HT
Helen Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · La-Plata-County, Colorado
Our Model Tree links this Helen Thompson across the 1920, 1930 and 1940 US Censuses in La-Plata-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | La-Plata-County, Colorado |
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | La Plata |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Colorado |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Precinct 24 Oxford |
| Est. Birth Year | ~1889 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Charles Thompson | Head | — | 58 | ~1882 |
| Albert Thompson | Son | — | 17 | ~1923 |
| Charles Thompson | Son | — | 26 | ~1914 |
| Helen Thompson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
La Plata, …
Spouse, age 30
La Plata, Colorado · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
La Plata, …
Spouse, age 41
La Plata, Colorado · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Helen H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 17 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General farming |
| Class of Worker | E |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
La-Plata-County, Colorado
Spouse, age 51
La-Plata-County, Colorado · implied b. ~1889 — 4 household members
| Surname | Thompson |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | La Plata |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Colorado |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Helen Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Helen Thompson
Spouse · 1940 · age 51 · b. ~1889 · 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 — La-Plata-County, Colorado
Open full size
1940 US Federal Census — La-Plata-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00466-01097)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Forest Mccaw | 38 | Head | Farmer | Kansas |
| 2 | Amie B Mccaw | 36 | Wife | — | Kansas |
| 3 | Le Roy (Ab) Mccaw | 16 | Son | — | Colorado |
| 4 | Robert Mccaw | 5 | Son | — | Colorado |
| 5 | Wayne A Mccaw | 41 | Head | Farmer | Kansas |
| 6 | Blanche Mccaw | 38 | Wife | — | Colorado |
| 7 | Merle (Ab) Mccaw | 18 | Son | — | Colorado |
| 8 | Rebecca Mcnulty | 69 | Head | — | Indiana |
| 9 | Fred Cox | 28 | Head | Farm Laborer | Colorado |
| 10 | Ruth Cox | 26 | Wife | — | Utah |
| 11 | Darlene Cox | 4 | Daughter | — | Colorado |
| 12 | Albert Cox | 2 | Son | — | Colorado |
| 13 | John D Grice | 38 | Head | Farm Laborer | Oklahoma |
| 14 | Lillie Grice | 31 | Wife | — | Oklahoma |
| 15 | Keith H Grice | 14 | Son | — | Colorado |
| 16 | Joe B Grice | 4 | Son | — | Colorado |
| 17 | Dorey Lee Grice | 2 | Daughter | — | Colorado |
| 18 | John P D Olbert | 37 | Head | Farm Operator | Colorado |
| 19 | Dorothy Olbert | 29 | Wife | — | Colorado |
| 20 | Philip Olbert | 5 | Son | — | Colorado |
| 21 | John Olbert | 3 | Son | — | Colorado |
| 22 | Donald Olbert | 2 | Son | — | Colorado |
| 23 | Margartha Olbert | 61 | Head | — | Germany |
| 24 | Ernest Olbert | 39 | Son | Farm Operator | Colorado |
| 25 | Ramon D Maestas | 35 | Head | Laborer | New Mexico |
| 26 | Estrella Maestas | 32 | Wife | — | New Mexico |
| 27 | Ramon Jr Maestas | 12 | Son | — | Colorado |
| 28 | Philip A Maestas | 10 | Daughter | — | Colorado |
| 29 | Ramona Maestas | 9 | Daughter | — | New Mexico |
| 30 | Louis Maestas | 6 | Son | — | Colorado |
| 31 | Rosalia Maestas | 3 | Daughter | — | Colorado |
| 32 | Lucia Maestas | 2 | Daughter | — | Colorado |
| 33 | Charles W Thompson | 58 | Head | Farm Operator | Kansas |
| 34 | Helen Thompson THIS PERSON | 51 | Wife | — | Illinois |
| 35 | Charles Jr Thompson | 26 | Son | Farm Laborer | Colorado |
| 36 | Albert Thompson | 17 | Son | Farm Laborer | Colorado |
| 37 | Ralph E Rea | 38 | Head | Farm Laborer | Colorado |
| 38 | Margaret Rea | 15 | Daughter | — | Colorado |
| 39 | Ralph Jr Rea | 13 | Son | — | Colorado |
| 40 | Earl Rea | 11 | Son | — | Colorado |
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)