SS
Shirley Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Shirley Smith across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Mary & Vincent — first a son (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Smith |
| Given Name | Shirley |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Hours Worked | 60 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1906 |
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 Shirley | Age | Birth yr |
|---|---|---|---|---|
| Leona Smith | Daughter | — | 38 | ~1902 |
| Kenneth Smith | Son | — | 36 | ~1904 |
| Shirley Smith | Son | — | 34 | ~1906 |
| Mary Smith | Spouse | — | 69 | ~1871 |
Census Appearances
1910
Jefferson, Kentucky
Son, age 4
Jefferson, Kentucky · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Shirley J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Jefferson, Kentucky
Son, age 14
Jefferson, Kentucky · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Shirley |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 24
Jefferson, Kentucky · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Shirley |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 34
Jefferson-County, Kentucky · implied b. ~1906 — 4 household members
| Surname | Smith |
| Given Name | Shirley |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Hours Worked | 60 |
| Highest Grade | Hs 2 |
| 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 Shirley Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Smith (~0.92 confidence) and father Vincent Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Smith
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Vincent Smith
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Shirley Smith
Son · 1940 · age 34 · b. ~1906 · Kentucky
★ You are viewing this record
Sibling
Leona Smith
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Smith
Sibling · 1940 · age 36
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01369-00678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Smith | 69 | Wife | — | Kentucky |
| 2 | Leona Smith | 38 | Daughter | Librarian | Kentucky |
| 3 | Kenneth Smith | 36 | Son | — | Kentucky |
| 4 | Shirley Smith THIS PERSON | 34 | Son | — | Kentucky |
| 5 | Robert Pedley | 36 | Head | Bank Teller | Kentucky |
| 6 | May Pedley | 32 | Wife | — | Kentucky |
| 7 | Dorothy Pedley | 11 | Daughter | — | Kentucky |
| 8 | Jean Pedley | 7 | Daughter | — | Kentucky |
| 9 | Arnell Pedley | 5 | Son | — | Kentucky |
| 10 | Kenneth Pedley | 4 | Son | — | Kentucky |
| 11 | Albert Willis | 53 | Head | Manager | Kentucky |
| 12 | Bertha Willis | 53 | Wife | — | Kentucky |
| 13 | Maurice Grum | 34 | Head | Draft Clerk | Kentucky |
| 14 | Bertha Grum | 38 | Wife | — | Kentucky |
| 15 | Maurice Grum | 13 | Son | — | Kentucky |
| 16 | Lillian Bayard | 32 | Lodger | Secretary | Kentucky |
| 17 | Sam Gore | 47 | Head | — | Kentucky |
| 18 | Alice Gore | 50 | Wife | — | Kentucky |
| 19 | Abner Gore | 18 | Son | — | Kentucky |
| 20 | Elizabeth Gore | 15 | Daughter | — | Kentucky |
| 22 | Newman Bowles | 41 | Head | Fireman | Kentucky |
| 23 | Angela Bowles | 33 | Wife | — | Kentucky |
| 24 | William Bowles | 11 | Son | — | Kentucky |
| 25 | Doris Bowles | 10 | Daughter | — | Kentucky |
| 26 | Newman Bowles | 4 | Son | — | Kentucky |
| 27 | David Bowles | 3 | Son | — | Kentucky |
| 28 | Mary Cooper | 12 | Lodger | — | Kentucky |
| 29 | Robert Allen | 29 | Head | Teacher | Kentucky |
| 30 | Maud Allen | 61 | Mother | — | Kentucky |
| 31 | Lula Parkinson | 61 | Head | — | Kentucky |
| 32 | Margaret Parkinson | 25 | Daughter | Saleslady | Tennessee |
| 33 | Harry Huff | 25 | Head | Salesman | Kentucky |
| 34 | Hazel Huff | 25 | Wife | — | Kentucky |
| 35 | Harvey Huff | 2 | Son | — | Kentucky |
| 36 | Frank Annybecker | 31 | Head | Dentist | Kentucky |
| 37 | Alice Annybecker | 31 | Wife | Operator | Kentucky |
| 38 | Lillian Gordon | 50 | Mother in law | — | Kentucky |
| 39 | Elizabeth St Claire | 71 | Head | — | Kentucky |
| 40 | Alma St Claire | 46 | Daughter | Librarian | Kentucky |
Pedigree Summary
Shirley + 2 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)