MS
Mary Sparks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rowan-County, Kentucky
Our Model Tree links this Mary Sparks across the 1930 and 1940 US Censuses in Rowan-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 9-person household.
Age 34
b. ~1906
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rowan-County, Kentucky |
| Surname | Sparks |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District No 3 |
| 1935 Residence (County) | Rowan |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District No 3 |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Reba Sparks | Daughter | — | 8 | ~1932 |
| Margaret Sparks | Daughter | — | 13 | ~1927 |
| Bessie Sparks | Daughter | — | 3 | ~1937 |
| Elizabeth Sparks | Daughter | — | 10 | ~1930 |
| Len Sparks | Head | — | 39 | ~1901 |
| Flossie Sparks | Daughter | — | 5 | ~1935 |
| Mary Sparks | Spouse | — | 34 | ~1906 |
| Junior Sparks | Son | — | 12 | ~1928 |
| Jackie Sparks | Son | — | 1 | ~1939 |
Census Appearances
1930
Rowan, Kentucky
Other, age 24
Rowan, Kentucky · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sparks |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 20 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Rowan-County, Kentucky
Spouse, age 34
Rowan-County, Kentucky · implied b. ~1906 — 9 household members
| Surname | Sparks |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District No 3 |
| 1935 Residence (County) | Rowan |
| Highest Grade | No 4 |
| 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 Mary Sparks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sparks
Spouse · 1940 · age 34 · b. ~1906 · 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 — Rowan-County, Kentucky
Open full size
1940 US Federal Census — Rowan-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01354-00224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe Sparkman | 14 | Son | — | Kentucky |
| 2 | Rodney Sparkman | 6 | Son | — | Kentucky |
| 3 | Wiley Conley | 57 | Head | — | Kentucky |
| 4 | Mandy Conley | 38 | Wife | — | Kentucky |
| 5 | Silvesta Conley | 18 | Son | Farm Labor | Kentucky |
| 6 | Clyde Conley | 28 | Head | Labor | Kentucky |
| 7 | Reba Conley | 28 | Wife | — | Kentucky |
| 8 | Wiley Conley | 5 | Son | — | Kentucky |
| 9 | Mandy H Conley | 2 | Daughter | — | Kentucky |
| 10 | Len Sparks | 39 | Head | Clean Floors | Kentucky |
| 11 | Mary Sparks THIS PERSON | 34 | Wife | — | Kentucky |
| 12 | Margaret Sparks | 13 | Daughter | — | Kentucky |
| 13 | Junior Sparks | 12 | Son | — | Kentucky |
| 14 | Elizabeth Sparks | 10 | Daughter | — | Kentucky |
| 15 | Reba Sparks | 8 | Daughter | — | Kentucky |
| 16 | Flossie Sparks | 5 | Daughter | — | Kentucky |
| 17 | Bessie Sparks | 3 | Daughter | — | Kentucky |
| 18 | Jackie Sparks | 1 | Son | — | Kentucky |
| 19 | Earl Withrow | 31 | Head | Moulds Blocks | Kentucky |
| 20 | Reba Withrow | 28 | Wife | — | Kentucky |
| 21 | Wanda Withrow | 4 | Daughter | — | Kentucky |
| 22 | Shirley Withrow | 3 | Daughter | — | Kentucky |
| 23 | Deta M. Withrow | 3 | Daughter | — | Kentucky |
| 24 | Tina Withrow | 67 | Mother | — | Kentucky |
| 25 | Ruth Mccalister | 20 | Maid | Maid | Kentucky |
| 26 | Noey Fergson | 42 | Head | Fireman | Kentucky |
| 27 | Ollie Fergson | 44 | Wife | — | Kentucky |
| 28 | Eugene Fergson | 11 | Son | — | Kentucky |
| 29 | Noey Fergson | 9 | Son | — | Kentucky |
| 30 | Clayton Fergson | 7 | Son | — | Kentucky |
| 31 | Daniel Fergson | 4 | Son | — | Kentucky |
| 32 | Oar Kegley | 32 | Head | Labor On | Kentucky |
| 33 | Irene Kegley | 28 | Wife | — | Kentucky |
| 34 | Junior Kegley | 6 | Son | — | Kentucky |
| 35 | James Kegley | 2 | Son | — | Kentucky |
| 36 | John Ham | 52 | Head | Fireman | Kentucky |
| 37 | Estelle Ham | 44 | Wife | — | Kentucky |
| 38 | Myrtle Ham | 14 | Daughter | — | Kentucky |
| 39 | Dorthy Ham | 12 | Daughter | — | Kentucky |
| 40 | John Jr. Ham | 10 | Son | — | 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)