MW
Mary Wilson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Mary Wilson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Richard & Robert — first a daughter (b.~1904), then head of a 2-person household.
Age 36
b. ~1904
Female
Daughter
Born: Alaska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Wilson |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Alaska |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Alaska |
| Birth Country | United States |
| Birthplace (normalized) | alaska |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1904 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Wilson | Daughter | — | 36 | ~1904 |
| Grace Wilson | Head | — | 67 | ~1873 |
Census Appearances
1920
King, Washington
Daughter, age 16
King, Washington · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alaska |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alaska |
| Birth Country | United States |
| Birthplace (normalized) | alaska |
1930
King, Washington
Daughter, age 26
King, Washington · implied b. ~1904 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Mary N. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Alaska |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Wyoming |
| Can Read/Write | Yes |
| Birth State | Alaska |
| Birth Country | United States |
| Birthplace (normalized) | alaska |
1940
King-County, Washington
Daughter, age 36
King-County, Washington · implied b. ~1904 — 2 household members
| Surname | Wilson |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Alaska |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Alaska |
| Birth Country | United States |
| Birthplace (normalized) | alaska |
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 Mary Wilson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Wilson (~0.92 confidence) and father Robert Wilson (~0.92 confidence) and mother Grace Wilson (~0.92 confidence) and mother Grace Wilson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Wilson
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Robert Wilson
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Grace Wilson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Grace Wilson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Wilson
Daughter · 1940 · age 36 · b. ~1904 · 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
31 people indexed on this census page (nara:1940:m-t0627-04378-00601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lawrence Hoeschen | 21 | Son | — | Montana |
| 42 | Edward Hoeschen | 16 | Son | — | Washington |
| 43 | Ruth Hoeschen | 14 | Daughter | — | Washington |
| 45 | Leroy Moore | 46 | Head | Teller | Washington |
| 46 | Florence Moore | 50 | Wife | — | Washington |
| 47 | Richard Moore | 15 | Son | — | Washington |
| 48 | Donald Moore | 13 | Son | — | Washington |
| 50 | Grace Marble | 57 | Head | — | New Mexico |
| 51 | Ray Marble | 54 | Brother | — | New Mexico |
| 52 | Mayme Marble | 87 | Mother | — | Iowa |
| 54 | Matilda Lienau | 63 | Head | — | Wisconsin |
| 55 | Margaret Lienau | 19 | Daughter | — | Washington |
| 56 | Walter Jones | 80 | Lodger | — | England |
| 57 | Blanche Langston | 56 | Lodger | District Manager | Iowa |
| 60 | Robert Bugard | 32 | Head | Manager | Washington |
| 61 | Jean Bugard | 29 | Wife | — | Washington |
| 62 | Beverly Bugard | 8 | Daughter | — | Washington |
| 63 | Robert Jr. Bugard | 4 | Son | — | Washington |
| 65 | Robert Moore | 54 | Head | Owner | Ireland |
| 66 | Agnes Moore | 40 | Wife | — | Ireland |
| 67 | Jennie Moore | 27 | Daughter | Clerk | Washington |
| 68 | Joseph F. Moore | 21 | Son | Clerk | Washington |
| 69 | Roberta Moore | 13 | Daughter | — | Washington |
| 70 | William Moore | 12 | Son | — | Washington |
| 72 | Norman Robbins | 27 | Head | Mechanist | Canada-English |
| 73 | Maxine Robbins | 25 | Wife | — | North Dakota |
| 75 | Simon Burnett | 63 | Head | Owner | Russia |
| 76 | Ruth Burnett | 55 | Wife | — | Indiana |
| 77 | Bud J. Burnett | 28 | Son | Clerk | Washington |
| 79 | Grace A. Wilson | 67 | Head | — | Wyoming |
| 80 | Mary H. Wilson THIS PERSON | 36 | Daughter | — | Alaska |
Pedigree Summary
Mary
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)