MK
Mary King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lewis-County, Kentucky
Our Model Tree links this Mary King across the 1920, 1930 and 1940 US Censuses in Lewis-County, Kentucky (XGBoost, ~Confirmed), with identified parents Robert & Olie — first a daughter (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lewis-County, Kentucky |
| Surname | King |
| Given Name | Mary D. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (County) | Lewis |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 7 |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Mary King | Daughter | — | 20 | ~1920 |
| Bernice King | Daughter | — | 17 | ~1923 |
| Robert King | Head | — | 65 | ~1875 |
| Olie King | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Lewis, Kentucky
Daughter, age
Lewis, Kentucky · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Mary D |
| 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
Lewis, Kentucky
Daughter, age 10
Lewis, Kentucky · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Mary D |
| 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
Lewis-County, Kentucky
Daughter, age 20
Lewis-County, Kentucky · implied b. ~1920 — 4 household members
| Surname | King |
| Given Name | Mary D. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (County) | Lewis |
| Income (1939) | 0 |
| Highest Grade | Hs 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 King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert King (~0.92 confidence) and mother Olie King (~0.92 confidence) and mother Alice King (~0.92 confidence) and mother Ettie King (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert King
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Olie King
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Alice King
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Ettie King
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary King
Daughter · 1940 · age 20 · b. ~1920 · Kentucky
★ You are viewing this record
Sibling
Bernice King
Sibling · 1940 · age 17
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 — Lewis-County, Kentucky
Open full size
1940 US Federal Census — Lewis-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01331-00406)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Regenia Wright | 2 | daughter | — | Kentucky |
| 2 | Albert Wright | 48 | Head | 38 | Kentucky |
| 3 | Marie S. Wright | 45 | wife | — | Ohio |
| 4 | Mack Wright | 18 | son | — | Kentucky |
| 5 | William G. Lyons | 57 | Head | 25 | Kentucky |
| 6 | William T. B. Jones | 74 | Head | — | Kentucky |
| 7 | Susan Jones | 68 | wife | — | Kentucky |
| 8 | Mary Ingram | 30 | housekeeper | — | Kentucky |
| 9 | James C. Jones | 47 | Head | 30 | Kentucky |
| 10 | Doris Jones | 35 | wife | — | Kentucky |
| 11 | James H. Jones | 21 | son | 25 | Kentucky |
| 12 | Frank Davenport | 57 | Head | 35 | Kentucky |
| 13 | Minnie Davenport | 61 | wife | — | Kentucky |
| 14 | Virginia Mccall | 14 | granddaughter | — | Kentucky |
| 15 | Eula Mccall | 13 | daughter | — | Kentucky |
| 16 | Jackson Davenport | 27 | son | 25 | Kentucky |
| 17 | Wadsworth Simpson | 24 | Head | 30 | Kentucky |
| 18 | Alma Simpson | 27 | wife | 40 | Kentucky |
| 19 | Juanita P. S. Berry | 10 | daughter | — | Kentucky |
| 20 | Owen G. Fireman | 77 | Head | — | Kentucky |
| 21 | William H. Garrett | 57 | Head | 40 | Kentucky |
| 22 | Lucy L. Garrett | 52 | wife | — | Kentucky |
| 23 | Robert H. King | 65 | Head | 35 | Kentucky |
| 24 | Olie A. King | 49 | wife | — | Kentucky |
| 25 | Mary D. King THIS PERSON | 20 | daughter | — | Kentucky |
| 26 | Bernice A. King | 17 | daughter | — | Kentucky |
| 27 | Thomas J. Hartley | 45 | Head | 40 | Kentucky |
| 28 | Lola B. Hartley | 33 | wife | — | Kentucky |
| 29 | Charles T. Hartley | 21 | son | 35 | Kentucky |
| 30 | Paul E. Hartley | 16 | son | — | Kentucky |
| 31 | Juanita F. Hartley | 13 | daughter | — | Kentucky |
| 32 | Opal G. Hartley | 10 | daughter | — | Kentucky |
| 33 | John H. Hartley | 7 | son | — | Kentucky |
| 34 | Evelyn R. Hartley | 1 | daughter | — | Kentucky |
| 35 | Anna B. Hartley | 70 | Head | — | Kentucky |
| 36 | Burgess C. Douglas | 34 | Head | 35 | Kentucky |
| 37 | Helena B. Douglas | 28 | wife | 35 | Ohio |
| 38 | Robert G. Douglas | 9 | son | — | Ohio |
| 39 | Hill E. Candell | 63 | Head | 40 | Indiana |
| 40 | Luvenia A. Candell | 60 | wife | — | Kentucky |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 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)