RJ
Ruby Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Kentucky
Our Model Tree links this Ruby Johnson across the 1930 and 1940 US Censuses in Knox-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Kentucky |
| Surname | Johnson |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Knox |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 7 | ~1933 |
| Jewel Johnson | Daughter | — | 3 | ~1937 |
| Rosetta Johnson | Daughter | — | 15 | ~1925 |
| Ruby Johnson | Daughter | — | 13 | ~1927 |
| Opal Johnson | Daughter | — | 5 | ~1935 |
| Bedford Johnson | Head | — | 56 | ~1884 |
| Carl Johnson | Son | — | 17 | ~1923 |
| Elbert Johnson | Son | — | 21 | ~1919 |
| Eastern Johnson | Son | — | 9 | ~1931 |
| Kathrine Johnson | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Knox, Kentucky
Daughter, age 3
Knox, Kentucky · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Knox-County, Kentucky
Daughter, age 13
Knox-County, Kentucky · implied b. ~1927 — 10 household members
| Surname | Johnson |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Knox |
| 1935 Residence (County) | Knox |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruby Johnson
Daughter · 1940 · age 13 · b. ~1927 · Kentucky
★ You are viewing this record
Sibling
Jewel Johnson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eastern Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elbert Johnson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Opal Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosetta Johnson
Sibling · 1940 · age 15
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 — Knox-County, Kentucky
Open full size
1940 US Federal Census — Knox-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01326-01347)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mack H. Jr. Potter | 27 | Head | W.P.A. | Kentucky |
| 42 | Edna Potter | 27 | Wife | — | Kentucky |
| 43 | Dale Potter | 3 | Son | — | Kentucky |
| 44 | Newton Wethredge | 57 | Head | Farmer | Kentucky |
| 45 | Martha Wethredge | 56 | Wife | — | Kentucky |
| 46 | Frank Johnson | 48 | Head | Farmer | Kentucky |
| 47 | Alice Johnson | 40 | Wife | — | Kentucky |
| 48 | James Johnson | 21 | Son | Farm Labor | Kentucky |
| 49 | Frank Jr. Johnson | 14 | Son | — | Kentucky |
| 50 | Stacy Johnson | 12 | Daughter | — | Kentucky |
| 51 | Herbert Johnson | 9 | Son | — | Kentucky |
| 52 | Sawyer Johnson | 7 | Son | — | Kentucky |
| 53 | Enard Johnson | 5 | Son | — | Kentucky |
| 54 | Garlin Johnson | 3 | Son | — | Kentucky |
| 55 | Viola Johnson | 1 | Daughter | — | Kentucky |
| 56 | Bedford Johnson | 56 | Head | Farmer | Kentucky |
| 57 | Kathrine Johnson | 46 | Wife | — | Kentucky |
| 58 | Elbert Johnson | 21 | Son | Cook | Kentucky |
| 59 | Carl Johnson | 17 | Son | Farm Labor | Kentucky |
| 60 | Rosetta Johnson | 15 | Daughter | — | Kentucky |
| 61 | Ruby Johnson THIS PERSON | 13 | Daughter | — | Kentucky |
| 62 | Eastern Johnson | 9 | Son | — | Kentucky |
| 63 | Alice Johnson | 7 | Daughter | — | Kentucky |
| 64 | Opal Johnson | 5 | Daughter | — | Kentucky |
| 65 | Jewel D. Johnson | 3 | Daughter | — | Kentucky |
| 66 | Pleas Philpot | 33 | Head | Farmer | Kentucky |
| 67 | Mary E. Philpot | 35 | Wife | — | Kentucky |
| 68 | Casmar H. Philpot | 21 | Son | Farm Labor | Kentucky |
| 69 | Bryce Philpot | 14 | Son | — | Kentucky |
| 70 | Madie Philpot | 13 | Daughter | — | Kentucky |
| 71 | Lucinda Philpot | 11 | Daughter | — | Kentucky |
| 72 | Bula Philpot | 6 | Daughter | — | Kentucky |
| 73 | J. R. Philpot | 5 | Son | — | Kentucky |
| 74 | Avril G. Philpot | 2 | Son | — | Kentucky |
| 75 | John W. Wethredge | 35 | Head | Farmer | Kentucky |
| 76 | Wife Wethredge | 28 | Wife | — | Kentucky |
| 77 | Kathryn Wethredge | 10 | Daughter | — | Kentucky |
| 78 | Joe Wethredge | 8 | Son | — | Kentucky |
| 79 | Lois Wethredge | 3 | Daughter | — | Kentucky |
| 80 | Charlotte Wethredge | 1 | Daughter | — | Kentucky |
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)