MS
Mary Sparks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Johnson-County, Kentucky
Our Model Tree links this Mary Sparks across the 1930 and 1940 US Censuses in Johnson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Kentucky |
| Surname | Sparks |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Lomanville |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sammie Sparks | Son | — | 11 | ~1929 |
| Alice Sparks | Daughter | — | 2 | ~1938 |
| George Sparks | Son | — | 5 | ~1935 |
| Solva Sparks | Head | — | 40 | ~1900 |
| Jerry Sparks | Daughter | — | 8 | ~1932 |
| Zora Sparks | Spouse | — | 36 | ~1904 |
| Lowell Sparks | Son | — | ~1940 | |
| Homer Sparks | Son | — | 14 | ~1926 |
| Mary Sparks | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Johnson, Kentucky
Daughter, age 7
Johnson, Kentucky · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sparks |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| 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
Johnson-County, Kentucky
Daughter, age 17
Johnson-County, Kentucky · implied b. ~1923 — 9 household members
| Surname | Sparks |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lawrence |
| Highest Grade | No 7 |
| 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 Mary Sparks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sparks
Daughter · 1940 · age 17 · b. ~1923 · Kentucky
★ You are viewing this record
Sibling
George Sparks
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Sparks
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Homer Sparks
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sammie Sparks
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lowell Sparks
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Sparks
Sibling · 1940 · age 8
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 — Johnson-County, Kentucky
Open full size
1940 US Federal Census — Johnson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01322-00859)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Tackett | 8 | daughter | — | Kentucky |
| 42 | Ruth Alice Tackett | 6 | daughter | — | Kentucky |
| 43 | Floyd Cecil Tackett | 4 | son | — | Kentucky |
| 44 | Delores Jean Tackett | 2 | daughter | — | Kentucky |
| 45 | Pansie Lawson | 42 | Head | Farmer | Kentucky |
| 46 | Lucinda Lawson | 36 | wife | — | Kentucky |
| 47 | Millard Lawson | 20 | son | Carpenter | Kentucky |
| 48 | Banner Lawson | 16 | daughter | — | Kentucky |
| 49 | Lanie Lawson | 14 | daughter | — | Kentucky |
| 50 | Ernie Lawson | 12 | son | — | Kentucky |
| 51 | Ruford Lawson | 9 | son | — | Kentucky |
| 52 | Ethel Lawson | 6 | daughter | — | Kentucky |
| 53 | Lillie Lawson | 4 | daughter | — | Kentucky |
| 54 | Lee Lawson | 1 | son | — | Kentucky |
| 55 | Almeda Lawson | 66 | mother | — | Kentucky |
| 56 | Solva Sparks | 40 | Head | Farmer | Kentucky |
| 57 | Zora Sparks | 36 | wife | — | Kentucky |
| 58 | Mary Jane Sparks THIS PERSON | 17 | daughter | — | Kentucky |
| 59 | Homer Sparks | 14 | son | Farmer | Kentucky |
| 60 | Sammie Sparks | 11 | son | — | Kentucky |
| 61 | Jerry Lou Sparks | 8 | daughter | — | Kentucky |
| 62 | George Ray Sparks | 5 | son | — | Kentucky |
| 63 | Alice Sparks | 2 | daughter | — | Kentucky |
| 64 | Lowell Kenneth Sparks | 0 | son | — | Kentucky |
| 65 | Julius Burchett | 53 | Head | Farmer | Kentucky |
| 66 | Ellen Burchett | 32 | wife | — | Kentucky |
| 67 | Fannie Burchett | 5 | daughter | — | Kentucky |
| 68 | Woodrow Akers | 16 | son | Farmer | Kentucky |
| 69 | Bessie Akers | 12 | daughter | — | Kentucky |
| 70 | Alafair Burchett | 27 | niece | — | Kentucky |
| 71 | Harold Stevens | 15 | nephew | — | Kentucky |
| 72 | Harry Edward Burchett | 5 | nephew | — | Kentucky |
| 73 | Elijah Preston | 56 | Head | Road Worker | Kentucky |
| 74 | Thursa Preston | 54 | wife | — | Kentucky |
| 75 | Gypsy Preston | 19 | daughter | — | Kentucky |
| 76 | Joe Brown | 58 | Head | Farmer | Kentucky |
| 77 | Josie Brown | 43 | wife | — | Kentucky |
| 78 | Willard Brown | 20 | son | — | Kentucky |
| 79 | Ira Sparks | 31 | Head | Road Worker | Kentucky |
| 80 | Malissa Sparks | 29 | wife | — | 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)