RT
Ruby Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Arkansas
Our Model Tree links this Ruby Thomas across the 1930 and 1940 US Censuses in Madison-County, Arkansas (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 12-person household.
Age 18
b. ~1922
Female
Daughter
Born: Arkansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Arkansas |
| Surname | Thomas |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Kings River |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Kings River |
| Est. Birth Year | ~1922 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Loyd Thomas | Son | — | 5 | ~1935 |
| Clell Thomas | Son | — | 15 | ~1925 |
| Clyde Thomas | Son | — | 17 | ~1923 |
| Ruby Thomas | Daughter | — | 18 | ~1922 |
| Etta Thomas | Spouse | — | 38 | ~1902 |
| Hupert Thomas | Head | — | 48 | ~1892 |
| E Hawkins | Other | — | 72 | ~1868 |
| Ruth Thomas | Daughter | — | 11 | ~1929 |
| Mattie Thomas | Other | — | 69 | ~1871 |
| Edna Thomas | Daughter | — | 3 | ~1937 |
| Hopkins Thomas | Daughter | — | 19 | ~1921 |
| Zallie Thomas | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Madison, Arkansas
Daughter, age 7
Madison, Arkansas · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Rubie M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Can Read/Write | Yes |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Madison-County, Arkansas
Daughter, age 18
Madison-County, Arkansas · implied b. ~1922 — 12 household members
| Surname | Thomas |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Kings River |
| 1935 Residence (County) | Madison |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 Ruby Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruby Thomas
Daughter · 1940 · age 18 · b. ~1922 · Arkansas
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Sibling
Clell Thomas
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loyd Thomas
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hopkins Thomas
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zallie Thomas
Sibling · 1940 · age 8
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 — Madison-County, Arkansas
Open full size
1940 US Federal Census — Madison-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00153-00183)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John D. White | 53 | Head | Farmer | Arkansas |
| 2 | Ora White | 45 | Wife | — | Arkansas |
| 3 | Lois White | 16 | Daughter | — | Arkansas |
| 4 | Ruth White | 15 | Daughter | — | Arkansas |
| 5 | Dale White | 9 | Son | — | Arkansas |
| 6 | Hupert Thomas | 48 | Head | Farmer | Arkansas |
| 7 | Etta D. Thomas | 38 | Wife | — | Arkansas |
| 8 | Hopkins Elsie Thomas | 19 | Daughter | — | Arkansas |
| 9 | Ruby Thomas THIS PERSON | 18 | Daughter | — | Arkansas |
| 10 | Clyde Thomas | 17 | Son | Laborer | Arkansas |
| 11 | Clell Thomas | 15 | Son | Laborer | Arkansas |
| 12 | Ruth Thomas | 11 | Daughter | — | Arkansas |
| 13 | Zallie Thomas | 8 | Daughter | — | Arkansas |
| 14 | Loyd Thomas | 5 | Son | — | Arkansas |
| 15 | Edna Thomas | 3 | Daughter | — | Arkansas |
| 16 | Mattie Thomas | 69 | Mother | — | Alabama |
| 17 | E. T. Hawkins | 72 | Boarder | — | Arkansas |
| 18 | W. H. Burton | 64 | Head | — | Iowa |
| 19 | Mary Burton | 59 | Wife | — | Iowa |
| 20 | Raymond Burton | 27 | Son | Farmer | Kansas |
| 21 | Harley Burton | 21 | Son | Laborer | Kansas |
| 22 | Helford Burton | 6 | Daughter | — | Arkansas |
| 23 | Clarence Burton | 31 | Head | Farmer | Oklahoma |
| 24 | Rosie Burton | 33 | Wife | — | Arkansas |
| 25 | Edward Burton | 10 | Son | — | Arkansas |
| 26 | Kenneth Burton | 7 | Son | — | Arkansas |
| 27 | Mary Burton | 5 | Daughter | — | Arkansas |
| 28 | Cecilia Burton | 3 | Daughter | — | Arkansas |
| 29 | Jay Parker | 40 | Head | Farmer | Arkansas |
| 30 | Maggie Parker | 33 | Wife | — | Oklahoma |
| 31 | Ellis Parker | 8 | Son | — | Arkansas |
| 32 | Johnnie Parker | 7 | Son | — | Arkansas |
| 33 | Gilbert Dennis | 14 | Step Son | Farmer | Arkansas |
| 34 | Leon Dennis | 13 | Step Son | — | Arkansas |
| 35 | Theodore Davis | 45 | Head | Farmer | Arkansas |
| 36 | Lena Davis | 37 | Wife | — | Arkansas |
| 37 | Walcie Davis | 15 | Daughter | — | Arkansas |
| 38 | Arthur Davis | 13 | Son | — | Arkansas |
| 39 | Archie Davis | 11 | Son | — | Arkansas |
| 40 | Dixie Davis | 6 | Daughter | — | Arkansas |
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)