ET
Elizabeth Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Deer-Lodge-County, Montana
Our Model Tree links this Elizabeth Thomas across the 1920, 1930 and 1940 US Censuses in Deer-Lodge-County, Montana (XGBoost, ~Confirmed), with identified parents Daniel & D — first a daughter (b.~1912), then head of a 2-person household.
Age 28
b. ~1912
Female
Daughter
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Deer-Lodge-County, Montana |
| Surname | Thomas |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 23 |
| Income (1939) | 500 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Stenographer |
| Township / Ward | Anaconda City |
| Est. Birth Year | ~1912 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Thomas | Daughter | — | 28 | ~1912 |
| D Thomas | Head | — | 51 | ~1889 |
Census Appearances
1920
Deer Lodge, …
Daughter, age 7
Deer Lodge, Montana · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Montana |
| Mother's Birthplace | Montana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Deer Lodge, …
Daughter, age 18
Deer Lodge, Montana · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Montana |
| Mother's Birthplace | Montana |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Deer-Lodge-County, Montana
Daughter, age 28
Deer-Lodge-County, Montana · implied b. ~1912 — 2 household members
| Surname | Thomas |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Anaconda City |
| 1935 Residence (County) | Deer Lodge |
| Occupation | Stenographer |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 23 |
| Income (1939) | 500 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Elizabeth Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Thomas (~0.92 confidence) and father D Thomas (~0.92 confidence) and mother Sarah Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Thomas
b. ~1883
Source father
● Household
· direct · ~0.92
Father
D Thomas
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Sarah Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Thomas
Daughter · 1940 · age 28 · b. ~1912 · Montana
★ 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 — Deer-Lodge-County, Montana
Open full size
1940 US Federal Census — Deer-Lodge-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02217-00646)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Blanche Carino | 30 | Wife | — | Montana |
| 42 | Eugene Carino | 13 | Son | — | Montana |
| 43 | Charles Mccarthy | 30 | Head | Operator | Montana |
| 44 | Gertrude Mccarthy | 28 | Wife | — | Montana |
| 45 | Charles Mccarthy | 2 | Son | — | Montana |
| 46 | Hamilton Eccleston | 32 | Head | Mill Man | Montana |
| 47 | Violet Eccleston | 31 | Wife | — | Finland |
| 48 | Ronald Eccleston | 4 | Son | — | Montana |
| 49 | John M. Johnson | 53 | Head | Dumper | Norway |
| 50 | Henry Riel | 54 | Head | Dumper | Germany |
| 51 | Theodore Thomas | 53 | Head | Electrician | California |
| 52 | Helen Thomas | 30 | Wife | — | Montana |
| 53 | Mary Duffy | 32 | Head | Dish Washer | Montana |
| 54 | Gene Duffy | 14 | Daughter | — | Montana |
| 55 | Joseph Duffy | 11 | Son | — | Montana |
| 56 | Alec R. Chelman | 27 | Head | Service Man | Montana |
| 57 | Mary Chelman | 23 | Wife | — | Montana |
| 58 | Alexander Peterson | 44 | Head | Repair Man | Colorado |
| 59 | Edith Peterson | 39 | Wife | — | Michigan |
| 60 | D. V. Thomas | 51 | Head | Fire Man | Montana |
| 61 | Elizabeth Thomas THIS PERSON | 28 | Daughter | Stenographer | Montana |
| 62 | James E. Durkin | 39 | Head | Fire Man | Massachusetts |
| 63 | Bridget Durkin | 70 | Mother | — | Ireland |
| 64 | Gerald Patterson | 25 | Head | Stationary Engineer | Montana |
| 65 | Ellison Patterson | 24 | Wife | — | Utah |
| 66 | Gerald B. Patterson | 3 | Son | — | Montana |
| 67 | Corajean Patterson | 1 | Daughter | — | Montana |
| 68 | Bridget Mccormick | 62 | Head | — | Ireland |
| 69 | Lillian Barry | 37 | Daughter | Teacher | Montana |
| 70 | Mayme Barry | 42 | Daughter | Teacher | Montana |
| 71 | Ingeborg Nelson | 55 | Head | — | Norway |
| 72 | Carl Nelson | 21 | Son | — | Montana |
| 73 | James D. Usher | 60 | Head | Loader | Wisconsin |
| 74 | Ida Usher | 59 | Wife | — | North Carolina |
| 75 | John Ulated | 59 | Head | Stripper | Minnesota |
| 76 | Matilda Ulated | 52 | Wife | — | Minnesota |
| 77 | Vernie Ulated | 24 | Son | Stripper | South Dakota |
| 78 | Clifford Ulated | 21 | Son | Millman | South Dakota |
| 79 | Ruben Ulated | 19 | Son | Mill-Man | South Dakota |
| 80 | Orlin Ulated | 17 | Son | — | North Dakota |
Pedigree Summary
Elizabeth
Gen 1 · 3 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)