MS
Mary Stark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Oklahoma
Our Model Tree links this Mary Stark across the 1930 and 1940 US Censuses in Washington-County, Oklahoma (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 12-person household.
Age 12
b. ~1928
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Oklahoma |
| Surname | Stark |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Bartlesville |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Okla |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1928 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| J Stark | Head | — | 44 | ~1896 |
| Merl Stark | Son | — | 14 | ~1926 |
| Anna Stark | Spouse | — | 41 | ~1899 |
| Joel Stark | Son | — | 17 | ~1923 |
| Mary Stark | Daughter | — | 12 | ~1928 |
| Edith Bivins | Spouse | — | 21 | ~1919 |
| Karl Bivins | Other | — | 26 | ~1914 |
| Jackie Stark | Son | — | 10 | ~1930 |
| David Stark | Son | — | 1 | ~1939 |
| Berl Stark | Son | — | 14 | ~1926 |
| Robert Stark | Son | — | 9 | ~1931 |
| Harold Bivins | Son | — | 2 | ~1938 |
Census Appearances
1930
Washington, Oklahoma
Daughter, age 2
Washington, Oklahoma · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stark |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Missouri |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Washington-County, Oklahoma
Daughter, age 12
Washington-County, Oklahoma · implied b. ~1928 — 12 household members
| Surname | Stark |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Bartlesville |
| 1935 Residence (County) | Washington |
| Highest Grade | 6 |
| 1935 Residence | Okla |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Mary Stark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stark
Daughter · 1940 · age 12 · b. ~1928 · Oklahoma
★ You are viewing this record
Sibling
Harold Bivins
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Stark
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berl Stark
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jackie Stark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Stark
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joel Stark
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merl Stark
Sibling · 1940 · age 14
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 — Washington-County, Oklahoma
Open full size
1940 US Federal Census — Washington-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03339-00635)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. O. Stark | 44 | Head | Smelter Worker | Kansas |
| 2 | Anna Stark | 41 | Wife | Housewife | Missouri |
| 3 | Joel Stark | 17 | Son | — | Oklahoma |
| 4 | Berl Stark | 14 | Son | — | Oklahoma |
| 5 | Merl Stark | 14 | Son | — | Oklahoma |
| 6 | Mary Stark THIS PERSON | 12 | Daughter | — | Oklahoma |
| 7 | Jackie Stark | 10 | Son | — | Oklahoma |
| 8 | Robert Stark | 9 | Son | — | Oklahoma |
| 9 | David Stark | 1 | Son | — | Oklahoma |
| 10 | Karl Bivins | 26 | Son-in-law | — | Oklahoma |
| 11 | Edith Bivins | 21 | Wife | Housewife | Oklahoma |
| 12 | Harold Bivins | 2 | Son | — | Oklahoma |
| 13 | Ira Lord | 45 | Head | Pumper | Missouri |
| 14 | Edith Lord | 37 | Wife | Housewife | Missouri |
| 15 | Gerald Lord | 18 | Son | Invalid | Oklahoma |
| 16 | Lavonne Lord | 16 | Daughter | — | Oklahoma |
| 17 | Bettie Lou Lord | 14 | Daughter | — | Oklahoma |
| 18 | Charles Mccloud | 30 | Head | Roustabout | Oklahoma |
| 19 | Mildred Mccloud | 23 | Wife | Housewife | Oklahoma |
| 20 | Steve Hendricks | 40 | Head | Repairman | Arkansas |
| 21 | Foley Hendricks | 35 | Wife | Housewife | Arkansas |
| 22 | Gold Hendricks | 18 | Daughter | Housework | Arkansas |
| 23 | Junior Hendricks | 9 | Son | — | Arkansas |
| 24 | Bobbie Hendricks | 9 | Son | — | Arkansas |
| 25 | Bettie Hendricks | 5 | Daughter | — | Oklahoma |
| 26 | A. R. Treadway | 42 | Head | Farmer | Kansas |
| 27 | Grace Treadway | 41 | Wife | Housewife | Missouri |
| 28 | Leo Treadway | 22 | Son | — | Kansas |
| 29 | Jacqueline Treadway | 20 | Daughter | — | Oklahoma |
| 30 | Alberta Treadway | 18 | Daughter | — | Oklahoma |
| 31 | George Trotter | 71 | Father-in-law | — | Illinois |
| 32 | Earl Frenchman | 32 | Head | Farmer | Oklahoma |
| 33 | Thelma Frenchman | 27 | Wife | Housewife | Oklahoma |
| 34 | Earl Frenchman | 9 | Son | — | Oklahoma |
| 35 | William Frenchman | 4 | Son | — | Oklahoma |
| 36 | Earnest Frenchman | 35 | Brother | Farm Hand | Oklahoma |
| 37 | Charles Grady | 51 | Head | Farm Hand | Oklahoma |
| 38 | Minnie Grady | 33 | Wife | Housewife | Oklahoma |
| 39 | Leland Grady | 3 | Son | — | Oklahoma |
| 40 | Edward Grady | 1 | Son | — | Oklahoma |
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)