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Douglas Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Idaho
Our Model Tree links this Douglas Smith across the 1930 and 1940 US Censuses in Madison-County, Idaho (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Idaho |
| Surname | Smith |
| Given Name | Douglas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Sugar City Village |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Sugar City Village |
| Est. Birth Year | ~1924 |
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 Douglas | Age | Birth yr |
|---|---|---|---|---|
| Douglas Smith | Son | — | 16 | ~1924 |
| Karma Smith | Daughter | — | 25 | ~1915 |
| Pauline Smith | Daughter | — | 12 | ~1928 |
| Doris Smith | Daughter | — | 14 | ~1926 |
| Pauline Smith | Spouse | — | 55 | ~1885 |
| David Smith | Head | — | 60 | ~1880 |
Census Appearances
1930
Madison, Idaho
Son, age 7
Madison, Idaho · implied b. ~1923 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Douglas E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Madison-County, Idaho
Son, age 16
Madison-County, Idaho · implied b. ~1924 — 6 household members
| Surname | Smith |
| Given Name | Douglas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Sugar City Village |
| 1935 Residence (County) | Madison |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Douglas Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Douglas Smith
Son · 1940 · age 16 · b. ~1924 · Idaho
★ You are viewing this record
Sibling
Doris Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Karma Smith
Sibling · 1940 · age 25
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 — Madison-County, Idaho
Open full size
1940 US Federal Census — Madison-County, Idaho
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00750-00824)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maud R Harris | 47 | Head | — | Idaho |
| 2 | Maud E Harris | 20 | Daughter | Housework | Idaho |
| 3 | Beulah Harris | 18 | Daughter | Waitress | Idaho |
| 4 | Grant Harris | 16 | Son | Farm Hand | Idaho |
| 5 | Aires Harris | 13 | Daughter | — | Idaho |
| 6 | Gordon Harris | 9 | Son | — | Idaho |
| 7 | Hoyle Harris | 7 | Son | — | Idaho |
| 8 | Renee Harris | 5 | Daughter | — | Idaho |
| 9 | Clayton C Naybarber | 26 | Head | Laborer | Kentucky |
| 10 | Bernice Naybarber | 19 | Wife | — | Idaho |
| 11 | Ronald Naybarber | 3 | Son | — | Idaho |
| 12 | Elizabeth Naybarber | 1 | Daughter | — | Idaho |
| 13 | Ruth Naybarber | 0 | Daughter | — | Idaho |
| 14 | Elwin E Park | 22 | Head | Potato Sorter | Idaho |
| 15 | Naomi Park | 21 | Wife | — | Idaho |
| 16 | David S Smith | 60 | Head | Laborer | Utah |
| 17 | Pauline Smith | 55 | Wife | — | Utah |
| 18 | Karma Smith | 25 | Daughter | Filing Clerk | Idaho |
| 19 | Douglas Smith THIS PERSON | 16 | Son | — | Idaho |
| 20 | Doris Smith | 14 | Daughter | — | Idaho |
| 21 | Pauline Smith | 12 | Daughter | — | Idaho |
| 22 | W. Joel Wootton | 48 | Head | Construction Foreman | Utah |
| 23 | Elsie M Wootton | 42 | Wife | — | Utah |
| 24 | E. Beth Wootton | 15 | Daughter | — | Idaho |
| 25 | W. Jack Wootton | 12 | Son | — | Idaho |
| 26 | Arla Marie Wootton | 6 | Daughter | — | Idaho |
| 27 | Dale W. Wootton | 4 | Son | — | Idaho |
| 28 | Thomas J. Wootton | 1 | Son | — | Idaho |
| 29 | Alma D Norton | 53 | Head | Sugar Boiler | Utah |
| 30 | Margaret Norton | 47 | Wife | — | Utah |
| 31 | Margaret Norton | 16 | Daughter | — | Idaho |
| 32 | William H Norton | 14 | Son | Beet Work | Idaho |
| 33 | H. Cheryl Norton | 7 | Daughter | — | Idaho |
| 34 | V. Gaston Cunningham | 48 | Head | Potato Sorter | Utah |
| 35 | Delpha H Cunningham | 49 | Wife | — | Idaho |
| 36 | Richard Cunningham | 13 | Son | — | Utah |
| 37 | Edward Raybould | 55 | Head | Farmer | Utah |
| 38 | Eva Raybould | 54 | Wife | — | Utah |
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)