DT
Doris Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lincoln-County, Colorado
Our Model Tree links this Doris Thomas across the 1930 and 1940 US Censuses in Lincoln-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Colorado |
| Surname | Thomas |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Arriba town |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Arriba Town |
| Est. Birth Year | ~1928 |
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 Doris | Age | Birth yr |
|---|---|---|---|---|
| Doris Thomas | Daughter | — | 12 | ~1928 |
| Thelma Thomas | Daughter | — | 19 | ~1921 |
| Cora Thomas | Spouse | — | 48 | ~1892 |
| Beverly Thomas | Daughter | — | 8 | ~1932 |
| Virginia Thomas | Daughter | — | 25 | ~1915 |
| Albert Thomas | Head | — | 53 | ~1887 |
Census Appearances
1930
Lincoln, Colorado
Daughter, age 2
Lincoln, Colorado · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Doris M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Lincoln-County, Colorado
Daughter, age 12
Lincoln-County, Colorado · implied b. ~1928 — 6 household members
| Surname | Thomas |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Arriba town |
| 1935 Residence (County) | Lincoln |
| Hours Worked | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Doris Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Doris Thomas
Daughter · 1940 · age 12 · b. ~1928 · Colorado
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Sibling
Beverly Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Thomas
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Thomas
Sibling · 1940 · age 25
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 — Lincoln-County, Colorado
Open full size
1940 US Federal Census — Lincoln-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00469-00083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Viola G. Eberle | 21 | Wife | — | Colorado |
| 2 | Larry L. Eberle | 1 | Son | — | Colorado |
| 3 | Jay H. Taughinbaugh | 49 | Head | — | Nebraska |
| 4 | Lina Taughinbaugh | 44 | Wife | Asst. Postmistress | Nebraska |
| 5 | Eudine Taughinbaugh | 18 | Daughter | — | Colorado |
| 6 | Carl W. Morgan | 28 | Head | Laborer | Missouri |
| 7 | Velma R. Morgan | 25 | Wife | Canner | Iowa |
| 8 | Billy G. Morgan | 1 | Son | — | Colorado |
| 9 | Harold F. Hartwell | 45 | Head | Farmer | South Dakota |
| 10 | Katherine A. Hartwell | 43 | Wife | House | South Dakota |
| 11 | Robert J. Hartwell | 19 | Son | Plasterer | South Dakota |
| 12 | Donald H. Hartwell | 17 | Son | — | Colorado |
| 13 | Mary Jane Hartwell | 12 | Daughter | — | Colorado |
| 14 | Henry J. Brown | 29 | Lodger | Teacher | Colorado |
| 15 | Victor P. Hutchins | 35 | Head | Pharmacist | Nebraska |
| 16 | Dorothy M. Hutchins | 28 | Wife | Nurse | Missouri |
| 17 | Thomas J. Hutchins | 3 | Son | — | Missouri |
| 18 | Cecil Winterrowd | 49 | Head | Proprietor | Missouri |
| 19 | Nina L. Winterrowd | 39 | Wife | Teacher | Illinois |
| 20 | Emmylu Winterrowd | 4 | Daughter | — | Colorado |
| 21 | Martha Ostberg | 35 | Sister-in-law | Housekeeper | Minnesota |
| 22 | Albert C. Thomas | 53 | Head | Patrolman | Missouri |
| 23 | Cora M. Thomas | 48 | Wife | — | Missouri |
| 24 | Virginia Thomas | 25 | Daughter | Clerk | Missouri |
| 25 | Thelma Thomas | 19 | Daughter | Housekeeper | Colorado |
| 26 | Doris Thomas THIS PERSON | 12 | Daughter | — | Colorado |
| 27 | Beverly Thomas | 8 | Daughter | — | Colorado |
| 28 | Earl T. Van Cleave | 42 | Head | Proprietor | Iowa |
| 29 | Grace E. Van Cleave | 39 | Wife | — | Colorado |
| 30 | Kenneth W. Van Cleave | 6 | Son | — | Colorado |
| 31 | Elizabeth F. Van Cleave | 3 | Daughter | — | Colorado |
| 32 | Libbie M. Van Cleave | 82 | Head | — | Canada-French |
| 33 | George John R. Rux | 42 | Head | Postmaster | Nebraska |
| 34 | Esther L. Rux | 35 | Wife | — | Iowa |
| 35 | Junior L. Rux | 9 | Son | — | Colorado |
| 36 | Carole L. Rux | 7 | Daughter | — | Colorado |
| 37 | Phyllis J. Rux | 5 | Daughter | — | Colorado |
| 38 | Linda J. Rux | 3 | Daughter | — | Colorado |
| 39 | Enid K. Rux | 2 | Daughter | — | Colorado |
| 40 | Jose G. R. Contreras | 26 | Head | Section Laborer | New Mexico |
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)