SS
Sarah Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Kentucky
Our Model Tree links this Sarah Smith across the 1920, 1930 and 1940 US Censuses in Clay-County, Kentucky (XGBoost, ~Confirmed), with identified parents Alvin & Alvis — first a daughter (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Kentucky |
| Surname | Smith |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Bright Shade |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Bright Shade |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Edith Smith | Daughter | — | 18 | ~1922 |
| Sarah Smith | Daughter | — | 23 | ~1917 |
| Alvin Smith | Head | — | 69 | ~1871 |
| Charley Smith | Son | — | 21 | ~1919 |
Census Appearances
1920
Clay, Kentucky
Daughter, age 2
Clay, Kentucky · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sarah |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Clay, Kentucky
Daughter, age 12
Clay, Kentucky · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sarah |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 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
Clay-County, Kentucky
Daughter, age 23
Clay-County, Kentucky · implied b. ~1917 — 4 household members
| Surname | Smith |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Bright Shade |
| 1935 Residence (County) | Clay |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 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 Sarah Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alvin Smith (~0.92 confidence) and father Alvis Smith (~0.92 confidence) and father Alvis Smith (~0.92 confidence) and mother Julia Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alvin Smith
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Alvis Smith
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Alvis Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Julia Smith
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Sarah Smith
Daughter · 1940 · age 23 · b. ~1917 · Kentucky
★ You are viewing this record
Sibling
Charley Smith
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Smith
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 — Clay-County, Kentucky
Open full size
1940 US Federal Census — Clay-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01296-00587)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charley Smith | 25 | Brother | Labor | Kentucky |
| 42 | Cecil Smith | 18 | Brother | Labor | Kentucky |
| 43 | Lonzo Smith | 17 | Servant | Labor | Kentucky |
| 44 | Garrard Smith | 33 | Head | Farmer | Kentucky |
| 45 | Virgil Smith | 31 | Wife | Teacher | Kentucky |
| 46 | Lois Jean Smith | 9 | Daughter | — | Kentucky |
| 47 | Robert Leon Smith | 7 | Son | — | Kentucky |
| 48 | Clarence Smith | 31 | Head | Labor | Kentucky |
| 49 | Loma Smith | 29 | Wife | — | Kentucky |
| 50 | Charley Smith | 13 | Son | — | Kentucky |
| 51 | Monroe Smith | 11 | Son | — | Kentucky |
| 52 | Rhinnie Smith | 8 | Daughter | — | Kentucky |
| 53 | James Smith | 23 | Nephew | Labor | Kentucky |
| 54 | Jesse B. Smith | 33 | Head | Farmer | Kentucky |
| 55 | Clara B. Smith | 28 | Wife | — | Kentucky |
| 56 | Arnold Smith | 7 | Piece | — | Kentucky |
| 57 | Herman Smith | 3 | Nephew | — | Kentucky |
| 58 | Alvin D. Smith | 69 | Head | Farmer | Kentucky |
| 59 | Sarah Smith THIS PERSON | 23 | Daughter | — | Kentucky |
| 60 | Charley Smith | 21 | Son | Labor | Kentucky |
| 61 | Edith Smith | 18 | Daughter | — | Kentucky |
| 62 | Melchury Edwards | 26 | Head | Stone Mason | Kentucky |
| 63 | Effie Edwards | 29 | Wife | — | Kentucky |
| 64 | B. C. Edwards | 3 | Son | — | Kentucky |
| 65 | A. C. Edwards | 0 | Son | — | Kentucky |
| 66 | Nadean Edwards | 2 | Daughter | — | Kentucky |
| 67 | Richard A. Smith | 54 | Head | Farmer | Kentucky |
| 68 | Mary A. Smith | 57 | Wife | — | Kentucky |
| 69 | Loyd Smith | 21 | Son | Labor | Kentucky |
| 70 | Nancy J. Wagers | 64 | Sister-in-law | — | Kentucky |
| 71 | Walter Smith | 37 | Head | Labor | Kentucky |
| 72 | Rosie O. Smith | 39 | Wife | — | Kentucky |
| 73 | Doshie Smith | 19 | Daughter | — | Kentucky |
| 74 | Homer Smith | 17 | Son | Labor | Kentucky |
| 75 | Opla Smith | 14 | Son | Labor | Kentucky |
| 76 | L. T. Smith | 11 | Son | — | Kentucky |
| 77 | Mabel Smith | 5 | Daughter | — | Kentucky |
| 78 | E. R. Smith | 3 | Son | — | Kentucky |
| 79 | Enoch O. Smith | 86 | Head | — | Kentucky |
| 80 | Marget Smith | 74 | Wife | — | Kentucky |
Pedigree Summary
Sarah + 2 siblings
Gen 1 · 4 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)