MS
Mildred Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mildred Smith across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents John & Charles — first a spouse (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Smith |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Joseph Smith | Head | — | 25 | ~1915 |
| Joseph Smith | Son | — | 1 | ~1939 |
| Mildred Smith | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age
Jefferson, Kentucky · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Jefferson, Kentucky
Daughter, age 10
Jefferson, Kentucky · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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
Jefferson-County, Kentucky
Spouse, age 21
Jefferson-County, Kentucky · implied b. ~1919 — 3 household members
| Surname | Smith |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| 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 Mildred Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Smith (~0.92 confidence) and father Charles Smith (~0.92 confidence) and mother Lilly Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Smith
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Lilly Smith
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Smith
Spouse · 1940 · age 21 · b. ~1919 · Kentucky
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-01375-00520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margie K. Thurman | 3 | Daughter | — | Kentucky |
| 2 | Durward Toms | 25 | Head | Salesman | Kentucky |
| 3 | Ruby Toms | 21 | Wife | Machine Operator | Kentucky |
| 4 | James R. Athro | 55 | Head | Stationary Fireman | Kentucky |
| 5 | Addie Athro | 43 | Wife | — | Kentucky |
| 6 | Ava Athro | 19 | Daughter | — | Kentucky |
| 7 | Hayward Athro | 17 | Son | — | Kentucky |
| 8 | Maynard Athro | 15 | Son | — | Kentucky |
| 9 | Adolph Knoblauch | 69 | Head | — | Germany |
| 10 | Elizabeth Knoblauch | 63 | Wife | — | Indiana |
| 11 | George R. Johnson | 41 | Head | Detective | Kentucky |
| 12 | Jennie B. Johnson | 31 | Wife | — | Kentucky |
| 13 | Joseph E. Smith | 25 | Head | Tobacco Bulker | Kentucky |
| 14 | Mildred Smith THIS PERSON | 21 | Wife | — | Kentucky |
| 15 | Joseph E. Jr. Smith | 1 | Son | — | Kentucky |
| 16 | Pearl French | 50 | Head | — | Kentucky |
| 17 | Bernard French | 19 | Son | House Painter | Kentucky |
| 18 | John French | 15 | Son | — | Kentucky |
| 19 | Lorene French | 13 | Daughter | — | Kentucky |
| 20 | Margaret French | 12 | Daughter | — | Kentucky |
| 21 | Cecil K. Smith | 29 | Head | Plumber | Ohio |
| 22 | Nettie L. Smith | 27 | Wife | — | Kentucky |
| 23 | Martha A. Smith | 10 | Daughter | — | Kentucky |
| 24 | Eva L. Smith | 4 | Daughter | — | Kentucky |
| 25 | Lillie Stephens | 60 | Mother-in-law | — | Kentucky |
| 26 | James S. Smith | 50 | Head | Maintenance Man | Kentucky |
| 27 | Mary E. Smith | 50 | Wife | Jailtress | Kentucky |
| 28 | Joseph E. Smith | 21 | Son | Book Binder | Kentucky |
| 29 | Catherine E. Smith | 18 | Daughter | New Worker | Kentucky |
| 30 | James S. Jr. Smith | 15 | Son | — | Kentucky |
| 31 | Charles B. Smith | 13 | Son | — | Kentucky |
| 32 | Francis M. Hampton | 46 | Head | Fireman | Kentucky |
| 33 | Parrie L. Hampton | 44 | Wife | — | Kentucky |
| 34 | Carole B. Hampton | 14 | Daughter | — | Kentucky |
| 35 | Agnes J. Hampton | 7 | Daughter | — | Kentucky |
| 36 | Beverly C. Hampton | 2 | Daughter | — | Kentucky |
| 37 | Charles Routh | 24 | Head | Fireman | Kentucky |
| 38 | Helen Routh | 29 | Wife | — | Kentucky |
| 39 | Charles H. Routh | 3 | Son | — | Kentucky |
| 40 | Conley D. Jeffries | 38 | Head | Mill Operator | Kentucky |
Pedigree Summary
Mildred
Gen 1 · 3 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)