MC
Mary Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rawlins-County, Kansas
Our Model Tree links this Mary Cochran across the 1930 and 1940 US Censuses in Rawlins-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 13-person household.
Age 17
b. ~1923
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rawlins-County, Kansas |
| Surname | Cochran |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Atwood |
| 1935 Residence (County) | Rawlins |
| Additional Details | |
| Occupation | Housewife |
| Industry | NP |
| Class of Worker | 52 |
| Hours Worked | 60 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Housewife |
| Township / Ward | Atwood |
| Est. Birth Year | ~1923 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dora Cochran | Daughter | — | 18 | ~1922 |
| Mary Cochran | Daughter | — | 17 | ~1923 |
| Joan Cochran | Daughter | — | 10 | ~1930 |
| Ruth Cochran | Daughter | — | 24 | ~1916 |
| Carolyn Cochran | Daughter | — | 4 | ~1936 |
| Doris Cochran | Daughter | — | 11 | ~1929 |
| William Cochran | Head | — | 52 | ~1888 |
| Donald Cochran | Son | — | 13 | ~1927 |
| Marion Cochran | Son | — | 20 | ~1920 |
| John Cochran | Son | — | 26 | ~1914 |
| Lynn Cochran | Son | — | 19 | ~1921 |
| Russell Cochran | Son | — | 15 | ~1925 |
| Violet Cochran | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Rawlins, Kansas
Daughter, age 7
Rawlins, Kansas · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mary Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Rawlins-County, Kansas
Daughter, age 17
Rawlins-County, Kansas · implied b. ~1923 — 13 household members
| Surname | Cochran |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Atwood |
| 1935 Residence (County) | Rawlins |
| Occupation | Housewife |
| Industry | NP |
| Class of Worker | 52 |
| Hours Worked | 60 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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.
Show:
This person
Anchor record
Mary Cochran
Daughter · 1940 · age 17 · b. ~1923 · Kansas
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Sibling
Ruth Cochran
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Cochran
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Cochran
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Cochran
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cochran
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Cochran
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lynn Cochran
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carolyn Cochran
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Cochran
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dora Cochran
Sibling · 1940 · age 18
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 — Rawlins-County, Kansas
Open full size
1940 US Federal Census — Rawlins-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01252-00899)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patten Artaza | 75 | Head | Farm | Iowa |
| 42 | Albert W Denniston | 67 | Brother | Farm | Iowa |
| 43 | Helen Denniston | 45 | Neice | Housewife | Iowa |
| 44 | Roy G Mcdougal | 46 | Head | Farm | Kansas |
| 45 | Catherine F Mcdougal | 47 | Wife | Housewife | Kansas |
| 46 | Leroy A Mcdougal | 15 | Son | Student | Kansas |
| 47 | Betty Jane Mcdougal | 12 | Daughter | Student | Kansas |
| 48 | Coleman F Toth | 39 | Head | Farm | Kansas |
| 49 | Hattie J Toth | 29 | Wife | Housewife | Kansas |
| 50 | James C Toth | 13 | Son | Student | Kansas |
| 51 | Ida Mae Toth | 11 | Daughter | Student | Kansas |
| 52 | Shirley J Toth | 8 | Daughter | Student | Kansas |
| 53 | Joseph J Jr Vap | 37 | Head | Farm | Kansas |
| 54 | Leona J Vap | 32 | Wife | Housewife | Kansas |
| 55 | Leonard A Vap | 12 | Son | Student | Kansas |
| 56 | Melvin E Vap | 10 | Son | Student | Kansas |
| 57 | Winifred Vap | 8 | Daughter | Student | Kansas |
| 58 | Ramona Vap | 7 | Daughter | Student | Kansas |
| 59 | Gerald Dean Vap | 6 | Daughter | Student | Kansas |
| 60 | Yvonne Vap | 3 | Daughter | — | Kansas |
| 61 | Virginia Vap | 2 | Daughter | — | Kansas |
| 62 | Edwin R Cochran | 62 | Head | Mail Carrier | Nebraska |
| 63 | Velma G Cochran | 61 | Wife | Housewife | Iowa |
| 64 | Freda A Bockhold | 38 | Daughter | Housewife | Kansas |
| 65 | Charlene G Bockhold | 14 | Neice | Student | Kansas |
| 66 | Kenneth D Cochran | 33 | Head | Dentist | Kansas |
| 67 | Marie R Cochran | 27 | Wife | Housewife | Kansas |
| 68 | William N Cochran | 52 | Head | Salesman | Kansas |
| 69 | Violet R Cochran | 48 | Wife | Housewife | Kansas |
| 70 | John W Cochran | 26 | Son | Shoe Cobbler | Illinois |
| 71 | Ruth S Cochran | 24 | Daughter | Stenographer | Nebraska |
| 72 | Marion H Cochran | 20 | Son | Shoe Cobbler | Nebraska |
| 73 | Lynn H Cochran | 19 | Son | Waiter | Kansas |
| 74 | Mary J Cochran THIS PERSON | 17 | Daughter | Housewife | Kansas |
| 75 | Russell D Cochran | 15 | Son | — | Kansas |
| 76 | Donald E Cochran | 13 | Son | — | Kansas |
| 77 | Doris J Cochran | 11 | Daughter | — | Kansas |
| 78 | Joan Cochran | 10 | Daughter | — | Kansas |
| 79 | Carolyn Cochran | 4 | Daughter | — | Kansas |
| 80 | Dora L Cochran | 18 | Daughter | Housewife | 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)