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Mary Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Carter-County, Kentucky
Our Model Tree links this Mary Lucas across the 1930 and 1940 US Censuses in Carter-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 11-person household.
Age 32
b. ~1908
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Carter-County, Kentucky |
| Surname | Lucas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist #7 |
| 1935 Residence (County) | Carter |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial Dist 7 |
| Est. Birth Year | ~1908 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Delores Lucas | Daughter | — | 3 | ~1937 |
| Lois Lucas | Daughter | — | 4 | ~1936 |
| Ona Lucas | Daughter | — | 12 | ~1928 |
| Wilma Lucas | Daughter | — | 13 | ~1927 |
| Louise Lucas | Daughter | — | 11 | ~1929 |
| Rose Lucas | Daughter | — | 2 | ~1938 |
| Nelson Lucas | Head | — | 39 | ~1901 |
| Tommy Lucas | Son | — | 2 | ~1938 |
| Eugene Lucas | Son | — | 9 | ~1931 |
| William Lucas | Son | — | 7 | ~1933 |
| Mary Lucas | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Carter, Kentucky
Other, age 22
Carter, Kentucky · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | Mary |
| Relationship to Head | Wife H |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 17 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Carter-County, Kentucky
Spouse, age 32
Carter-County, Kentucky · implied b. ~1908 — 11 household members
| Surname | Lucas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist #7 |
| 1935 Residence (County) | Carter |
| Highest Grade | 6 |
| 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 Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lucas
Spouse · 1940 · age 32 · b. ~1908 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Carter-County, Kentucky
Open full size
1940 US Federal Census — Carter-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01292-00632)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul R Davis | 44 | Head | Timber Cutter | Kentucky |
| 42 | Everett Davis | 14 | Son | — | Kentucky |
| 43 | Evelen Davis | 12 | Daughter | — | Kentucky |
| 44 | Newton Davis | 10 | Son | — | Kentucky |
| 45 | Billy J Davis | 8 | Son | — | Kentucky |
| 46 | Bobby L Davis | 5 | Son | — | Kentucky |
| 47 | Arcade Davis | 2 | Son | — | Kentucky |
| 48 | William Mcwhorter | 63 | Nephew | Timber Cutter | Kentucky |
| 49 | Gertrude Hendrickson | 40 | Head | Merchant | Kentucky |
| 50 | Eugene Hendrickson | 9 | Son | — | West Virginia |
| 51 | Nelson Lucas | 39 | Head | Farmer | Kentucky |
| 52 | Mary Lucas THIS PERSON | 32 | Wife | — | Kentucky |
| 53 | Wilma Lucas | 13 | Daughter | — | Kentucky |
| 54 | Ona M. Lucas | 12 | Daughter | — | Kentucky |
| 55 | Louise Lucas | 11 | Daughter | — | Kentucky |
| 56 | Eugene Lucas | 9 | Son | — | Kentucky |
| 57 | William K Lucas | 7 | Son | — | Kentucky |
| 58 | Lois A. Lucas | 4 | Daughter | — | Kentucky |
| 59 | Rose M. Lucas | 2 | Daughter | — | Kentucky |
| 60 | Delores Lucas | 3 | Daughter | — | Kentucky |
| 61 | Tommy J. Lucas | 2 | Son | — | Kentucky |
| 62 | Sally Lucas | 59 | Head | — | Kentucky |
| 63 | Henry Lucas | 22 | Son | Farmer | Kentucky |
| 64 | Virgil Ennyart | 51 | Head | Farmer | Kentucky |
| 65 | Elizabeth Ennyart | 45 | Wife | — | Kentucky |
| 66 | Waden Ennyart | 18 | Son | Tie Maker | Kentucky |
| 67 | Garfield Ennyart | 16 | Son | Farm Laborer | West Virginia |
| 68 | Bessie Ennyart | 15 | Daughter | — | West Virginia |
| 69 | Ray Ennyart | 12 | Son | — | West Virginia |
| 70 | Ina M. Ennyart | 8 | Daughter | — | West Virginia |
| 71 | Marine Ennyart | 6 | Daughter | — | West Virginia |
| 72 | Nadine Ennyart | 2 | Daughter | — | Kentucky |
| 73 | Atis Ennyart | 24 | Son | Coal Miner | Kentucky |
| 74 | Nellie Ennyart | 26 | Daughter-in-law | — | Kentucky |
| 75 | Elmer Thomas | 38 | Head | Laborer | Kentucky |
| 76 | Ida Thomas | 33 | Wife | — | Kentucky |
| 77 | Willard Thomas | 13 | Son | — | Kentucky |
| 78 | Bonnie Thomas | 9 | Daughter | — | Kentucky |
| 79 | Curtis Thomas | 7 | Son | — | Kentucky |
| 80 | John L. Thomas | 5 | 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)