TS
Thomas Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Kentucky
Our Model Tree links this Thomas Simpson across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Kentucky (XGBoost, ~Confirmed), with identified parents Del & Thomas — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Kentucky |
| Surname | Simpson |
| Given Name | Thomas S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mt. Sterling |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Cropper |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 866 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Cropper |
| Township / Ward | Mt Sterling |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Nell Simpson | Daughter | — | 20 | ~1920 |
| Thomas Simpson | Son | — | 22 | ~1918 |
| Anna Simpson | Daughter | — | 24 | ~1916 |
| James Cowan | Other | — | 5 | ~1935 |
| Del Simpson | Head | — | 57 | ~1883 |
Census Appearances
1920
Montgomery, Kentucky
Son, age 2
Montgomery, Kentucky · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sampson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Montgomery, Kentucky
Son, age 12
Montgomery, Kentucky · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sampson |
| Given Name | Thomas G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Montgomery-County, Kentucky
Son, age 22
Montgomery-County, Kentucky · implied b. ~1918 — 5 household members
| Surname | Simpson |
| Given Name | Thomas S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mt. Sterling |
| 1935 Residence (County) | Montgomery |
| Occupation | Cropper |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 866 |
| Highest Grade | H-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 Thomas Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Del Simpson (~0.92 confidence) and father Thomas Sampson (~0.92 confidence) and mother Belle Sampson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Del Simpson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Thomas Sampson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Belle Sampson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Simpson
Son · 1940 · age 22 · b. ~1918 · Kentucky
★ You are viewing this record
Sibling
Anna Simpson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nell Simpson
Sibling · 1940 · age 20
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 — Montgomery-County, Kentucky
Open full size
1940 US Federal Census — Montgomery-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01343-00061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Junius E Davis | 47 | Wife | Foreman | Kentucky |
| 42 | Leonard Davis | 19 | Son | Waiter | Kentucky |
| 43 | Paul D Davis | 17 | Son | Dealer | Kentucky |
| 44 | Nancy Davis | 13 | Daughter | — | Kentucky |
| 45 | Paul D Jr Davis | 4 | Son | — | Kentucky |
| 46 | Annie Donaldson | 70 | Head | — | Kentucky |
| 47 | Guy Donaldson | 42 | Son | — | Kentucky |
| 48 | Jackson Blevins | 27 | Head | Truck Driver | Kentucky |
| 49 | Mary Blevins | 21 | Wife | — | Kentucky |
| 50 | Billie Blevins | 3 | Son | — | Kentucky |
| 51 | Marbella Blevins | 0 | Daughter | — | Kentucky |
| 52 | Del Simpson | 57 | Head | Clerk | Kentucky |
| 53 | Anna Belle Simpson | 24 | Daughter | — | Kentucky |
| 54 | Thomas S Simpson THIS PERSON | 22 | Son | Cropper | Kentucky |
| 55 | Nell Simpson | 20 | Daughter | Laborer | Kentucky |
| 56 | James M Cowan | 5 | Grandson | — | Kentucky |
| 57 | James E Spraker | 44 | Head | Gard | Kentucky |
| 58 | Molly B Spraker | 47 | Wife | — | Kentucky |
| 59 | Mary Lou Spraker | 15 | Daughter | — | Michigan |
| 60 | Walter S Jones | 56 | Head | Photographer | Kentucky |
| 61 | Laura Hamilton | 76 | Head | — | Kentucky |
| 62 | Howard Orme | 39 | Head | Plumber | Kentucky |
| 63 | Nellie P Orme | 31 | Wife | — | Kentucky |
| 64 | Nelma Ray Orme | 11 | Daughter | — | Kentucky |
| 65 | Forest L Jr Orme | 9 | Son | — | Kentucky |
| 66 | James Curtis | 27 | Head | Cropper | Kentucky |
| 67 | Edith O Curtis | 22 | Wife | — | Kentucky |
| 68 | Joe Stevens | 49 | Head | Laborer | Kentucky |
| 69 | Nettie Stevens | 44 | Wife | — | Kentucky |
| 70 | Stanley Stevens | 21 | Son | Laborer | Kentucky |
| 71 | Mary D Stevens | 15 | Daughter | — | Kentucky |
| 72 | Adrian Stevens | 1 | Grandson | — | Kentucky |
| 73 | Ira | 31 | Head | — | Kentucky |
| 74 | Sara | 28 | Wife | — | Kentucky |
| 75 | Martin S Jr Vice | 42 | Head | Street Commissioner | Kentucky |
| 76 | Mary Vice | 39 | Wife | — | Kentucky |
| 77 | Martin Jr Vice | 15 | Son | — | Kentucky |
| 78 | Rodney Vice | 9 | Son | — | Kentucky |
| 79 | Anna Jean Vice | 5 | Daughter | — | Kentucky |
| 80 | Leila Vice | 62 | Mother | — | Kentucky |
Pedigree Summary
Thomas + 2 siblings
Gen 1 · 3 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)