DT
Dorothy Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Campbell-County, Kentucky
Our Model Tree links this Dorothy Thomas across the 1920, 1930 and 1940 US Censuses in Campbell-County, Kentucky (XGBoost, ~Confirmed), with identified parents John & Madalina — first a daughter (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Campbell-County, Kentucky |
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Bellevue City |
| 1935 Residence (County) | Campbell |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Bellevue City |
| Est. Birth Year | ~1912 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thomas | Daughter | — | 26 | ~1914 |
| Dorothy Thomas | Daughter | — | 28 | ~1912 |
| John Thomas | Head | — | 60 | ~1880 |
| John Thomas | Son | — | 24 | ~1916 |
| Nelson Thomas | Son | — | 21 | ~1919 |
Census Appearances
1920
Campbell, Kentucky
Daughter, age 8
Campbell, Kentucky · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | England |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Campbell, Kentucky
Daughter, age 19
Campbell, Kentucky · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | England |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Campbell-County, Kentucky
Daughter, age 28
Campbell-County, Kentucky · implied b. ~1912 — 5 household members
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Bellevue City |
| 1935 Residence (County) | Campbell |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Dorothy Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Thomas (~0.92 confidence) and mother Madalina Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Madalina Thomas
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Thomas
Daughter · 1940 · age 28 · b. ~1912 · Kentucky
★ You are viewing this record
Sibling
Nelson Thomas
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thomas
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Thomas
Sibling · 1940 · age 24
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 — Campbell-County, Kentucky
Open full size
1940 US Federal Census — Campbell-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01290-00147)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Waterman | 90 | Head | — | Kentucky |
| 2 | Emma Waterman | 49 | Daughter | — | Kentucky |
| 3 | Frederic Snoblase | 40 | Head | Truck Driver | Kentucky |
| 4 | Kathryn Snoblase | 39 | Wife | — | Pennsylvania |
| 5 | Russell Snoblase | 19 | Son | New Worker | Kentucky |
| 6 | Lee Poinsette | 58 | Head | Truck Driver | Kentucky |
| 7 | Mae Poinsette | 50 | Wife | — | Kentucky |
| 8 | Robert Poinsette | 22 | Son | Helper | Kentucky |
| 9 | Stanley Poinsette | 20 | Son | Card Clerk | Kentucky |
| 10 | Alfred R. Schoenstein | 62 | Head | Barber | Germany |
| 11 | Elsie Schoenstein | 49 | Wife | — | Pennsylvania |
| 12 | Arthur Underwood | 66 | Head | Salesman | Ohio |
| 13 | Amanda Ellis | 70 | Head | — | Kentucky |
| 14 | John Thomas | 60 | Head | Boilermaker | England |
| 15 | Dorothy Thomas THIS PERSON | 28 | Daughter | — | Kentucky |
| 16 | Ruth Thomas | 26 | Daughter | Personnel Clerk | Kentucky |
| 17 | John Jr. Thomas | 24 | Son | Salesman | Kentucky |
| 18 | Nelson Thomas | 21 | Son | Surveyor Helper | Kentucky |
| 19 | Frank Williams | 32 | Head | Supervisor | Kentucky |
| 20 | Lucille Williams | 32 | Wife | — | Kentucky |
| 21 | Frank Jr. Williams | 10 | Son | — | Kentucky |
| 22 | Eileen Williams | 7 | Daughter | — | Kentucky |
| 23 | James Williams | 5 | Son | — | Kentucky |
| 24 | Edgar G. Brown | 33 | Head | Communication Advisor | Kentucky |
| 25 | Irene Brown | 34 | Wife | — | Kentucky |
| 26 | Beverly Brown | 11 | Daughter | — | Kentucky |
| 27 | Edgar Ross Brown | 8 | Son | — | Kentucky |
| 28 | Nancy Brown | 3 | Daughter | — | Kentucky |
| 29 | Gilbert Brown | 54 | Head | Chemical Maker | Ohio |
| 30 | Bertha Brown | 57 | Wife | — | Kentucky |
| 31 | Hazel Brown | 20 | Daughter | Clerk | Kentucky |
| 32 | Walter E. Richards | 70 | Head | Tool Room Foreman | Ohio |
| 33 | Kathryn Richards | 70 | Wife | — | Ohio |
| 34 | Grace Baum | 45 | Daughter | General Work | Ohio |
| 35 | Randal Baum | 13 | Grand-son | — | Kentucky |
| 36 | Charles Crail | 47 | Head | House Painter | Kentucky |
| 37 | Catherine Crail | 43 | Wife | — | Kentucky |
| 38 | Charles Jr. Crail | 18 | Son | School Worker | Kentucky |
| 39 | Mary Crail | 15 | Daughter | Housework | Kentucky |
| 40 | John Crail | 12 | Son | — | Kentucky |
Pedigree Summary
Dorothy + 3 siblings
Gen 1 · 2 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)