MS
Mary Sparks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Laurel-County, Kentucky
Our Model Tree links this Mary Sparks across the 1920, 1930 and 1940 US Censuses in Laurel-County, Kentucky (XGBoost, ~Confirmed), with identified parents William & Eugenia — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Laurel-County, Kentucky |
| Surname | Sparks |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | London city |
| Additional Details | |
| Highest Grade | C 4 |
| 1935 Residence | 6 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | London 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Sparks | Son | — | 25 | ~1915 |
| Ewing Sparks | Son | — | 22 | ~1918 |
| Mary Sparks | Daughter | — | 21 | ~1919 |
| Virginia Sparks | Head | — | 56 | ~1884 |
Census Appearances
1920
Laurel, Kentucky
Daughter, age
Laurel, Kentucky · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sparks |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| 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
Laurel, Kentucky
Daughter, age 11
Laurel, Kentucky · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sparks |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Laurel-County, Kentucky
Daughter, age 21
Laurel-County, Kentucky · implied b. ~1919 — 4 household members
| Surname | Sparks |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | London city |
| Highest Grade | C 4 |
| 1935 Residence | 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 Mary Sparks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Sparks (~0.92 confidence) and mother Eugenia Sparks (~0.92 confidence) and mother Virginia Sparks (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Sparks
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Eugenia Sparks
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Virginia Sparks
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Sparks
Daughter · 1940 · age 21 · b. ~1919 · Kentucky
★ You are viewing this record
Sibling
Ewing Sparks
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sparks
Sibling · 1940 · age 25
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 — Laurel-County, Kentucky
Open full size
1940 US Federal Census — Laurel-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01327-00307)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virginia Mullins | 25 | Wife | — | Virginia |
| 2 | Barbara R Mullins | 7 | Daughter | — | Ohio |
| 3 | Walter H Pennington | 42 | Head | Hospital | Kentucky |
| 4 | Katherine Pennington | 35 | Wife | — | Scotland |
| 5 | Russel L Baker | 52 | Head | W.P.A. Projects | Kentucky |
| 6 | Josephine Baker | 42 | Wife | — | Kentucky |
| 7 | William M Baker | 22 | Son | Public School | Kentucky |
| 8 | Betty Joe Ratcliff | 16 | Daughter | — | Kentucky |
| 9 | Idalia Grigsby | 24 | Lodger | Bookkeeper | Kentucky |
| 10 | Richard L Eversale | 49 | Head | — | Kentucky |
| 11 | Minnie Eversale | 45 | Wife | — | Kentucky |
| 12 | Kenneth Eversale | 25 | Son | — | Kentucky |
| 13 | Mary E Eversale | 13 | Daughter | — | Kentucky |
| 14 | James L Eversale | 11 | Son | — | Kentucky |
| 15 | Chester Scoville | 30 | Head | County | Kentucky |
| 16 | Elgene B Scoville | 23 | Wife | — | Kentucky |
| 17 | Barbara A Scoville | 5 | Daughter | — | Kentucky |
| 18 | Warren W Scoville | 2 | Son | — | Kentucky |
| 19 | Dora Howard | 18 | Maid | Private Home | Kentucky |
| 20 | John H Moren | 48 | Head | Church | Kentucky |
| 21 | Mabel Moren | 43 | Wife | — | Kentucky |
| 22 | Marluth Moren | 22 | Daughter | Private Office | Kentucky |
| 23 | Willma P Moren | 18 | Daughter | — | Kentucky |
| 24 | Kate C Boham | 65 | Head | — | Kentucky |
| 25 | Floyd L Blair | 51 | Head | Road Construction | Kentucky |
| 26 | Martha Blair | 51 | Wife | — | Kentucky |
| 27 | Virgil Blair | 27 | Head | Road Construction | Kentucky |
| 28 | Zelia Blair | 24 | Wife | — | Kentucky |
| 29 | Ronald Blair | 3 | Son | — | Kentucky |
| 30 | Ilinis L Sullivan | 28 | Head | File Clerk | Kentucky |
| 31 | Ruby Sullivan | 22 | Wife | — | Kentucky |
| 32 | Joe Jean Sullivan | 1 | Son | — | Kentucky |
| 33 | Virginia R Sparks | 56 | Head | — | Kentucky |
| 34 | William R Sparks | 25 | Son | N. Bank | Kentucky |
| 35 | Ewing T Sparks | 22 | Son | — | Kentucky |
| 36 | Mary E Sparks THIS PERSON | 21 | Daughter | — | Kentucky |
| 37 | Clyde E Greene | 32 | Head | Public School | Kentucky |
| 38 | Bessie M Greene | 30 | Wife | Garage | Kentucky |
| 39 | Maxwell Mary Greene | 66 | Mother | — | Kentucky |
| 40 | William H Harkleroad | 68 | Head | — | Kentucky |
Related Census Records
Pedigree Summary
Mary + 2 siblings
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)