MC
Mary Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greene-County, Indiana
Our Model Tree links this Mary Cochran across the 1920, 1930 and 1940 US Censuses in Greene-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 2-person household.
Age 77
b. ~1863
Female
Head
Born: Indiana
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Indiana |
| Surname | Cochran |
| Given Name | Mary Catherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Lyons Town |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 0 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Lyons Town |
| Est. Birth Year | ~1863 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nora Cochran | Daughter | — | 47 | ~1893 |
| Mary Cochran | Head | — | 77 | ~1863 |
Census Appearances
1920
Greene, Indiana
Spouse, age 51
Greene, Indiana · implied b. ~1869 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mary E. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Greene, Indiana
Spouse, age 62
Greene, Indiana · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 16 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Greene-County, Indiana
Head, age 77
Greene-County, Indiana · implied b. ~1863 — 2 household members
| Surname | Cochran |
| Given Name | Mary Catherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Lyons Town |
| 1935 Residence (County) | Greene |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 0 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cochran
Head · 1940 · age 77 · b. ~1863 · Indiana
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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 — Greene-County, Indiana
Open full size
1940 US Federal Census — Greene-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01049-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry Shorter | 40 | Head | Laborer | Indiana |
| 42 | Ruth Shorter | 32 | Wife | — | Indiana |
| 43 | Harold Junior Shorter | 15 | Son | — | Indiana |
| 44 | Murl Ray Shorter | 13 | Son | — | Indiana |
| 45 | Mary Marie Shorter | 10 | Daughter | — | Indiana |
| 46 | Barbara June Shorter | 7 | Daughter | — | Indiana |
| 47 | Carolyn Sue Shorter | 6 | Daughter | — | Indiana |
| 48 | Nina Ruth Shorter | 3 | Daughter | — | Indiana |
| 49 | Elizabeth Shorter | 62 | Mother | — | Indiana |
| 50 | Clayton Filbett | 47 | Head | Janitor | Indiana |
| 51 | Dorothy Filbett | 40 | Wife | — | Illinois |
| 52 | Slyvia Filbett | 8 | Son | — | Indiana |
| 53 | Clyde James Filbett | 2 | Son | — | Indiana |
| 54 | Gertrude Wilson | 65 | Head | Practical Nurse | Indiana |
| 55 | Wayne Roudibush | 27 | Head | Farm Hand | Indiana |
| 56 | Vergie Roudibush | 23 | Wife | — | Indiana |
| 57 | Carl Wayne Roudibush | 3 | Son | — | Indiana |
| 58 | Mary Jo Roudibush | 1 | Daughter | — | Indiana |
| 59 | Ellen Fulk | 76 | Head | — | Indiana |
| 60 | John W. Husband | 67 | Head | Blacksmith | Illinois |
| 61 | Floyd E. Husband | 38 | Son | — | Illinois |
| 62 | Forest O. Husband | 35 | Son | Blacksmith | Illinois |
| 63 | Paris Goodwin | 67 | Head | — | Indiana |
| 64 | Bert Edwards | 53 | Head | County Surveyor | Indiana |
| 65 | Elizabeth Edwards | 53 | Wife | — | Indiana |
| 66 | Irene Edwards | 21 | Daughter | Stenographer | Indiana |
| 67 | Dencil Laymon | 20 | Head | Miner | Indiana |
| 68 | Elizabeth Laymon | 20 | Wife | — | Indiana |
| 69 | Doyle Page | 34 | Head | Operator | Indiana |
| 70 | Dorothy Page | 30 | Wife | — | Indiana |
| 71 | Ruth Evelyn Page | 15 | Daughter | — | Indiana |
| 72 | Donald Page | 13 | Son | — | Indiana |
| 73 | Dale Page | 10 | Son | — | Indiana |
| 74 | Carolyn Ann Page | 4 | Daughter | — | Indiana |
| 75 | Paul Alkire | 25 | Head | Laborer | Indiana |
| 76 | Mildred Alkire | 23 | Wife | — | Indiana |
| 77 | David Lee Alkire | 3 | Son | — | Indiana |
| 78 | Mary Catherine Cochran THIS PERSON | 77 | Head | — | Indiana |
| 79 | Nora Jane Cochran | 47 | Daughter | — | Indiana |
| 80 | Elsie Milton | 75 | Head | — | Illinois |
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)