RK
Ruby King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Le-Flore-County, Oklahoma
Our Model Tree links this Ruby King across the 1930 and 1940 US Censuses in Le-Flore-County, Oklahoma (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Female
Daughter
Born: Arkansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Le-Flore-County, Oklahoma |
| Surname | King |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Braden Township |
| 1935 Residence (County) | Le Flore |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Braden Township |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Mildred King | Daughter | — | 11 | ~1929 |
| Ophelia King | Spouse | — | 42 | ~1898 |
| Lois King | Daughter | — | 13 | ~1927 |
| Alberta King | Daughter | — | 11 | ~1929 |
| Maxine King | Daughter | — | 19 | ~1921 |
| W King | Head | — | 40 | ~1900 |
| Ruby King | Daughter | — | 21 | ~1919 |
| W King | Daughter | — | 15 | ~1925 |
| Sammie King | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Le Flore, …
Daughter, age 11
Le Flore, Oklahoma · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Ruby L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Le-Flore-County, Oklahoma
Daughter, age 21
Le-Flore-County, Oklahoma · implied b. ~1919 — 9 household members
| Surname | King |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Braden Township |
| 1935 Residence (County) | Le Flore |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruby King
Daughter · 1940 · age 21 · b. ~1919 · Oklahoma
★ You are viewing this record
Sibling
Sammie King
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine King
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois King
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
W King
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred King
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta King
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 — Le-Flore-County, Oklahoma
Open full size
1940 US Federal Census — Le-Flore-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03304-00467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esco Phillips | 9 | Son | — | Oklahoma |
| 2 | Retha Phillips | 7 | Daughter | — | Oklahoma |
| 3 | Billy Phillips | 2 | Billy | — | Oklahoma |
| 4 | C C Calley | 44 | Head | Laborer | Arkansas |
| 5 | Hallie Calley | 28 | Wife | — | Okla |
| 6 | Norma Lee Calley | 5 | Daughter | — | Okla |
| 7 | Clifford H Parent | 20 | Head | Fencer | Okla |
| 8 | Jardie J Lively | 23 | Head | School Teacher | Okla |
| 9 | Wanda S Lively | 23 | Wife | — | Okla |
| 10 | W M King | 40 | Head | Farmer | Arkansas |
| 11 | Ophelia King | 42 | Wife | — | Arkansas |
| 12 | Ruby King THIS PERSON | 21 | Daughter | — | Arkansas |
| 13 | Maxine King | 19 | Daughter | — | Okla |
| 14 | Mildred King | 11 | Daughter | — | Okla |
| 15 | W J King | 15 | Daughter | — | Okla |
| 16 | Lois King | 13 | Daughter | — | Okla |
| 17 | Alberta King | 11 | Daughter | — | Okla |
| 18 | Sammie Lou King | 7 | Daughter | — | Okla |
| 19 | Lee Battiest | 51 | Head | Farmer | Okla |
| 20 | Lina Battiest | 66 | Wife | — | Okla |
| 21 | Lee Anna Williams | 44 | Daughter | — | Okla |
| 22 | Tommy Triplett | 25 | Grandson | Laborer | Okla |
| 23 | Ivory S Jackson | 29 | Head | Laborer | Okla |
| 24 | Beatrice Jackson | 24 | Wife | — | Okla |
| 25 | Sherman Jackson | 13 | Son | — | Okla |
| 26 | Joe S Boyd | 50 | Head | Farmer | Ind Ter |
| 27 | Elizabeth Boyd | 43 | Wife | — | Okla |
| 28 | Edgar Boyd | 26 | Son | Laborer | Okla |
| 29 | Herald Boyd | 18 | Son | Laborer | Okla |
| 30 | Imogene Boyd | 14 | Daughter | — | Okla |
| 31 | Prat Humphrey | 46 | Head | Laborer | Okla |
| 32 | Lucil S Humphrey | 40 | Wife | — | Okla |
| 33 | Pauline Humphrey | 13 | Daughter | — | Okla |
| 34 | Cleo Humphrey | 9 | Son | — | Okla |
| 35 | Leon Humphrey | 5 | Son | — | Okla |
| 36 | Alexander Humphrey | 74 | Father | — | Okla |
| 37 | Mettie Young | 44 | Sister | — | Okla |
| 38 | Tom Lewis | 65 | Head | Farmer | Okla |
| 39 | Barbara A Lewis | 61 | Wife | — | Okla |
| 40 | Walter Inman | 57 | Brother-in-law | — | Okla |
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)