MC
Mary Cobb — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Payne-County, Oklahoma
Our Model Tree links this Mary Cobb across the 1930 and 1940 US Censuses in Payne-County, Oklahoma (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Payne-County, Oklahoma |
| Surname | Cobb |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Indian Township |
| Additional Details | |
| Highest Grade | Hs 3 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Indian Township |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Cobb | Head | — | 42 | ~1898 |
| Billy Cobb | Daughter | — | 4 | ~1936 |
| Naoma Cobb | Daughter | — | 7 | ~1933 |
| Doris Cobb | Daughter | — | 11 | ~1929 |
| Mary Cobb | Spouse | — | 40 | ~1900 |
| Thelma Cobb | Daughter | — | 17 | ~1923 |
| Shirley Cobb | Daughter | — | 2 | ~1938 |
| Cecil Cobb | Son | — | 14 | ~1926 |
Census Appearances
1930
Payne, Oklahoma
Other, age 29
Payne, Oklahoma · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cabb |
| Given Name | Mabel M. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 17 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Payne-County, Oklahoma
Spouse, age 40
Payne-County, Oklahoma · implied b. ~1900 — 8 household members
| Surname | Cobb |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Indian Township |
| Highest Grade | Hs 3 |
| 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 Mary Cobb across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cobb
Spouse · 1940 · age 40 · b. ~1900 · Oklahoma
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Payne-County, Oklahoma
Open full size
1940 US Federal Census — Payne-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03323-00448)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ada L. Vaughan | 20 | Daughter | Housekeeping | Oklahoma |
| 42 | Emma M. Vaughan | 18 | Daughter | New Worker | Arkansas |
| 43 | Taylor Campbell | 33 | Head | Hired Hand | Kentucky |
| 44 | Thelma V. Campbell | 29 | Wife | — | Oklahoma |
| 45 | Loretta E. Campbell | 14 | Daughter | — | Oklahoma |
| 46 | Leroy C. Campbell | 11 | Son | — | Oklahoma |
| 47 | Henry L. Hemphill | 35 | Head | Manager | Oklahoma |
| 48 | Thelma M. Hemphill | 34 | Wife | — | Oklahoma |
| 49 | Telma F. Hemphill | 14 | Daughter | — | Oklahoma |
| 50 | Leona M. Hemphill | 12 | Daughter | — | Oklahoma |
| 51 | Ethel M. Hemphill | 10 | Daughter | — | Oklahoma |
| 52 | Betty L. Hemphill | 8 | Daughter | — | Oklahoma |
| 53 | Porter H. White | 65 | Head | Farmer | Texas |
| 54 | Clara White | 46 | Wife | House Work | Nebraska |
| 55 | Jimmy D. White | 10 | Son | — | Oklahoma |
| 56 | Eva M. Buffett | 62 | Head | — | Missouri |
| 57 | William C. Washington | 34 | Head | Farmer | Texas |
| 58 | Marveline Washington | 28 | Wife | — | Oklahoma |
| 59 | William S. Cobb | 42 | Head | Farmer | Missouri |
| 60 | Mary B. Cobb THIS PERSON | 40 | Wife | — | Missouri |
| 61 | Thelma J. Cobb | 17 | Daughter | — | Missouri |
| 62 | Cecil J. Cobb | 14 | Son | — | Missouri |
| 63 | Doris E. Cobb | 11 | Daughter | — | Oklahoma |
| 64 | Naoma J. Cobb | 7 | Daughter | — | Oklahoma |
| 65 | Billy A. Cobb | 4 | Daughter | — | Oklahoma |
| 66 | Shirley J. Cobb | 2 | Daughter | — | Oklahoma |
| 67 | Alfred R. Meyer | 49 | Head | Farmer | Missouri |
| 68 | Edna C. Meyer | 47 | Wife | — | Oklahoma |
| 69 | Robert C. Meyer | 19 | Son | Laborer | Oklahoma |
| 70 | Nellie J. Meyer | 17 | Daughter | Student Helper | Oklahoma |
| 71 | George E. Meyer | 13 | Son | — | Oklahoma |
| 72 | Vina J. Kerr | 69 | Head | — | Missouri |
| 73 | Hulco Kerr | 44 | Son | Farmer | Oklahoma |
| 74 | John H. Perkins | 58 | Head | Farmer | Kansas |
| 75 | Allie Perkins | 57 | Wife | — | Missouri |
| 76 | Willie D. Kelly | 54 | Head | Farmer | Missouri |
| 77 | Marvin M. Vanderpool | 27 | Head | Farmer | Oklahoma |
| 78 | Reba M. Vanderpool | 20 | Wife | — | Oklahoma |
| 79 | John Mcclelland | 69 | Head | — | Kansas |
| 80 | Nellie Gibbs | 58 | Head | — | Missouri |
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)