WS
William Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ohio-County, Kentucky
Our Model Tree links this William Smith across the 1920, 1930 and 1940 US Censuses in Ohio-County, Kentucky (XGBoost, ~Confirmed), with identified parents Jim & James — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ohio-County, Kentucky |
| Surname | Smith |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ohio |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 55 |
| Highest Grade | 8 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Township / Ward | District 2 Centertown Magisterial |
| Est. Birth Year | ~1919 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Mary Smith | Daughter | — | 18 | ~1922 |
| Lois Smith | Daughter | — | 15 | ~1925 |
| James Smith | Head | — | 53 | ~1887 |
| William Smith | Son | — | 21 | ~1919 |
| Myrle Smith | Son | — | 10 | ~1930 |
| Rose Smith | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Ohio, Kentucky
Son, age
Ohio, Kentucky · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Ohio, Kentucky
Son, age 11
Ohio, Kentucky · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Ohio-County, Kentucky
Son, age 21
Ohio-County, Kentucky · implied b. ~1919 — 6 household members
| Surname | Smith |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ohio |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 55 |
| Highest Grade | 8 |
| 1935 Residence | Kentucky |
| 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 William Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jim Smith (~0.92 confidence) and father James Smith (~0.92 confidence) and father Jim Smith (~0.92 confidence) and mother Rosie Smith (~0.92 confidence) and mother Rose Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jim Smith
b. ~1887
Source father
● Household
· direct · ~0.92
Father
James Smith
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Jim Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Rosie Smith
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Rose Smith
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Smith
Son · 1940 · age 21 · b. ~1919 · Kentucky
★ You are viewing this record
Sibling
Myrle Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary 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 — Ohio-County, Kentucky
Open full size
1940 US Federal Census — Ohio-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01346-00198)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul W Traut | 7 | Son | — | Kentucky |
| 2 | Shelby R Traut | 5 | Son | — | Kentucky |
| 3 | Alvin R Traut | 2 | Daughter | — | Kentucky |
| 4 | James Smith | 53 | Head | Laborer | Kentucky |
| 5 | Rose Smith | 44 | Wife | — | Kentucky |
| 6 | William J Smith THIS PERSON | 21 | Son | Laborer | Kentucky |
| 7 | Mary R Smith | 18 | Daughter | — | Kentucky |
| 8 | Lois M Smith | 15 | Daughter | — | Kentucky |
| 9 | Myrle D Smith | 10 | Son | — | Kentucky |
| 10 | Ray Dodson | 52 | Head | Farmer | Kentucky |
| 11 | Minnie Dodson | 71 | Wife | — | Missouri |
| 12 | John H Ashley | 15 | Son | — | Kentucky |
| 13 | John M Stearman | 79 | Head | Farmer | Kentucky |
| 14 | Sue Stearman | 78 | Wife | — | Kentucky |
| 15 | Dick Stearman | 74 | Nephew | — | Kentucky |
| 16 | Alvin Stearman | 40 | Head | Farmer | Kentucky |
| 17 | Leora Stearman | 36 | Wife | — | Kentucky |
| 18 | Minnie Idleheart | 66 | Head | — | Kentucky |
| 19 | John Belfro | 31 | Head | Farmer | Kentucky |
| 20 | Jacob Idleheart | 72 | Head | Farmer | Kentucky |
| 21 | Byron Idleheart | 46 | Son | Laborer | Kentucky |
| 22 | Pauline Idleheart | 35 | Daughter in law | — | Kentucky |
| 23 | Lola F Idleheart | 13 | Granddaughter | — | Kentucky |
| 24 | Buford F Idleheart | 5 | Grandson | — | Kentucky |
| 25 | George Idleheart | 45 | Head | Farmer | Kentucky |
| 26 | Millie Idleheart | 67 | Mother | — | Kentucky |
| 27 | Homer Hacker | 81 | Head | Farmer | Kentucky |
| 28 | Mary Hacker | 71 | Wife | — | Kentucky |
| 29 | Berry Brown | 53 | Head | Farmer | Kentucky |
| 30 | Tessa Brown | 49 | Wife | — | Kentucky |
| 31 | Sam James | 40 | Head | Farmer | Kentucky |
| 32 | Marie James | 31 | Wife | — | Kentucky |
| 33 | Dallis R James | 13 | Son | — | Kentucky |
| 34 | Willie D James | 10 | Son | — | Kentucky |
| 35 | Wanda Fay James | 6 | Daughter | — | Kentucky |
| 36 | Edwin Lewis | 28 | Head | Farmer | Kentucky |
| 37 | Mary Lewis | 25 | Wife | — | Kentucky |
| 38 | Bettie J Lewis | 7 | Daughter | — | Kentucky |
| 39 | Patty Lewis | 3 | Daughter | — | Kentucky |
| 40 | Paul Hacker | 26 | Head | Farmer | Kentucky |
Pedigree Summary
William + 3 siblings
Gen 1 · 5 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)