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Lucy Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Stevens-County, Washington
Our Model Tree links this Lucy Thomas across the 1920, 1930 and 1940 US Censuses in Stevens-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Female
Spouse
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Stevens-County, Washington |
| Surname | Thomas |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | American Indian |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Valley Prairie Precinct |
| 1935 Residence (County) | Stevens |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Valley Prairie Precinct |
| Est. Birth Year | ~1892 |
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 Lucy | Age | Birth yr |
|---|---|---|---|---|
| Annie Thomas | Other | — | 12 | ~1928 |
| Moses Williams | Son | — | 20 | ~1920 |
| Lucy Thomas | Spouse | — | 48 | ~1892 |
| Samuel Thomas | Son | — | 15 | ~1925 |
| Isaac Thomas | Head | — | 63 | ~1877 |
| Julia Thomas | Other | — | 10 | ~1930 |
| Virginia Williams | Other | — | 21 | ~1919 |
Census Appearances
1920
Stevens, Washington
Spouse, age 26
Stevens, Washington · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | American Indian |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Washington |
| Father's Birthplace | Washington |
| Mother's Birthplace | Washington |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Indian |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Stevens, Washington
Spouse, age 37
Stevens, Washington · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | American Indian |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 22 |
| Father's Birthplace | Full |
| Mother's Birthplace | Spokane |
| Can Read/Write | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Stevens-County, Washington
Spouse, age 48
Stevens-County, Washington · implied b. ~1892 — 7 household members
| Surname | Thomas |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | American Indian |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Valley Prairie Precinct |
| 1935 Residence (County) | Stevens |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 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 Lucy Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lucy Thomas
Spouse · 1940 · age 48 · b. ~1892 · 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 — Stevens-County, Washington
Open full size
1940 US Federal Census — Stevens-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04364-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary F. Parker | 69 | Wife | — | New York |
| 42 | Leslie Graham | 28 | Head | Farmer | Idaho |
| 43 | Annie Graham | 11 | Dau | — | Washington |
| 44 | Francis Graham | 10 | Son | — | Washington |
| 45 | Florence Graham | 8 | Son | — | Washington |
| 46 | Charles Graham | 7 | Son | — | Washington |
| 47 | Pauline Graham | 5 | Dau | — | Washington |
| 48 | Isabel Martino | 71 | Head | — | Washington |
| 49 | Louis Peone | 55 | Head | — | Washington |
| 50 | Antoine Andrew | 46 | Head | Laborer | Washington |
| 51 | Cecilia Andrew | 18 | Wife | — | Washington |
| 52 | Joseph Andrew | 22 | Son | Laborer | Washington |
| 53 | Mamie J. Andrew | 12 | Dau | — | Washington |
| 54 | Albert Sam | 52 | Head | Farmer | Washington |
| 55 | Cecilia Sam | 64 | Wife | — | Washington |
| 56 | Agatha Peone | 96 | Mother | — | Washington |
| 57 | Tommy Haines | 6 | Adopted son | — | Washington |
| 58 | Isaac Thomas | 63 | Head | Laborer | Washington |
| 59 | Lucy Thomas THIS PERSON | 48 | Wife | — | Washington |
| 60 | Samuel Thomas | 15 | Son | — | Washington |
| 61 | Annie Thomas | 12 | Dau | — | Washington |
| 62 | Julia Thomas | 10 | Dau | — | Washington |
| 63 | Moses Williams | 20 | Son | Laborer | Washington |
| 64 | Virginia Williams | 21 | Dau | — | Washington |
| 65 | Louis Grinde | 42 | Head | Farmer | Minnesota |
| 66 | Lyda Grinde | 40 | Wife | — | Indiana |
| 67 | Dale Grinde | 19 | Son | — | Idaho |
| 68 | Donald Grinde | 18 | Son | Laborer | Idaho |
| 69 | Louis Grinde | 16 | Son | — | Oregon |
| 70 | Lloyd Grinde | 13 | Son | — | Washington |
| 71 | Marilyn Grinde | 10 | Dau | — | Washington |
| 72 | Joe Peters | 74 | Head | — | Washington |
| 73 | Annie Peters | 62 | Wife | — | Washington |
| 74 | Jessie Mathews | 20 | Adopted son | — | Washington |
| 75 | Walter Broncheau | 46 | Head | Farmer | Idaho |
| 76 | Daisy Broncheau | 44 | Wife | — | Washington |
| 77 | Joe Whithill | 15 | Nephew | — | Idaho |
| 78 | Claude D. Markee | 50 | Head | Farmer | Maine |
| 79 | Theodora Markee | 58 | Wife | — | Wisconsin |
| 80 | Francis Markee | 20 | Dau | — | Washington |
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)