ES
Effie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Kentucky
Our Model Tree links this Effie Smith across the 1930 and 1940 US Censuses in Knox-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 14-person household.
Age 17
b. ~1923
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Kentucky |
| Surname | Smith |
| Given Name | Effie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | No 6 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist No 5 |
| Est. Birth Year | ~1923 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Effie | Age | Birth yr |
|---|---|---|---|---|
| Abbie Smith | Daughter | — | 19 | ~1921 |
| Isabell Smith | Daughter | — | 5 | ~1935 |
| Alabama Jackson | Daughter | — | 21 | ~1919 |
| Ella Smith | Daughter | — | 3 | ~1937 |
| Effie Smith | Daughter | — | 17 | ~1923 |
| Axie Smith | Daughter | — | 11 | ~1929 |
| Taylor Smith | Head | — | 39 | ~1901 |
| Ellis Jackson | Other | — | ~1940 | |
| Estil Jackson | Other | — | 23 | ~1917 |
| John Smith | Son | — | 1 | ~1939 |
| Lincoln Smith | Son | — | 9 | ~1931 |
| Brandy Smith | Son | — | 7 | ~1933 |
| Richard Smith | Son | — | 14 | ~1926 |
| Mary Smith | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Knox, Kentucky
Daughter, age 6
Knox, Kentucky · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Effie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Knox-County, Kentucky
Daughter, age 17
Knox-County, Kentucky · implied b. ~1923 — 14 household members
| Surname | Smith |
| Given Name | Effie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (County) | Knox |
| Highest Grade | No 6 |
| 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 Effie Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Effie Smith
Daughter · 1940 · age 17 · b. ~1923 · Kentucky
★ You are viewing this record
Sibling
Axie Smith
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alabama Jackson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Smith
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabell Smith
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Smith
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lincoln Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abbie Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Brandy Smith
Sibling · 1940 · age 7
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 — Knox-County, Kentucky
Open full size
1940 US Federal Census — Knox-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01326-00996)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Tommy Gambriel | 2 | son | — | Kentucky |
| 2 | Leonard Gambriel | 32 | nephew | Farm | Kentucky |
| 3 | Taylor Smith | 39 | head | Farm | Kentucky |
| 4 | Mary Smith | 40 | wife | — | Kentucky |
| 5 | Abbie Smith | 19 | daughter | — | Kentucky |
| 6 | Effie Smith THIS PERSON | 17 | daughter | — | Kentucky |
| 7 | Richard Smith | 14 | son | Farm | Kentucky |
| 8 | Axie Smith | 11 | daughter | — | Kentucky |
| 9 | Lincoln Smith | 9 | son | — | Kentucky |
| 10 | Brandy Smith | 7 | son | — | Kentucky |
| 11 | Isabell Smith | 5 | daughter | — | Kentucky |
| 12 | Ella Smith | 3 | daughter | — | Kentucky |
| 13 | John Smith | 1 | son | — | Kentucky |
| 14 | Estil Jackson | 23 | son-in-law | Farm | Kentucky |
| 15 | Alabama Jackson | 21 | daughter | — | Kentucky |
| 16 | Ellis Jackson | 0 | grandson | — | Kentucky |
| 17 | Ben Sandlin | 22 | head | Farm | Kentucky |
| 18 | Nancy Sandlin | 22 | wife | — | Kentucky |
| 19 | Ross Sandlin | 4 | son | — | Kentucky |
| 20 | John E. Mcvey | 51 | head | Farm | Kentucky |
| 21 | America Mcvey | 47 | wife | — | Kentucky |
| 22 | Amelia Mcvey | 25 | daughter | — | Kentucky |
| 23 | Daniel Mcvey | 22 | son | Farm | Kentucky |
| 24 | Major Mcvey | 20 | son | Farm | Kentucky |
| 25 | Iva Lee Mcvey | 18 | daughter | — | Kentucky |
| 26 | Jim Mcvey | 14 | son | Farm | Kentucky |
| 27 | Abbie Mcvey | 13 | daughter | — | Kentucky |
| 28 | Mary Ellen Mcvey | 10 | daughter | — | Kentucky |
| 29 | Junior Mcvey | 7 | son | — | Kentucky |
| 30 | Birdie Mcvey | 4 | daughter | — | Kentucky |
| 31 | Lincoln Mcvey | 27 | head | Farm | Kentucky |
| 32 | Myrtle Mcvey | 19 | wife | — | Kentucky |
| 33 | Martha Mcvey | 2 | daughter | — | Kentucky |
| 34 | Bertha Mcvey | 0 | daughter | — | Kentucky |
| 35 | Woodson Brock | 32 | head | Farm | Kentucky |
| 36 | Fanny Brock | 27 | wife | — | Kentucky |
| 37 | Woodson Jr. Brock | 9 | son | — | Kentucky |
| 38 | Kenneth Brock | 7 | son | — | Kentucky |
| 39 | Clifton Brock | 5 | son | — | Kentucky |
| 40 | Gracie Brock | 2 | daughter | — | 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)