RC
Ruth Cox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Floyd-County, Virginia
Our Model Tree links this Ruth Cox across the 1930 and 1940 US Censuses in Floyd-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Floyd-County, Virginia |
| Surname | Cox |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Indian Valley Mag. Dist. |
| 1935 Residence (County) | Floyd |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Indian Valley Mag Dist |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ethleen Cox | Daughter | — | 15 | ~1925 |
| Mattie Cox | Head | — | 45 | ~1895 |
| Richard Cox | Son | — | 7 | ~1933 |
| Minnie Cox | Daughter | — | 1 | ~1939 |
| Kate Cox | Daughter | — | 9 | ~1931 |
| Mable Cox | Daughter | — | 13 | ~1927 |
| Joe Cox | Son | — | 3 | ~1937 |
| Marvin Cox | Son | — | 17 | ~1923 |
| Muriel Cox | Daughter | — | 10 | ~1930 |
| Ruth Cox | Daughter | — | 11 | ~1929 |
| Carl Cox | Son | — | 5 | ~1935 |
Census Appearances
1930
Floyd, Virginia
Daughter, age 1
Floyd, Virginia · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Floyd-County, Virginia
Daughter, age 11
Floyd-County, Virginia · implied b. ~1929 — 11 household members
| Surname | Cox |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Indian Valley Mag. Dist. |
| 1935 Residence (County) | Floyd |
| Income (1939) | 0 |
| Highest Grade | No 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 Ruth Cox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Cox
Daughter · 1940 · age 11 · b. ~1929 · Virginia
★ You are viewing this record
Sibling
Richard Cox
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Cox
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Cox
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Cox
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethleen Cox
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Cox
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kate Cox
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mable Cox
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Muriel Cox
Sibling · 1940 · age 10
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 — Floyd-County, Virginia
Open full size
1940 US Federal Census — Floyd-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04262-00785)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Real Mitchel | 19 | Sister | Homework | Virginia |
| 2 | Ivera Mitchel | 17 | Sister | — | Virginia |
| 3 | Caslus Higgs | 23 | Head | Operator | Virginia |
| 4 | Eva Higgs | 31 | Wife | — | Virginia |
| 5 | Cullen Higgs | 1 | Son | — | Virginia |
| 6 | Rufus S. Phillips | 72 | Head | Operator | Virginia |
| 7 | Mary A. Phillips | 62 | Wife | — | Virginia |
| 8 | Wilbert Sanders | 20 | Son | Laborer | Virginia |
| 9 | Percy Phillips | 17 | Son | Laborer | Virginia |
| 10 | Peggy Phillips | 13 | Daughter | — | Virginia |
| 11 | Mattie E. Cox | 45 | Head | — | Virginia |
| 12 | Marvin Cox | 17 | Son | Laborer | Virginia |
| 13 | Ethleen Cox | 15 | Daughter | — | Virginia |
| 14 | Mable Cox | 13 | Daughter | — | Virginia |
| 15 | Ruth Cox THIS PERSON | 11 | Daughter | — | Virginia |
| 16 | Muriel Cox | 10 | Daughter | — | Virginia |
| 17 | Kate Cox | 9 | Daughter | — | Virginia |
| 18 | Richard Cox | 7 | Son | — | Virginia |
| 19 | Carl Cox | 5 | Son | — | Virginia |
| 20 | Joe B. Cox | 3 | Son | — | Virginia |
| 21 | Minnie Cox | 1 | Daughter | — | Virginia |
| 22 | Lafayett Duncan | 30 | Head | Operator | Virginia |
| 23 | Zola Duncan | 29 | Wife | — | Virginia |
| 24 | Ruth Duncan | 10 | Daughter | — | Virginia |
| 25 | Clinton Duncan | 8 | Son | — | Virginia |
| 26 | Velma Duncan | 5 | Daughter | — | Virginia |
| 27 | Kirby Duncan | 3 | Son | — | Virginia |
| 28 | David Duncan | 2 | Son | — | Virginia |
| 29 | Warn Duncan | 66 | Head | Operator | Virginia |
| 30 | Susan Duncan | 67 | Wife | — | Virginia |
| 31 | Oscar E. Marshal | 44 | Head | Senior Operator | Virginia |
| 32 | Essie M. Marshal | 44 | Wife | — | Virginia |
| 33 | Howard Marshal | 21 | Son | Labour | Virginia |
| 34 | Leora Marshal | 19 | Daughter | — | Virginia |
| 35 | Eunice Marshal | 16 | Daughter | — | Virginia |
| 36 | Oleda Marshal | 13 | Daughter | — | Virginia |
| 37 | James Marshal | 10 | Son | — | Virginia |
| 38 | Marvin Marshal | 6 | Son | — | Virginia |
| 39 | Rollie Marshal | 5 | Son | — | Virginia |
| 40 | Boss Cox | 41 | Head | Laborer | Virginia |
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)