MC
Mary Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Atoka-County, Oklahoma
Our Model Tree links this Mary Cochran across the 1930 and 1940 US Censuses in Atoka-County, Oklahoma (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Atoka-County, Oklahoma |
| Surname | Cochran |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Atoka |
| 1935 Residence (County) | Atoka |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 4 |
| 1935 Residence | Oklahoma |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Bentley Ward Township |
| Est. Birth Year | ~1897 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Irene Cochran | Daughter | — | 19 | ~1921 |
| Alma Cochran | Daughter | — | 4 | ~1936 |
| Beulah Cochran | Daughter | — | 17 | ~1923 |
| Clara Cochran | Daughter | — | 5 | ~1935 |
| Arthur Cochran | Head | — | 47 | ~1893 |
| Herman Cochran | Son | — | 10 | ~1930 |
| Arthur Cochran | Son | — | 21 | ~1919 |
| Charles Cochran | Son | — | 13 | ~1927 |
| Mary Cochran | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Atoka, Oklahoma
Other, age 33
Atoka, Oklahoma · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Marcella |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 22 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Atoka-County, Oklahoma
Spouse, age 43
Atoka-County, Oklahoma · implied b. ~1897 — 9 household members
| Surname | Cochran |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Atoka |
| 1935 Residence (County) | Atoka |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 4 |
| 1935 Residence | Oklahoma |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Cochran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cochran
Spouse · 1940 · age 43 · b. ~1897 · Oklahoma
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Atoka-County, Oklahoma
Open full size
1940 US Federal Census — Atoka-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03275-00092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilma Jane Withrow | 5 | Daughter | — | Oklahoma |
| 42 | Thomas T Reeves | 76 | Head | — | Texas |
| 43 | Mary K Reeves | 76 | Wife | — | Kentucky |
| 44 | B F Cashier | 67 | Head | — | Arkansas |
| 45 | Mary Cashier | 58 | Wife | — | Arkansas |
| 46 | William Cashier | 24 | Son | Laborer | Oklahoma |
| 47 | Ray Cashier | 17 | Son | New Worker | Oklahoma |
| 48 | Arthur L Cochran | 47 | Head | Farmer | Arkansas |
| 49 | Mary Cochran THIS PERSON | 43 | Wife | — | South Carolina |
| 50 | Arthur Jr Cochran | 21 | Son | Laborer | Oklahoma |
| 51 | Irene Cochran | 19 | Daughter | — | Oklahoma |
| 52 | Beulah Cochran | 17 | Daughter | — | Oklahoma |
| 53 | Charles Cochran | 13 | Son | — | Oklahoma |
| 54 | Herman Cochran | 10 | Son | — | Oklahoma |
| 55 | Alma Dell Cochran | 4 | Daughter | — | Oklahoma |
| 56 | Clara Cochran | 5 | Daughter | — | Oklahoma |
| 57 | Claude Warren | 27 | Head | Teacher | Oklahoma |
| 58 | Audie Warren | 33 | Wife | Teacher | Oklahoma |
| 59 | Eli S B Tabrit | 64 | Head | Farming | Illinois |
| 60 | Jessie Tabrit | 65 | Wife | — | Arkansas |
| 61 | Margaret Audrey Tabrit | 21 | Daughter | — | Oklahoma |
| 62 | Willie Wade | 37 | Head | Laborer | Oklahoma |
| 63 | Carmen Wade | 35 | Wife | — | Arkansas |
| 64 | Wesley Wade | 11 | Son | — | Oklahoma |
| 65 | Alexander Wade | 10 | Daughter | — | Oklahoma |
| 66 | Junnie Mae Wade | 5 | Daughter | — | Oklahoma |
| 67 | Barney A Cathey | 30 | Head | Laborer | Texas |
| 68 | Maxine Cathey | 23 | Wife | — | Oklahoma |
| 69 | Riley Mae Cathey | 5 | Daughter | — | Oklahoma |
| 70 | Betty Fay Cathey | 2 | Daughter | — | Oklahoma |
| 71 | Melvin Tanner | 64 | Head | Farmer | Missouri |
| 72 | Corah Tanner | 55 | Wife | — | Oklahoma |
| 73 | J. W. Tanner | 18 | Son | Laborer | Oklahoma |
| 74 | Lloyd Tanner | 15 | Son | — | Oklahoma |
| 75 | Calvin Meade | 39 | Head | Farming | Oklahoma |
| 76 | Ruthie Meade | 37 | Wife | — | Oklahoma |
| 77 | Calvin Jr Meade | 14 | Son | — | Oklahoma |
| 78 | Charles Meade | 5 | Son | — | Oklahoma |
| 79 | Norman Gibbs | 37 | Head | Farming | Oklahoma |
| 80 | Alta Gibbs | 31 | Wife | — | 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)