WS
Wallace Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Roosevelt-County, Montana
Our Model Tree links this Wallace Smith across the 1930 and 1940 US Censuses in Roosevelt-County, Montana (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Roosevelt-County, Montana |
| Surname | Smith |
| Given Name | Wallace |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Culbertson town |
| 1935 Residence (County) | Roosevelt |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Culbertson Town |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Wallace | Age | Birth yr |
|---|---|---|---|---|
| Hans Smith | Head | — | 37 | ~1903 |
| Lucile Smith | Spouse | — | 35 | ~1905 |
| Wayne Smith | Son | — | 4 | ~1936 |
| Eugene Smith | Son | — | 12 | ~1928 |
| Marilyn Smith | Daughter | — | 7 | ~1933 |
| Wallace Smith | Son | — | 13 | ~1927 |
| Elsie Smith | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Roosevelt, Montana
Son, age 4
Roosevelt, Montana · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Wallace H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Montana |
| Age at First Marriage | 4 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Roosevelt-County, Montana
Son, age 13
Roosevelt-County, Montana · implied b. ~1927 — 7 household members
| Surname | Smith |
| Given Name | Wallace |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Culbertson town |
| 1935 Residence (County) | Roosevelt |
| Highest Grade | No 7 |
| 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 Wallace Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Wallace Smith
Son · 1940 · age 13 · b. ~1927 · Montana
★ You are viewing this record
Sibling
Elsie Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Smith
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Smith
Sibling · 1940 · age 4
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 — Roosevelt-County, Montana
Open full size
1940 US Federal Census — Roosevelt-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02228-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mildred Nicholson | 38 | Wife | — | Iowa |
| 2 | Barbara Nicholson | 6 | daughter | — | Montana |
| 3 | Karen Nicholson | 3 | daughter | — | Montana |
| 4 | Cora Helton | 61 | Head | Seamstress | Iowa |
| 5 | Vandis Helton | 23 | Son | — | Missouri |
| 6 | Maude Nugent | 42 | Lodger | Cooks Helper | Montana |
| 7 | Vera Elliott | 23 | Lodger | Beauty Operator | N Dakota |
| 8 | Frank Wedge | 64 | Head | Laborer | S Dakota |
| 9 | Ida M. Wedge | 57 | Wife | — | Minnesota |
| 10 | Bernie Finnicum | 56 | Head | Coal Hauler | Illinois |
| 11 | May Finnicum | 50 | Wife | — | Wisconsin |
| 12 | Thomas Finnicum | 18 | Son | — | Montana |
| 13 | Bernie Jr Finnicum | 16 | Son | — | Montana |
| 14 | Curtis Finnicum | 12 | Son | — | Montana |
| 15 | Mary Finnicum | 9 | daughter | — | Montana |
| 16 | Robert H. Sterling | 37 | Head | County Agent | Oregon |
| 17 | Donna Sterling | 31 | Wife | — | Oregon |
| 18 | Carl M. Westby | 46 | Head | Manager | S Dakota |
| 19 | Ruth Westby | 40 | Wife | — | Minnesota |
| 20 | Carl M. Jr Westby | 12 | Son | — | S Dakota |
| 21 | Carol Westby | 12 | daughter | — | S Dakota |
| 22 | Harry M. Dale | 57 | Head | Lawyer | Canada-English |
| 23 | Chas C May | 62 | Head | Appraiser | Indiana |
| 24 | Florence May | 50 | Wife | — | Montana |
| 25 | Hans Smith | 37 | Head | Assistant Cashier | Denmark |
| 26 | Lucile Smith | 35 | Wife | — | Iowa |
| 27 | Wallace Smith THIS PERSON | 13 | Son | — | Montana |
| 28 | Eugene Smith | 12 | Son | — | Montana |
| 29 | Elsie Mae Smith | 10 | daughter | — | Montana |
| 30 | Marilyn Dawn Smith | 7 | daughter | — | Montana |
| 31 | Wayne Allen Smith | 4 | Son | — | Montana |
| 32 | Stanley Stephens | 30 | Head | Steel-Worker | Minnesota |
| 33 | Margaret Stephens | 29 | Wife | Clerk | Montana |
| 34 | Eston O Sletten | 43 | Head | Clerk | Norway |
| 35 | William R. Donahue | 56 | Head | Barber | Minnesota |
| 36 | Eugene Maxam | 77 | Head | Bartender | Wisconsin |
| 37 | Francis Maxam | 57 | Wife | — | Austria |
| 38 | Frank Maxam | 38 | Son | Proprietor | Montana |
| 39 | Idell Maxam | 32 | daughter-in-law | Teacher | Montana |
| 40 | Reginald Campin | 29 | Head | Principal | N Dakota |
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)