ET
Earl Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montrose-County, Colorado
Our Model Tree links this Earl Thomas across the 1920, 1930 and 1940 US Censuses in Montrose-County, Colorado (XGBoost, ~Confirmed), with identified parents Adams & Elizabeth — first a head (b.~1899), then head of a 4-person household.
Age 41
b. ~1899
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montrose-County, Colorado |
| Surname | Thomas |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Ouray |
| 1935 Residence (County) | Ouray |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farmer |
| Township / Ward | Precinct 19 Unincorporated |
| Est. Birth Year | ~1899 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Ida Thomas | Spouse | — | 41 | ~1899 |
| Gary Thomas | Son | — | 8 | ~1932 |
| Earl Thomas | Head | — | 41 | ~1899 |
| Adam Thomas | Son | — | 13 | ~1927 |
Census Appearances
1920
Montrose, Colorado
Son, age 21
Montrose, Colorado · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Earl L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Stock Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Montrose, Colorado
Head, age 31
Montrose, Colorado · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 25 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Montrose-County, Colorado
Head, age 41
Montrose-County, Colorado · implied b. ~1899 — 4 household members
| Surname | Thomas |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Ouray |
| 1935 Residence (County) | Ouray |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Colorado |
| 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 Earl Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adams Thomas (~0.92 confidence) and mother Elizabeth Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adams Thomas
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Thomas
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Thomas
Head · 1940 · age 41 · b. ~1899 · Colorado
★ 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 — Montrose-County, Colorado
Open full size
1940 US Federal Census — Montrose-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00472-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Slayker | 25 | Head | Farmer | Colorado |
| 2 | Edward O. Slayker | 74 | Head | Farmer | New York |
| 3 | Cleo Slayker | 29 | Son | Salesman | Colorado |
| 4 | Lee A. O. Flowers | 58 | Head | Grocer | Missouri |
| 5 | Myrtle May Flowers | 50 | Wife | — | Missouri |
| 6 | Guy Flowers | 25 | Son | Farmer | Missouri |
| 7 | Glen Flowers | 24 | Son | Farmer | Missouri |
| 8 | Wilma Flowers | 21 | Daughter | Saleslady | Colorado |
| 9 | Wilbur Flowers | 18 | Son | Farmer | Colorado |
| 10 | Alice Flowers | 15 | Daughter | — | Colorado |
| 11 | Earl Thomas THIS PERSON | 41 | Head | Farmer | Colorado |
| 12 | Ida Thomas | 41 | Wife | — | Colorado |
| 13 | Adam Thomas | 13 | Son | — | Colorado |
| 14 | Gary Thomas | 8 | Son | — | Colorado |
| 15 | Elizabeth O. E. Fenton | 81 | Head | — | Kansas |
| 16 | Thomas Mayfield | 65 | Lodger | Miner | Nebraska |
| 17 | Abner Flowers | 48 | Head | Farmer | Missouri |
| 18 | Anna Flowers | 39 | Wife | — | Colorado |
| 19 | Nadine Flowers | 19 | Daughter | — | Colorado |
| 20 | Harold Flowers | 17 | Son | — | Colorado |
| 21 | Lorella Flowers | 15 | Daughter | — | Colorado |
| 22 | Lillian Flowers | 15 | Daughter | — | Colorado |
| 23 | Evelyn Flowers | 13 | Daughter | — | Colorado |
| 24 | Lola Jean Flowers | 11 | Daughter | — | Colorado |
| 25 | Vernie Earl Flowers | 7 | Son | — | Colorado |
| 26 | Larry Lee Flowers | 5 | Son | — | Colorado |
| 27 | Rollin Flowers | 41 | Head | Farmer | Missouri |
| 28 | Vera Flowers | 36 | Wife | — | Colorado |
| 29 | Myron Hutchins | 17 | Lodger | Farm Laborer | Canada |
| 30 | Homer Carr | 21 | Lodger | Janitor | Illinois |
| 31 | Josephine Adams | 23 | Lodger | Teacher | Colorado |
| 32 | Dexter Linsatt | 33 | Head | Farmer | Iowa |
| 33 | Margaret Linsatt | 28 | Wife | — | Colorado |
| 34 | Ruth Marie Linsatt | 13 | Daughter | — | Colorado |
| 35 | J. E. Atkins | 61 | Head | Iron Worker | Virginia |
| 36 | T. R. Wiggins | 73 | Head | — | Indiana |
| 37 | Claude V. Mills | 62 | Head | Farmer | Kansas |
| 38 | Myrtle Mills | 54 | Wife | — | Oklahoma |
| 39 | Essie Mills | 16 | Daughter | — | California |
| 40 | Effie Mills | 13 | Daughter | — | California |
Pedigree Summary
Earl
Gen 1 · 2 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)