mason-County, Washington
Open full size
1940 US Federal Census — Mason-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04352-00698)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert L Huerby | 15 | Son | — | Washington |
| 2 | Minnie B De Miller | 62 | In law | — | Nebraska |
| 3 | James B Amunds | 31 | Head | Purchasing Agent | Canada English |
| 4 | Alice M Amunds | 29 | Wife | — | Washington |
| 5 | John Pearson | 54 | Head | Real Estate | Illinois |
| 6 | Florence G Pearson | 56 | Wife | School Teacher | Illinois |
| 7 | William Pearson THIS PERSON | 22 | Son | Salesman | Missouri |
| 8 | Doris J Tarte | 21 | Lodger | School Teacher | Washington |
| 9 | Jane H Enbright | 24 | Lodger | School Teacher | Washington |
| 10 | Katheryn L Hatch | 24 | Lodger | School Teacher | Canada English |
| 11 | Ella Perala | 22 | Lodger | School Teacher | Washington |
| 12 | — | None | — | — | — |
| 13 | Donald G Mckay | 43 | Head | Owner Boss | Canada English |
| 14 | Alva Mckay | 41 | Wife | — | Washington |
| 15 | Jane Mckay | 13 | Daughter | — | Washington |
| 16 | Donald Jr Mckay | 17 | Son | — | Washington |
| 17 | Edward H Faubert | 44 | Head | Hotel Manager | Washington |
| 18 | Beryle W Faubert | 42 | Wife | — | Washington |
| 19 | Joann Faubert | 13 | Daughter | — | Washington |
| 20 | Charles E Runacres | 49 | Head | Accountant | England |
| 21 | Anna G Runacres | 50 | Wife | — | Minnesota |
| 22 | Eileen C Runacres | 23 | Daughter | General Office | Washington |
| 23 | Charles E Jr Runacres | 23 | Son | — | Washington |
| 24 | William A Anderson | 66 | Head | — | Scotland |
| 25 | Annie C Anderson | 68 | Wife | — | Scotland |
| 26 | Hans P Schmidt | 52 | Head | Music Teacher | Germany |
| 27 | Mildred B Schmidt | 48 | Wife | — | Nebraska |
| 28 | Ellen D Putnam | 44 | Head | Housekeeper | Minnesota |
| 29 | — | None | — | — | — |
| 30 | Robert D Brumblay | 63 | Head | Minister | Indiana |
| 31 | Gatha M Brumblay | 65 | Wife | — | Indiana |
| 32 | William L Cowling | 55 | Head | Clerk | England |
| 33 | Isabella B Cowling | 48 | Wife | — | Washington |
| 34 | Warren Cowling | 23 | Son | Bleacherman | Washington |
| 35 | Mark Wiechmann | 64 | Head | Priest | Germany |
| 36 | Mary Wensmann | 54 | Hsece | — | Minnesota |
| 37 | — | None | — | — | — |
| 38 | Eunice E Bruin | 28 | Head | Ticket Agent | South Dakota |
| 39 | David R Ames | 38 | Head | Upholsterer | Canada English |
| 40 | Hazel B Ames | 34 | Wife | — | North Dakota |
Pedigree Summary
William
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)