MK
Martha King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Muskogee-County, Oklahoma
Our Model Tree links this Martha King across the 1930 and 1940 US Censuses in Muskogee-County, Oklahoma (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Muskogee-County, Oklahoma |
| Surname | King |
| Given Name | Martha Bell |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Tulsa |
| 1935 Residence (County) | Tulsa |
| Additional Details | |
| Hours Worked | 40 |
| Highest Grade | H 4 |
| 1935 Residence | Oklahoma |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Muskogee City |
| Est. Birth Year | ~1921 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Arthur King | Son | — | 20 | ~1920 |
| Charles King | Son | — | 17 | ~1923 |
| Marquitta King | Spouse | — | 36 | ~1904 |
| Lucy Fuller | Other | — | 44 | ~1896 |
| Vernon King | Son | — | 8 | ~1932 |
| James King | Son | — | 23 | ~1917 |
| Blanche King | Daughter | — | 15 | ~1925 |
| Martha King | Daughter | — | 19 | ~1921 |
| Raymond King | Head | — | 46 | ~1894 |
Census Appearances
1930
Tulsa, Oklahoma
Daughter, age 8
Tulsa, Oklahoma · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Martha B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Muskogee-County, Oklahoma
Daughter, age 19
Muskogee-County, Oklahoma · implied b. ~1921 — 9 household members
| Surname | King |
| Given Name | Martha Bell |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Tulsa |
| 1935 Residence (County) | Tulsa |
| Hours Worked | 40 |
| Highest Grade | H 4 |
| 1935 Residence | Oklahoma |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Martha King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha King
Daughter · 1940 · age 19 · b. ~1921 · Oklahoma
★ You are viewing this record
Sibling
Arthur King
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles King
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon King
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche King
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James King
Sibling · 1940 · age 23
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 — Muskogee-County, Oklahoma
Open full size
1940 US Federal Census — Muskogee-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03314-00810)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond C. King | 46 | Head | Minister | Missouri |
| 2 | Marquitta King | 36 | Wife | Housekeeper | Missouri |
| 3 | James A. King | 23 | Son | Manager | Missouri |
| 4 | Arthur King | 20 | Son | — | Missouri |
| 5 | Martha Bell King THIS PERSON | 19 | Daughter | — | Missouri |
| 6 | Charles Raymond King | 17 | Son | — | Missouri |
| 7 | Blanche Ruth King | 15 | Daughter | — | Missouri |
| 8 | Vernon King | 8 | Son | — | Oklahoma |
| 9 | Lucy Fuller | 44 | Housekeeper | — | Georgia |
| 10 | George Casey | 32 | Head | Clerk | Oklahoma |
| 11 | Maud Casey | 31 | Wife | — | Oklahoma |
| 12 | George Jr. Casey | 12 | Son | — | Oklahoma |
| 13 | Sera Casey | 8 | Son | — | Oklahoma |
| 14 | John Casey | 6 | Son | — | Oklahoma |
| 15 | John H. Chandler | 40 | Head | Salesman | Oklahoma |
| 16 | Emily Chandler | 69 | Mother | — | Missouri |
| 17 | Wilden E. Sharp | 30 | Head | Operator | Texas |
| 18 | Helen Sharp | 28 | Wife | — | Arkansas |
| 19 | Sarah Huckaby | 65 | Mother-in-law | — | Mississippi |
| 20 | Phillip H. Sharp | 4 | Son | — | Oklahoma |
| 21 | William Kelly | 42 | Head | County Clerk | Tennessee |
| 22 | Emma Jean Kelly | 41 | Wife | — | Tennessee |
| 23 | William Jr. Kelly | 15 | Son | — | Oklahoma |
| 24 | Wilda Potter | 52 | Head | Social Worker | Oklahoma |
| 25 | Corinne Potter | 25 | Daughter | Stenographer | Nebraska |
| 26 | Frances Potter | 20 | Daughter | Stenographer | Nebraska |
| 27 | Margaret Potter | 18 | Daughter | — | Nebraska |
| 28 | Alvin Nicholas | 32 | Head | Agronomist | Oklahoma |
| 29 | Helen Nicholas | 27 | Wife | — | Oklahoma |
| 30 | David Nicholas | 5 | Son | — | Oklahoma |
| 31 | Lezzie Nicholas | 1 | Daughter | — | Oklahoma |
| 32 | Jessie M. Miller | 74 | Head | Adjuster | Illinois |
| 33 | Lucy Granville | 62 | Head | — | Texas |
| 34 | John Simmons | 74 | Lodger | — | Georgia |
| 35 | George Mc Donald | 46 | Head | Teacher | N. Carolina |
| 36 | Irene Mc Donald | 44 | Wife | — | Kansas |
| 37 | John Simms | 43 | Head | Pharmacist | Arkansas |
| 38 | Marguerite Simms | 40 | Wife | — | Missouri |
| 39 | John H. Simms | 2 | Son | — | Oklahoma |
| 40 | Dudley Mc Clintock | 31 | Head | Signal Maintainer | Kansas |
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)