FT
Frank Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wasco-County, Oregon
Our Model Tree links this Frank Thomas across the 1920, 1930 and 1940 US Censuses in Wasco-County, Oregon (XGBoost, ~Confirmed), with identified parents Bertha & Warren — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wasco-County, Oregon |
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | West Dalles Precinct |
| 1935 Residence (County) | Wasco |
| Additional Details | |
| Occupation | Repairing scales |
| Industry | College Farm |
| Class of Worker | PW |
| Income (1939) | 4 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Repairing Scales |
| Township / Ward | West Dalles Precinct |
| Est. Birth Year | ~1915 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Warren Thomas | Head | — | 64 | ~1876 |
| Frank Thomas | Son | — | 25 | ~1915 |
| Bertha Thomas | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Wasco, Oregon
Son, age 5
Wasco, Oregon · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Wasco, Oregon
Son, age 15
Wasco, Oregon · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Wasco-County, Oregon
Son, age 25
Wasco-County, Oregon · implied b. ~1915 — 3 household members
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | West Dalles Precinct |
| 1935 Residence (County) | Wasco |
| Occupation | Repairing scales |
| Industry | College Farm |
| Class of Worker | PW |
| Income (1939) | 4 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 Frank Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bertha Thomas (~0.92 confidence) and father Warren Thomas (~0.92 confidence) and father Warren Thomas (~0.92 confidence) and father Fred Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bertha Thomas
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Warren Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Warren Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Fred Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
Frank Thomas
Son · 1940 · age 25 · b. ~1915 · Oregon
★ 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 — Wasco-County, Oregon
Open full size
1940 US Federal Census — Wasco-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03381-01256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virgil C. Anderson | 58 | Head | Manager | Oregon |
| 2 | Walter R. Bailey | 51 | Head | Manager | Washington |
| 3 | Mabel Bailey | 49 | Wife | — | Oregon |
| 4 | Donald W. Bailey | 22 | Son | Handy Man | Oregon |
| 5 | Bonnie J. Bailey | 20 | Daughter | — | Oregon |
| 6 | Gerald S. Bailey | 13 | Son | — | Oregon |
| 7 | John C. Mccallum | 40 | Head | Orchardist | Missouri |
| 8 | Neva Mccallum | 39 | Wife | Dining Room | Missouri |
| 9 | Harry Hoffman | 51 | Head | Orchardist | North Dakota |
| 10 | Anne Hoffman | 46 | Wife | — | Oregon |
| 11 | Nicholas Hoffman | 22 | Son | Laborer | Oregon |
| 12 | Constance Hoffman | 13 | Daughter | — | Oregon |
| 13 | Delores Hoffman | 8 | Daughter | — | Oregon |
| 14 | Earl Fowler | 27 | Head | Orchardist | Wyoming |
| 15 | Helen Fowler | 23 | Wife | — | Nebraska |
| 16 | Coaleen K. Fowler | 2 | Daughter | — | Oregon |
| 17 | Kenneth E. Zachary | 33 | Head | Orchardist | Oregon |
| 18 | Marie Zachary | 25 | Wife | — | Oregon |
| 19 | Sylvia M. Zachary | 1 | Daughter | — | Oregon |
| 20 | Warren W. Thomas | 64 | Head | Orchardist | California |
| 21 | Bertha Thomas | 65 | Wife | — | California |
| 22 | Frank Thomas THIS PERSON | 25 | Son | Repairing Scales | Idaho |
| 23 | Earl G. Ashbrook | 40 | Head | Laborer | Missouri |
| 24 | Lester Ashbrook | 10 | Son | — | Oregon |
| 25 | Henry Petersen | 43 | Head | Truck Driver | Oregon |
| 26 | Gladys Petersen | 40 | Wife | — | Oregon |
| 27 | John Petersen | 28 | Son | Laborer | Oregon |
| 28 | Marie Petersen | 18 | Daughter | Cherry Sorter | Oregon |
| 29 | Lewis Petersen | 17 | Son | Laborer | Oregon |
| 30 | Donald Petersen | 9 | Son | — | Oregon |
| 31 | George Francois | 44 | Head | Orchardist | Belgium |
| 32 | Mabel Francois | 33 | Wife | — | Oregon |
| 33 | Louis M. Morrow | 67 | Head | Farmer | Arkansas |
| 34 | Maude E. Morrow | 56 | Wife | — | Oregon |
| 35 | James Currie | 40 | Head | Orchardist | Michigan |
| 36 | Ruth Currie | 37 | Wife | Vegetable Packer | Colorado |
| 37 | Dora M. Currie | 13 | Daughter | — | Oregon |
| 38 | Dan E. Currie | 10 | Son | — | Oregon |
| 39 | Roy F. Marrs | 36 | Head | Laborer | Oregon |
| 40 | Velma Marrs | 31 | Wife | — | Washington |
Related Census Records
Pedigree Summary
Frank
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)