RT
Ray Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lewis-County, Idaho
Our Model Tree links this Ray Thomas across the 1910, 1920, 1930 and 1940 US Censuses in Lewis-County, Idaho (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a head (b.~1907), then head of a 6-person household.
Age 33
b. ~1907
Male
Head
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lewis-County, Idaho |
| Surname | Thomas |
| Given Name | Ray V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Nezperce Village |
| 1935 Residence (County) | Lewis |
| Additional Details | |
| Occupation | Railway Fireman |
| Industry | Steam Railway |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 1250 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Railway Fireman |
| Township / Ward | Nezperce Village |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ray | Age | Birth yr |
|---|---|---|---|---|
| Ray Thomas | Head | — | 33 | ~1907 |
| Dorothy Thomas | Daughter | — | 12 | ~1928 |
| Wayne Thomas | Son | — | 6 | ~1934 |
| Donald Thomas | Son | — | 11 | ~1929 |
| Lois Thomas | Spouse | — | 32 | ~1908 |
| Jenette Thomas | Daughter | — | 2 | ~1938 |
Census Appearances
1910
Nezperce, Idaho
Son, age 3
Nezperce, Idaho · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ray V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | English |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1920
Lewis, Idaho
Son, age 12
Lewis, Idaho · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ray V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Lewis, Idaho
Head, age 22
Lewis, Idaho · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ray |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Idaho |
| Age at First Marriage | 19 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Fireman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Radio Set | R |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Lewis-County, Idaho
Head, age 33
Lewis-County, Idaho · implied b. ~1907 — 6 household members
| Surname | Thomas |
| Given Name | Ray V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Nezperce Village |
| 1935 Residence (County) | Lewis |
| Occupation | Railway Fireman |
| Industry | Steam Railway |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 1250 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Ray Thomas across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Charles Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and mother Martha Thomas (~0.92 confidence) and mother Mattie Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thomas
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Martha Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mattie Thomas
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ray Thomas
Head · 1940 · age 33 · b. ~1907 · Idaho
★ 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 — Lewis-County, Idaho
Open full size
1940 US Federal Census — Lewis-County, Idaho
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-00750-00295)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Thomas | 63 | Wife | — | Iowa |
| 3 | Ray V. Thomas THIS PERSON | 33 | Head | Railway Fireman | Idaho |
| 4 | Lois A. Thomas | 32 | Wife | — | Illinois |
| 5 | Dorothy Thomas | 12 | Daughter | — | Idaho |
| 6 | Donald Thomas | 11 | Son | — | Idaho |
| 7 | Wayne Thomas | 6 | Son | — | Idaho |
| 8 | Jenette Thomas | 2 | Daughter | — | Idaho |
| 9 | Harry D. Mitchell | 75 | Head | — | Illinois |
| 10 | Emma D. Mitchell | 69 | Wife | — | Texas |
| 11 | Morris L. Mitchell | 47 | Son | Butcher | Texas |
| 12 | Ralph Mitchell | 35 | Son | Laborer | Texas |
| 14 | John M. Stanton | 53 | Head | Laborer | Tennessee |
| 15 | Pearl Stanton | 51 | Wife | — | Minnesota |
| 16 | Donald E. Stanton | 16 | Son | Laborer | Idaho |
| 17 | Mary L. Stanton | 12 | Daughter | — | Idaho |
| 19 | Paul Dempsey | 35 | Head | Superintendent | Arkansas |
| 20 | Mildred Dempsey | 37 | Wife | — | Idaho |
| 21 | Martha S. Dempsey | 3 | Daughter | — | Idaho |
| 22 | Carolyn Dempsey | 1 | Daughter | — | Idaho |
| 23 | Nicholas Lauer | 60 | Head | Hardware Store | Denmark |
| 24 | Hazel Lauer | 49 | Wife | — | Iowa |
| 25 | Clayton Lauer | 24 | Son | Radio Technician | Idaho |
| 26 | Ernest Bigger | 23 | Son-in-law | Clerk | Idaho |
| 27 | Viola Bigger | 21 | Daughter | — | Idaho |
| 28 | Lois Bigger | 0 | Daughter | — | Idaho |
| 29 | Tom D. Robinson | 71 | Head | — | Wisconsin |
| 31 | William Doggett | 42 | Head | Clerk | Idaho |
| 32 | Bessy Doggett | 41 | Wife | — | Washington |
| 33 | Thelma Doggett | 19 | Daughter | New Worker | Idaho |
| 34 | Bernita Doggett | 17 | Daughter | School | Idaho |
| 35 | John W. Doggett | 14 | Son | — | Idaho |
| 36 | Sherrill Doggett | 9 | Daughter | — | Idaho |
| 38 | Jacob H. Becker | 63 | Head | — | Germany |
| 39 | David Becker | 18 | Son | — | Idaho |
| 40 | Irene Becker | 10 | Daughter | — | Idaho |
Pedigree Summary
Ray
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)