RT
Ruby Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lee-County, Virginia
Our Model Tree links this Ruby Thomas across the 1930 and 1940 US Censuses in Lee-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Virginia |
| Surname | Thomas |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Jonesville District |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Jonesville District |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Loyd Thomas | Son | — | 18 | ~1922 |
| Emma Thomas | Daughter | — | 9 | ~1931 |
| Ruby Thomas | Daughter | — | 21 | ~1919 |
| Billie Thomas | Son | — | 10 | ~1930 |
| Bernice Thomas | Daughter | — | 13 | ~1927 |
| Ray Thomas | Son | — | 15 | ~1925 |
| Mabel Thomas | Daughter | — | 11 | ~1929 |
| Martin Thomas | Head | — | 50 | ~1890 |
| Roe Thomas | Son | — | 16 | ~1924 |
| Cora Thomas | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Lee, Virginia
Daughter, age 10
Lee, Virginia · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Lee-County, Virginia
Daughter, age 21
Lee-County, Virginia · implied b. ~1919 — 10 household members
| Surname | Thomas |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Jonesville District |
| 1935 Residence (County) | Lee |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 21 · b. ~1919 · Virginia
★ You are viewing this record
Sibling
Loyd Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Thomas
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roe Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Thomas
Sibling · 1940 · age 11
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 — Lee-County, Virginia
Open full size
1940 US Federal Census — Lee-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04273-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles H Campbell | 70 | Head | Farmer | Virginia |
| 2 | Martha Campbell | 55 | Wife | — | Kentucky |
| 3 | Georgia Campbell | 19 | Daughter | — | Virginia |
| 4 | Sally Lane | 29 | Daughter | Welfare Dept | Virginia |
| 5 | Margurete Lane | 9 | Daughter | — | Virginia |
| 6 | Ruth Lane | 8 | Daughter | — | Virginia |
| 7 | Ronald Lane | 4 | Son | — | Virginia |
| 8 | Ellen Johnson | 63 | Mother in law | — | Kentucky |
| 9 | Earnest Peters | 29 | Head | Farmer | Virginia |
| 10 | Madeline Peters | 27 | Wife | — | Tennessee |
| 11 | William Frank Peters | 8 | Son | — | Virginia |
| 12 | Lucie Ann Peters | 3 | Daughter | — | Virginia |
| 13 | Francis May Allison | 56 | Mother in law | — | Virginia |
| 14 | George Dingus | 39 | Head | Farm Labour | Tennessee |
| 15 | Rosa V Dingus | 38 | Wife | — | Virginia |
| 16 | Edith Dingus | 16 | Daughter | Student | Virginia |
| 17 | James Dingus | 14 | Son | Student | Virginia |
| 18 | Barbara Dingus | 13 | Daughter | — | Virginia |
| 19 | Hogan Dingus | 11 | Son | — | Virginia |
| 20 | Leda Dingus | 5 | Daughter | — | Virginia |
| 21 | Edna Dingus | 4 | Daughter | — | Virginia |
| 22 | Bogan Dingus | 2 | Son | — | Virginia |
| 23 | Anna Dingus | 0 | Daughter | — | Virginia |
| 24 | Earnest Ralph | 57 | Head | Farmer | Virginia |
| 25 | Ellen Ralph | 62 | Wife | — | Virginia |
| 26 | Emmett Ralph | 24 | Son | Miner | Virginia |
| 27 | Dewey Archie | 15 | Grandson | — | Virginia |
| 28 | Viola Archie | 18 | Granddaughter | — | Virginia |
| 29 | Emmett X Bryant | 35 | Head | Farmer | Virginia |
| 30 | Ethel Bryant | 34 | Wife | — | Virginia |
| 31 | Martin Thomas | 50 | Head | Farmer | Virginia |
| 32 | Cora Thomas | 49 | Wife | — | Virginia |
| 33 | Ruby Thomas THIS PERSON | 21 | Daughter | — | Virginia |
| 34 | Loyd Thomas | 18 | Son | — | Virginia |
| 35 | Roe Thomas | 16 | Son | — | Virginia |
| 36 | Ray Thomas | 15 | Son | — | Virginia |
| 37 | Bernice Thomas | 13 | Daughter | — | Virginia |
| 38 | Mabel Thomas | 11 | Daughter | — | Virginia |
| 39 | Billie Thomas | 10 | Son | — | Virginia |
| 40 | Emma Thomas | 9 | Daughter | — | Virginia |
Related Census Records
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)