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Thomas Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cascade-County, Montana
Our Model Tree links this Thomas Walker across the 1920, 1930 and 1940 US Censuses in Cascade-County, Montana (XGBoost, ~Confirmed), with identified parents Dora & Dora — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cascade-County, Montana |
| Surname | Walker |
| Given Name | Thomas S. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Great Falls |
| 1935 Residence (County) | Cascade |
| Additional Details | |
| Income (1939) | 275 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Great Falls |
| Est. Birth Year | ~1919 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Beverly Walker | Daughter | — | 12 | ~1928 |
| Carreen Walker | Daughter | — | 18 | ~1922 |
| Thomas Walker | Head | — | 49 | ~1891 |
| Phyllis Walker | Other | — | 21 | ~1919 |
| Thomas Walker | Son | — | 21 | ~1919 |
| Dora Walker | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cascade, Montana
Son, age 1
Cascade, Montana · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Cascade, Montana
Son, age 11
Cascade, Montana · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Cascade-County, Montana
Son, age 21
Cascade-County, Montana · implied b. ~1919 — 6 household members
| Surname | Walker |
| Given Name | Thomas S. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Great Falls |
| 1935 Residence (County) | Cascade |
| Income (1939) | 275 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| 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 Thomas Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Dora Walker (~0.92 confidence) and mother Dora Walker (~0.92 confidence) and father Thomas Walker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Dora Walker
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Dora Walker
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Thomas Walker
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thomas Walker
Son · 1940 · age 21 · b. ~1919 · Montana
★ You are viewing this record
Sibling
Beverly Walker
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carreen Walker
Sibling · 1940 · age 18
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 — Cascade-County, Montana
Open full size
1940 US Federal Census — Cascade-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02214-00790)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Reichel | 42 | Wife | Teacher | Minnesota |
| 42 | George R. Dietow | 28 | Head | Partner | Montana |
| 43 | Gladys Dietow | 26 | Wife | — | Montana |
| 44 | George W. Dietow | 4 | Son | — | Montana |
| 45 | M. C. Mclaughline | 48 | Head | Contractor | England |
| 46 | Stella Mclaughline | 47 | Wife | — | South Dakota |
| 47 | Joan Mclaughline | 14 | Daughter | — | Montana |
| 48 | James Mclaughline | 10 | Son | — | California |
| 49 | Hilda E. Wutzke | 26 | Servant | House Maid | North Dakota |
| 50 | Richard Day | 47 | Head | Wheat Grower | Minnesota |
| 51 | Gertrude Day | 47 | Wife | — | Minnesota |
| 52 | Richard Jr. Day | 17 | Son | — | Montana |
| 53 | W. W. Huntsberger | 60 | Head | President | Ohio |
| 54 | Ray Huntsberger | 20 | Son | Laborer | Montana |
| 55 | W. W. Jr. Huntsberger | 22 | Son | Auditor | Montana |
| 56 | Betty Huntsberger | 23 | Daughter-in-law | — | Tennessee |
| 57 | Clara Jane Huntsberger | 2 | Granddaughter | — | Montana |
| 58 | Lucille O'Leyar | 17 | Servant | Servant | Montana |
| 59 | William J. Chamberlain | 52 | Head | Electrician | Illinois |
| 60 | Madge Chamberlain | 43 | Wife | Operator | Illinois |
| 61 | Charles Dawley | 43 | Head | Manager | Minnesota |
| 62 | Thelma Dawley | 42 | Wife | — | Illinois |
| 63 | James Dawley | 17 | Son | — | Illinois |
| 64 | Lornadoue Dawley | 12 | Daughter | — | Montana |
| 65 | Russell Wallace | 46 | Head | Manager | England |
| 66 | Edith Wallace | 35 | Wife | — | Montana |
| 67 | Glenn F. Davis | 59 | Head | Salesman | Wisconsin |
| 68 | Ida N. Davis | 57 | Wife | — | Wisconsin |
| 69 | Marilyn Davis | 7 | Daughter | — | Montana |
| 70 | William H. Davis | 5 | Son | — | Montana |
| 71 | Robert J. Davis | 4 | Son | — | Montana |
| 72 | Edwin Mathieson | 47 | Head | Certified Public Accountant | Nebraska |
| 73 | C. Fay Mathieson | 44 | Wife | — | Ohio |
| 74 | Mary Helen Mathieson | 16 | Daughter | — | Montana |
| 75 | Thomas S. Walker | 49 | Head | Medical Doctor | Colorado |
| 76 | Dora Walker | 53 | Wife | Medical Doctor | Kansas |
| 77 | Carreen Walker | 18 | Daughter | — | Montana |
| 78 | Beverly Walker | 12 | Daughter | — | Montana |
| 79 | Thomas S. Jr. Walker THIS PERSON | 21 | Son | — | Colorado |
| 80 | Phyllis Walker | 21 | Daughter-in-law | — | Montana |
Pedigree Summary
Thomas + 2 siblings
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)