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Myrtle Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this Myrtle Thompson across the 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Thompson |
| Given Name | Myrtle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | new worker |
| Hours Worked | 2 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | New Worker |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Myrtle | Age | Birth yr |
|---|---|---|---|---|
| George Thompson | Head | — | 42 | ~1898 |
| Myrtle Thompson | Spouse | — | 41 | ~1899 |
| Myrtle Thompson | Daughter | — | 16 | ~1924 |
| George Thompson | Son | — | 15 | ~1925 |
| Gladys Thompson | Daughter | — | 14 | ~1926 |
| Rodney Thompson | Son | — | 5 | ~1935 |
| Ramona Thompson | Daughter | — | 11 | ~1929 |
| Robert Thompson | Son | — | 8 | ~1932 |
Census Appearances
1930
King, Washington
Daughter, age 6
King, Washington · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Myrtle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | England |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Daughter, age 16
King-County, Washington · implied b. ~1924 — 8 household members
| Surname | Thompson |
| Given Name | Myrtle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Occupation | new worker |
| Hours Worked | 2 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Myrtle Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Myrtle Thompson
Daughter · 1940 · age 16 · b. ~1924 · Washington
★ You are viewing this record
Sibling
Rodney Thompson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ramona Thompson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Thompson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-04374-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emily L. Wise | 77 | Guest | — | Illinois |
| 42 | George Thompson | 42 | Head | Machinist | England |
| 43 | Myrtle S. Thompson | 41 | Wife | — | Minnesota |
| 44 | George Thompson | 15 | Son | — | Washington |
| 45 | Myrtle Thompson THIS PERSON | 16 | Daughter | New Worker | Washington |
| 46 | Gladys Thompson | 14 | Daughter | — | Washington |
| 47 | Ramona Thompson | 11 | Daughter | — | Washington |
| 48 | Robert Thompson | 8 | Son | — | Washington |
| 49 | Rodney Thompson | 5 | Son | — | Washington |
| 50 | Julius Hill | 52 | Head | Repair Man | Finland |
| 51 | Fannie Hill | 50 | Wife | — | Oregon |
| 52 | Sam R. Howd | 24 | Head | Laborer | Washington |
| 53 | Helen B. Howd | 24 | Wife | Elevator Operator | Oregon |
| 54 | Mattie B. Hanson | 62 | Mother-in-law | — | Wisconsin |
| 55 | Ethel Young | 32 | Sister-in-law | Information | Minnesota |
| 56 | Clement Gabel | 34 | Lodger | Foreman | Minnesota |
| 57 | Ray Vikingselius | 65 | Head | — | Iowa |
| 58 | Joshua Makkila | 51 | Head | Carpenter | Finland |
| 59 | Hulda Makkila | 49 | Wife | — | Washington |
| 60 | Mildred Makkila | 19 | Daughter | Saleslady | Washington |
| 61 | Harold Henderson | 29 | Head | Transit Operator | Washington |
| 62 | Helen Henderson | 21 | Wife | — | Washington |
| 63 | David W. Henderson | 2 | Son | — | Washington |
| 64 | Ronald N. Henderson | 1 | Son | — | Washington |
| 65 | James A. Pelham | 67 | Head | Contractor | Texas |
| 66 | Emily Pelham | 62 | Wife | — | England |
| 67 | Robert Glover | 73 | Head | Farm Repair | England |
| 68 | Matilda Glover | 71 | Wife | — | England |
| 69 | Lambert Toller | 45 | Head | Cook | Iowa |
| 70 | Lina Toller | 44 | Wife | — | Norway |
| 71 | William Preston | 42 | Head | Truck Driver | England |
| 72 | Florence Preston | 38 | Wife | — | Minnesota |
| 73 | Phyllis Preston | 15 | Daughter | — | Washington |
| 74 | William B. Preston | 7 | Son | — | Washington |
| 75 | Marilyn H. Preston | 6 | Daughter | — | Washington |
| 76 | Betty J. Preston | 2 | Daughter | — | Washington |
| 77 | — | None | — | — | — |
| 78 | Howard Graham | 41 | Head | Service Station | Illinois |
| 79 | Marie Graham | 32 | Wife | — | Washington |
| 80 | Peter O'Brien | 15 | Son | — | Washington |
Related Census Records
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)