RT
Ruth Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Noble-County, Indiana
Our Model Tree links this Ruth Thomas across the 1920, 1930 and 1940 US Censuses in Noble-County, Indiana (XGBoost, ~Confirmed), with identified parents Edith & Frank — first a daughter (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Noble-County, Indiana |
| Surname | Thomas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Noble |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thomas | Daughter | — | 23 | ~1917 |
| Frank Thomas | Head | — | 59 | ~1881 |
| Edith Thomas | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Noble, Indiana
Daughter, age 3
Noble, Indiana · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Noble, Indiana
Daughter, age 13
Noble, Indiana · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Noble-County, Indiana
Daughter, age 23
Noble-County, Indiana · implied b. ~1917 — 3 household members
| Surname | Thomas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Noble |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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: mother Edith Thomas (~0.92 confidence) and father Frank Thomas (~0.92 confidence) and mother Edith Thomas (~0.92 confidence) and father John Thomas (~0.92 confidence) and mother Lydia Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Edith Thomas
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Frank Thomas
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Edith Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
John Thomas
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Lydia Thomas
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Thomas
Daughter · 1940 · age 23 · b. ~1917 · Indiana
★ 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 — Noble-County, Indiana
Open full size
1940 US Federal Census — Noble-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01082-00330)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jean Grogg | 3 | Daughter | — | Indiana |
| 2 | Jerry Grogg | 1 | Son | — | Indiana |
| 3 | Rollie O. Becker | 50 | Head | Farmer | Indiana |
| 4 | Beatrice Becker | 43 | Wife | — | Indiana |
| 5 | Keith Becker | 18 | Son | — | Indiana |
| 6 | Lloyd D. Becker | 44 | Head | Farmer | Indiana |
| 7 | Hazel Becker | 39 | Wife | — | Indiana |
| 8 | Betty Becker | 17 | Daughter | — | Indiana |
| 9 | Beverly Becker | 16 | Daughter | — | Indiana |
| 10 | Walter Swinehart | 45 | Head | Farmer | Indiana |
| 11 | Wilma Swinehart | 40 | Wife | — | Indiana |
| 12 | Thelma Swinehart | 19 | Daughter | — | Indiana |
| 13 | William Swinehart | 17 | Son | — | Indiana |
| 14 | Robert Swinehart | 14 | Son | — | Indiana |
| 15 | Violet Swinehart | 12 | Daughter | — | Indiana |
| 16 | John Swinehart | 9 | Son | — | Indiana |
| 17 | Adina Rose Swinehart | 8 | Daughter | — | Indiana |
| 18 | Carol Jean Swinehart | 1 | Daughter | — | Indiana |
| 19 | William Stout | 79 | Head | Farmer | Indiana |
| 20 | Floris Stout | 70 | Wife | — | Indiana |
| 21 | Minie Stout | 76 | Sister | — | Indiana |
| 22 | Frank D. Stout | 36 | Head | Farmer | Indiana |
| 23 | Ethel Stout | 36 | Wife | — | Indiana |
| 24 | Phillip Stout | 15 | Son | — | Indiana |
| 25 | David Stout | 12 | Son | — | Indiana |
| 26 | Thomas Stout | 10 | Son | — | Indiana |
| 27 | Frank C. Thomas | 59 | Head | Farmer | Indiana |
| 28 | Edith Thomas | 60 | Wife | — | Indiana |
| 29 | Ruth Thomas THIS PERSON | 23 | Daughter | — | Indiana |
| 30 | Barron Helbert | 27 | Head | Farm Laborer | Indiana |
| 31 | Vivian Helbert | 24 | Wife | — | Ohio |
| 32 | Joan Helbert | 8 | Daughter | — | Indiana |
| 33 | Sharon Helbert | 7 | Daughter | — | Indiana |
| 34 | George Helbert | 5 | Son | — | Indiana |
| 35 | Judith Helbert | 0 | Daughter | — | Indiana |
| 36 | Orlando R. Myers | 78 | Head | — | Ohio |
| 37 | Amelia C. Myers | 74 | Wife | — | Indiana |
| 38 | Roy M. Baker | 52 | Head | Bee Keeper | Indiana |
| 39 | Pearl Baker | 57 | Wife | — | Indiana |
| 40 | Rollie O. Treesh | 46 | Head | Laborer | Indiana |
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)