WT
Walter Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Walter Thompson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Walter & Walter — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Thompson |
| Given Name | Walter G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Lake Elec. Precinct |
| 1935 Residence (County) | King |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Lake Elec Precinct |
| Est. Birth Year | ~1919 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Walter Thompson | Head | — | 62 | ~1878 |
| Walter Thompson | Son | — | 21 | ~1919 |
| Bella Thompson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
King, Washington
Son, age 1
King, Washington · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Walter Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 11
King, Washington · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Walter E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 21
King-County, Washington · implied b. ~1919 — 3 household members
| Surname | Thompson |
| Given Name | Walter G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Lake Elec. Precinct |
| 1935 Residence (County) | King |
| 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 Walter Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Thompson (~0.92 confidence) and father Walter Thompson (~0.92 confidence) and mother Bella Thompson (~0.92 confidence) and mother Bertha Thompson (~0.92 confidence) and mother Della Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Thompson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Walter Thompson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Bella Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Bertha Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Della Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Thompson
Son · 1940 · age 21 · b. ~1919 · 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-t0627-04343-00584)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ronald (Ab) Mc Donald | 63 | Head | Super Cargo | New York |
| 42 | Lydia Mc Donald | 54 | Wife | — | Minnesota |
| 43 | Eleanor Sadin | 27 | Lodger | Teacher | Wisconsin |
| 44 | Joseph M. Barclay | 26 | Head | Butcher | Pennsylvania |
| 45 | Marie D. Barclay | 24 | Wife | Secretary | Canada-English |
| 46 | Walter Thompson | 62 | Head | Bookkeeper | Indiana |
| 47 | Bella Thompson | 52 | Wife | — | Illinois |
| 48 | Walter G. Thompson THIS PERSON | 21 | Son | — | Washington |
| 49 | Wiley Chapman | 73 | Head | — | Oregon |
| 50 | Alonzo Chapman | 26 | Son | Mechanic | Oregon |
| 51 | Placile W. Templeton | 43 | Head | — | Oregon |
| 52 | Jerry M. Templeton | 14 | daughter | — | Washington |
| 53 | Edwin A. Linde | 46 | Head | Barman | Washington |
| 54 | Lillian Linde | 39 | Wife | — | Minnesota |
| 55 | John R. Danielson | 16 | Son | — | Washington |
| 56 | Daniel C. Danielson | 14 | Son | — | Oregon |
| 57 | Mabel J. Linde | 15 | daughter | — | Washington |
| 58 | William Furman | 46 | Head | Assistant Sales Man | California |
| 59 | Marie Furman | 44 | Wife | — | Missouri |
| 60 | Alice M. Furman | 19 | Daughter | Stenographer | Missouri |
| 61 | Charles J. Wasell | 71 | Head | Carpenter | Sweden |
| 62 | Hulda C. Wasell | 61 | Wife | — | Sweden |
| 63 | Lester W. Wasell | 22 | Son | Clerk | Washington |
| 64 | Gronie W. Wasell | 19 | Son | Carpenter Helper | Washington |
| 65 | Charles E. Furman | 55 | Head | Maintenance | Kansas |
| 66 | Lydia Furman | 56 | Wife | — | Switzerland |
| 67 | Rayman P. Carter | 57 | Head | — | California |
| 68 | Fannie E. Carter | 61 | Wife | — | Kansas |
| 69 | Wilbur R. Carter | 26 | Son | Welder | Missouri |
| 70 | Furman G. Carter | 23 | Son | Mechanic | Washington |
| 71 | Guy M. Campbell | 59 | Head | Agent | New York |
| 72 | Marie M. Campbell | 39 | Wife | — | Minnesota |
| 73 | Gene J. Campbell | 19 | daughter | — | Montana |
| 74 | Gordon M. Campbell | 15 | Son | — | Montana |
| 75 | Gerald R. Campbell | 14 | Son | — | Montana |
| 76 | Pete T. Rio | 22 | Head | Truck Driver | Washington |
| 77 | Margaret S. Rio | 21 | Wife | — | Washington |
| 78 | Marie Ann Rio | 0 | daughter | — | Washington |
| 79 | Arthur D. Smith | 42 | Head | Chief Petty Officer | Minnesota |
| 80 | Lucille C. Smith | 38 | Wife | — | Indiana |
Pedigree Summary
Walter
Gen 1 · 5 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)