CS
Carl Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sanders-County, Montana
Our Model Tree links this Carl Smith across the 1930 and 1940 US Censuses in Sanders-County, Montana (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sanders-County, Montana |
| Surname | Smith |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sanders |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Montana |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | School District 9 |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Mabel Smith | Daughter | — | 17 | ~1923 |
| Glenda Smith | Daughter | — | 15 | ~1925 |
| Alice Smith | Daughter | — | 20 | ~1920 |
| Claribel Smith | Daughter | — | 14 | ~1926 |
| Sadie Smith | Daughter | — | 10 | ~1930 |
| Harry Smith | Head | — | 55 | ~1885 |
| Doris Evans | Other | — | 5 | ~1935 |
| Carl Smith | Son | — | 13 | ~1927 |
| Clara Smith | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Sanders, Montana
Son, age 3
Sanders, Montana · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Montana |
| Age at First Marriage | 3 |
| Father's Birthplace | Washington |
| Mother's Birthplace | Missouri |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Sanders-County, Montana
Son, age 13
Sanders-County, Montana · implied b. ~1927 — 9 household members
| Surname | Smith |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sanders |
| Highest Grade | 6 |
| 1935 Residence | Montana |
| 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 Carl Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Carl Smith
Son · 1940 · age 13 · b. ~1927 · Montana
★ You are viewing this record
Sibling
Alice Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claribel Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenda Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Smith
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sadie Smith
Sibling · 1940 · age 10
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 — Sanders-County, Montana
Open full size
1940 US Federal Census — Sanders-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02229-00140)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Marshall | 31 | Head | Laborer | Oregon |
| 42 | Haywood Wagoner | 49 | Lodger | Laborer | Texas |
| 43 | Charles Kennedy | 45 | Head | Farmer | Kansas |
| 44 | Sarah Kennedy | 25 | Wife | — | Arkansas |
| 45 | Ederest Campsen | 54 | Head | Laborer | New York |
| 46 | John B. Cope | 51 | Head | Salesman | Oklahoma |
| 47 | Harry Smith | 55 | Head | Farmer | Washington |
| 48 | Clara D. Smith | 51 | Wife | — | Missouri |
| 49 | Alice Smith | 20 | Daughter | — | Washington |
| 50 | Mabel Smith | 17 | Daughter | — | Montana |
| 51 | Glenda Smith | 15 | Daughter | — | Montana |
| 52 | Claribel Smith | 14 | Daughter | — | Montana |
| 53 | Carl Smith THIS PERSON | 13 | Son | — | Montana |
| 54 | Sadie Smith | 10 | Daughter | — | Montana |
| 55 | Doris Evans | 5 | Lodger | — | Montana |
| 56 | Londobin Ethel | 62 | Head | Farmer | Indiana |
| 57 | Marie Ethel | 56 | Wife | — | Indiana |
| 58 | Anton Schrier | 93 | Father in Law | — | Germany |
| 59 | Louis T. Quintal | 46 | Head | Laborer | Montana |
| 60 | Louise Quintal | 57 | Wife | — | Montana |
| 61 | Joseph Modrie | 74 | Head | Farmer | Canada |
| 62 | Ellen Modrie | 58 | Wife | — | Canada |
| 63 | Joseph J. Jr. Modrie | 37 | Son | Farmer | Montana |
| 64 | Alma Modrie | 32 | Daughter in Law | — | Montana |
| 65 | Doris May Modrie | 16 | Granddaughter | — | Montana |
| 66 | Joseph Iii Modrie | 14 | Grandson | — | Montana |
| 67 | Jean Modrie | 12 | Granddaughter | — | Montana |
| 68 | Marylin Modrie | 2 | Granddaughter | — | Montana |
| 69 | Alvin Thorson | 28 | Head | Farmer | South Dakota |
| 70 | Edith Thorson | 27 | Wife | — | Montana |
| 71 | Robert D. Thorson | 0 | Son | — | Montana |
| 72 | Baptiste Finley | 67 | Head | — | Montana |
| 73 | Peter Finley | 38 | Son | Farmer | Montana |
| 74 | Isabel Finley | 32 | Daughter in Law | — | Montana |
| 75 | Joseph Finley | 7 | Grandson | — | Montana |
| 76 | James Axelson | 65 | Head | Farmer | Denmark |
| 77 | Nellie Axelson | 55 | Wife | — | Sweden |
| 78 | Gerald E. Cantrel | 37 | Head | Farmer | Oregon |
| 79 | Wayne A. Modrie | 25 | Head | Farmer | Montana |
| 80 | Doris Modrie | 23 | Wife | — | Montana |
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)