MS
Mary Simpson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bell-County, Kentucky
Our Model Tree links this Mary Simpson across the 1920, 1930 and 1940 US Censuses in Bell-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 2-person household.
Age 50
b. ~1890
Female
Head
Born: Kentucky
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Bell-County, Kentucky |
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Kentucky |
| 1935 Residence (City) | Unincorporated place Kettle Island |
| 1935 Residence (County) | Bell |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Unincorporated Place Kettle Island |
| Est. Birth Year | ~1890 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Simpson | Daughter | — | 9 | ~1931 |
| Mary Simpson | Head | — | 50 | ~1890 |
Census Appearances
1920
Bell, Kentucky
Spouse, age 31
Bell, Kentucky · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Bell, Kentucky
Spouse, age 42
Bell, Kentucky · implied b. ~1888 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 20 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Bell-County, Kentucky
Head, age 50
Bell-County, Kentucky · implied b. ~1890 — 2 household members
| Surname | Simpson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Kentucky |
| 1935 Residence (City) | Unincorporated place Kettle Island |
| 1935 Residence (County) | Bell |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Simpson
Head · 1940 · age 50 · b. ~1890 · 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 — Bell-County, Kentucky
Open full size
1940 US Federal Census — Bell-County, Kentucky
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01279-00286)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Simpson THIS PERSON | 50 | Head | — | Kentucky |
| 42 | Anna L. Simpson | 9 | Daughter | — | Kentucky |
| 43 | Jasper Howard | 76 | Head | — | Kentucky |
| 44 | Mary Howard | 75 | Wife | — | Kentucky |
| 45 | Dunham Howard | 38 | Son | Salesman | Kentucky |
| 46 | Katherine Howard | 23 | Daughter-in-law | — | Kentucky |
| 47 | Jasper, Jr. Howard | 7 | Grandson | — | Kentucky |
| 48 | Garfield Howard | 4 | Grandson | — | Kentucky |
| 49 | Vivian Joe Howard | 2 | Granddaughter | — | Kentucky |
| 50 | Vivian Baird | 18 | Housekeeper | Housekeeper | Kentucky |
| 52 | Henry Lefevers | 34 | Head | Coal Loader | Kentucky |
| 53 | Edna Lefevers | 30 | Wife | — | Kentucky |
| 54 | Austin Lefevers | 12 | Son | — | Kentucky |
| 55 | Mary F. Lefevers | 4 | Daughter | — | Kentucky |
| 56 | Fred Nunn | 32 | Head | Motorman | Kentucky |
| 57 | Julia Nunn | 29 | Wife | — | Kentucky |
| 58 | Patsy R. Nunn | 8 | Daughter | — | Kentucky |
| 59 | Curtis Nunn | 5 | Son | — | Kentucky |
| 60 | Wilson Hodges | 32 | Head | Coal Loader | Kentucky |
| 61 | Virginia Hodges | 28 | Wife | — | Kentucky |
| 62 | George Jones | 31 | Head | Coal Loader | Kentucky |
| 63 | Vestina Jones | 27 | Wife | — | Kentucky |
| 64 | Marie Jones | 8 | Daughter | — | Kentucky |
| 65 | George A. Jones | 7 | Son | — | Kentucky |
| 66 | Harold Jones | 5 | Son | — | Kentucky |
| 67 | Erna Jones | 3 | Daughter | — | Kentucky |
| 68 | Margie Jones | 1 | Daughter | — | Kentucky |
| 69 | Hubert Huff | 24 | Head | Machine Helper | Kentucky |
| 70 | Jean J. Huff | 16 | Wife | — | Tennessee |
| 71 | Dan Sutton | 36 | Head | Coal Loader | Kentucky |
| 72 | Sarah Sutton | 32 | Wife | — | Kentucky |
| 73 | James Sutton | 13 | Son | — | Kentucky |
| 74 | Billy Sutton | 10 | Son | — | Kentucky |
| 75 | Jewell Sutton | 8 | Daughter | — | Kentucky |
| 76 | Cecil Sutton | 6 | Son | — | Kentucky |
| 77 | Shirley Sutton | 4 | Daughter | — | Kentucky |
| 78 | Marvin Helton | 24 | Head | Coal Loader | Kentucky |
| 79 | Marie Helton | 19 | Wife | — | Kentucky |
| 80 | Charley Herrin | 41 | Head | Electrician | 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)