RT
Ruth Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ross-County, Ohio
Our Model Tree links this Ruth Thomas across the 1920, 1930 and 1940 US Censuses in Ross-County, Ohio (XGBoost, ~Confirmed), with identified parents Nelson & Harrison — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ross-County, Ohio |
| Surname | Thomas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Chillicothe |
| 1935 Residence (County) | Ross |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Chillicothe |
| Est. Birth Year | ~1919 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thomas | Daughter | — | 21 | ~1919 |
| W Thomas | Head | — | 50 | ~1890 |
| Helen Hartmus | Other | — | 20 | ~1920 |
| Bessie Thomas | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Ross, Ohio
Daughter, age 1
Ross, Ohio · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Ross, Ohio
Daughter, age 10
Ross, Ohio · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Ross-County, Ohio
Daughter, age 21
Ross-County, Ohio · implied b. ~1919 — 4 household members
| Surname | Thomas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Chillicothe |
| 1935 Residence (County) | Ross |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Ruth Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nelson Thomas (~0.92 confidence) and father Harrison Thomas (~0.92 confidence) and father W Thomas (~0.92 confidence) and mother Bessie Thomas (~0.92 confidence) and mother Essie Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nelson Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Harrison Thomas
b. ~1890
Source father
● Household
· direct · ~0.92
Father
W Thomas
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Bessie Thomas
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Essie Thomas
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Thomas
Daughter · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ross-County, Ohio
Open full size
1940 US Federal Census — Ross-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03138-00492)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Katherine Roslin | 3 | Daughter | — | — |
| 42 | Gerald Roslin | 1 | Son | — | — |
| 43 | Lloyd Jones | 28 | Head | Millwright | Ohio |
| 44 | Martha Jones | 25 | Wife | — | Ohio |
| 45 | Paul Mccarty | 39 | Head | Paper Maker | Ohio |
| 46 | Agnes Mccarty | 29 | Wife | Bookkeeper | Ohio |
| 47 | Chester Corbean | 30 | Head | Assembler | Ohio |
| 48 | Elvera Corbean | 25 | Wife | — | Ohio |
| 49 | Wayne Corbean | 4 | Son | — | — |
| 50 | Cora Jane Corbean | 2 | Daughter | — | — |
| 51 | Father William | 60 | Head | Proprietor | Indiana |
| 52 | Salina William | 51 | Mother | — | Indiana |
| 53 | Loretta William | 65 | Sister | — | Indiana |
| 54 | Samuel Knox | 40 | Head | Assistant Supply Officer | Alabama |
| 55 | Maurine Knox | 37 | Wife | — | Texas |
| 56 | Priest Knox | 15 | Son | — | Nebraska |
| 57 | Forney Knox | 14 | Son | — | Texas |
| 58 | Brevard Knox | 6 | Daughter | — | Missouri |
| 59 | Eloise Knox | 5 | Daughter | — | Missouri |
| 60 | George Fayard | 25 | Head | Piece Worker | Ohio |
| 61 | Roxy Fayard | 24 | Wife | — | Ohio |
| 62 | Louise Fayard | 6 | Daughter | — | Ohio |
| 63 | Alice Fayard | 3 | Daughter | — | Ohio |
| 64 | Lewis Fayard | 51 | Father | Leather Man | Ohio |
| 65 | George Mellenriter | 64 | Head | — | Ohio |
| 66 | Lucy Mellenriter | 63 | Wife | — | Ohio |
| 67 | Warren Howison | 50 | Head | Shoe Cutter | Ohio |
| 68 | Goldie Howison | 50 | Wife | — | Ohio |
| 69 | Harvey Howison | 22 | Son | Piece Worker | Ohio |
| 70 | Thelma Howison | 18 | Daughter | Piece Worker | Ohio |
| 71 | C. D. Sutton | 69 | Head | — | Ohio |
| 72 | Mamie Sutton | 65 | Wife | — | Ohio |
| 73 | W. H. Thomas | 50 | Head | Stock Man | Ohio |
| 74 | Bessie Thomas | 47 | Wife | — | Ohio |
| 75 | Ruth Thomas THIS PERSON | 21 | Daughter | — | Ohio |
| 76 | Helen Hartmus | 20 | Cousin | Stenographer | Ohio |
| 77 | Louis Haubeil | 40 | Head | Salesman Mechanic | Ohio |
| 78 | Marie Haubeil | 39 | Wife | — | Ohio |
| 79 | Glen Haubeil | 15 | Son | — | Ohio |
| 80 | Earl Kedash | 50 | Head | Fireman | Ohio |
Pedigree Summary
Ruth
Gen 1 · 5 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)