OS
Opal Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knott-County, Kentucky
Our Model Tree links this Opal Smith across the 1930 and 1940 US Censuses in Knott-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1910), then head of a 9-person household.
Age 30
b. ~1910
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knott-County, Kentucky |
| Surname | Smith |
| Given Name | Opal |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magist. Dist. 1 |
| 1935 Residence (County) | Knott |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magist Dist 1 |
| Est. Birth Year | ~1910 |
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 Opal | Age | Birth yr |
|---|---|---|---|---|
| Opal Smith | Spouse | — | 30 | ~1910 |
| Brewy Smith | Son | — | 6 | ~1934 |
| Sherrill Smith | Son | — | 4 | ~1936 |
| Clauson Smith | Son | — | 10 | ~1930 |
| Haskell Smith | Son | — | 2 | ~1938 |
| Chester Smith | Head | — | 33 | ~1907 |
| Elsie Smith | Daughter | — | 12 | ~1928 |
| Evia Smith | Daughter | — | 11 | ~1929 |
| Louis Smith | Son | — | 8 | ~1932 |
Census Appearances
1930
Knott, Kentucky
Other, age 20
Knott, Kentucky · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Opal |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 16 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Knott-County, Kentucky
Spouse, age 30
Knott-County, Kentucky · implied b. ~1910 — 9 household members
| Surname | Smith |
| Given Name | Opal |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magist. Dist. 1 |
| 1935 Residence (County) | Knott |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Opal Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Opal Smith
Spouse · 1940 · age 30 · b. ~1910 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Knott-County, Kentucky
Open full size
1940 US Federal Census — Knott-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01326-00138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lannie Smith | 19 | Daughter | — | Kentucky |
| 2 | B. T. Moore | 77 | Head | Farmer | Kentucky |
| 3 | Ruby Moore | 14 | Daughter | — | Kentucky |
| 4 | Ailleen Moore | 13 | Daughter | — | Kentucky |
| 5 | R. B. Stewart | 42 | Head | Salesman | Kentucky |
| 6 | Rosy Lee Stewart | 44 | Wife | — | Kentucky |
| 7 | Howard Lee Stewart | 23 | Son | — | Kentucky |
| 8 | Shelby Stewart | 21 | Son | — | Kentucky |
| 9 | Edwin Stewart | 17 | Son | — | Kentucky |
| 10 | Mildred Stewart | 15 | Daughter | — | Kentucky |
| 11 | Elmer Stewart | 12 | Son | — | Kentucky |
| 12 | Jessie Stewart | 10 | Daughter | — | Kentucky |
| 13 | Raymond Stewart | 9 | Son | — | Kentucky |
| 14 | Laura Stewart | 5 | Daughter | — | Kentucky |
| 15 | Betty Stewart | 3 | Daughter | — | Kentucky |
| 16 | Sydney Stewart | 1 | Son | — | Kentucky |
| 17 | Chester Smith | 33 | Head | Stonemason | Kentucky |
| 18 | Opal Smith THIS PERSON | 30 | Wife | — | Kentucky |
| 19 | Elsie Smith | 12 | Daughter | — | Kentucky |
| 20 | Evia Smith | 11 | Daughter | — | Kentucky |
| 21 | Clauson Smith | 10 | Son | — | Kentucky |
| 22 | Louis Smith | 8 | Son | — | Kentucky |
| 23 | Brewy Smith | 6 | Son | — | Kentucky |
| 24 | Sherrill Smith | 4 | Son | — | Kentucky |
| 25 | Haskell Smith | 2 | Son | — | Kentucky |
| 26 | Lewis Gayheart | 39 | Head | Proprietor | Kentucky |
| 27 | Nelia Gayheart | 34 | Wife | — | Kentucky |
| 28 | Louise Gayheart | 13 | Daughter | — | Kentucky |
| 29 | Charleen Gayheart | 8 | Daughter | — | Kentucky |
| 30 | Thurman Gayheart | 3 | Son | — | Kentucky |
| 31 | Lee Gayheart | 67 | Head | Farmer | Kentucky |
| 32 | Lain Gayheart | 64 | Wife | — | Kentucky |
| 33 | Preston Gayheart | 34 | Son | Farm Laborer | Kentucky |
| 34 | Daniel Gayheart | 20 | Son | Farm Laborer | Kentucky |
| 35 | Essie Gayheart | 19 | Daughter | — | Kentucky |
| 36 | Denver Smith | 28 | Head | Farmer | Kentucky |
| 37 | Rebecca Smith | 29 | Wife | — | Kentucky |
| 38 | Francis Combs | 61 | Head | Farmer | Kentucky |
| 39 | Irax Jane Combs | 47 | Wife | — | Kentucky |
| 40 | Cradie Combs | 17 | Son | Farm Laborer | Kentucky |
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)