MC
Mary Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Johnson-County, Kentucky
Our Model Tree links this Mary Cochran across the 1930 and 1940 US Censuses in Johnson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Kentucky |
| Surname | Cochran |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. No. 4 |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist No 4 |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Cochran | Daughter | — | 12 | ~1928 |
| Herman Cochran | Head | — | 51 | ~1889 |
| Douglas Cochran | Son | — | 17 | ~1923 |
| Winford Cochran | Son | — | 20 | ~1920 |
| Jewell Cochran | Son | — | 23 | ~1917 |
| James Cochran | Son | — | 16 | ~1924 |
| Emery Cochran | Son | — | 9 | ~1931 |
| Lowman Cochran | Son | — | 22 | ~1918 |
| Cleffa Cochran | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Johnson, Kentucky
Daughter, age 2
Johnson, Kentucky · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Johnson-County, Kentucky
Daughter, age 12
Johnson-County, Kentucky · implied b. ~1928 — 9 household members
| Surname | Cochran |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. No. 4 |
| 1935 Residence (County) | Johnson |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 12 · b. ~1928 · Kentucky
★ You are viewing this record
Sibling
Winford Cochran
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Cochran
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emery Cochran
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jewell Cochran
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cochran
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lowman Cochran
Sibling · 1940 · age 22
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 — Johnson-County, Kentucky
Open full size
1940 US Federal Census — Johnson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01322-00815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Missouri Barker | 57 | Wife | — | Kentucky |
| 2 | Frank Barker | 33 | Son | Laborer | Kentucky |
| 3 | Rilda Barker | 22 | Daughter | — | Kentucky |
| 4 | Lexie Barker | 19 | Daughter | — | Kentucky |
| 5 | Mellie Barker | 26 | Daughter | — | Kentucky |
| 6 | Pattie Barker | 5 | Granddaughter | — | Kentucky |
| 7 | Johnnie Barker | 37 | Head | Laborer | Kentucky |
| 8 | Lizzie Barker | 29 | Wife | — | Kentucky |
| 9 | Alta Barker | 10 | Daughter | — | Kentucky |
| 10 | Kimble Barker | 7 | Son | — | Kentucky |
| 11 | Dan Barker | 12 | Son | — | Kentucky |
| 12 | Luke Gullett | 39 | Head | Laborer | Kentucky |
| 13 | Jessie Gullett | 32 | Wife | — | Kentucky |
| 14 | Christine Gullett | 10 | Daughter | — | Kentucky |
| 15 | Donald Gullett | 7 | Son | — | Kentucky |
| 16 | Paul Crawford Gullett | 4 | Son | — | Kentucky |
| 17 | James Willard Gullett | 2 | Son | — | Kentucky |
| 18 | Flavous Tackett | 50 | Head | Farm Manager | Kentucky |
| 19 | Willie E. Tackett | 21 | Son | Laborer | Kentucky |
| 20 | Charlie C. Tackett | 19 | Son | Laborer | Kentucky |
| 21 | Herman Cochran | 51 | Head | Mail Carrier | Kentucky |
| 22 | Cleffa Cochran | 46 | Wife | — | Kentucky |
| 23 | Jewell Cochran | 23 | Son | Farm Helper | Kentucky |
| 24 | Lowman Cochran | 22 | Son | Farm Helper | Kentucky |
| 25 | Winford Cochran | 20 | Son | Farm Helper | Kentucky |
| 26 | Douglas Cochran | 17 | Son | Farm Helper | Kentucky |
| 27 | James Edward Cochran | 16 | Son | Farm Helper | Kentucky |
| 28 | Mary Louise Cochran THIS PERSON | 12 | Daughter | — | Kentucky |
| 29 | Emery Carson Cochran | 9 | Son | — | Kentucky |
| 30 | Casper Blair | 55 | Head | Farmer | Kentucky |
| 31 | Bessie Blair | 52 | Wife | — | Kentucky |
| 32 | Arlie Blair | 22 | Son | Farm Helper | Kentucky |
| 33 | Eril Lemaster | 35 | Head | New Worker | Kentucky |
| 34 | Emmagine Lemaster | 8 | Daughter | — | Kentucky |
| 35 | Beamine Lemaster | 6 | Daughter | — | Kentucky |
| 36 | Bobbie Joe Lemaster | 1 | Son | — | Kentucky |
| 37 | Judah Blanton | 73 | Head | — | Kentucky |
| 38 | Harry Mckenzie | 41 | Head | Engineer | Kentucky |
| 39 | Carry Mckenzie | 36 | Wife | — | Kentucky |
| 40 | Charlie Mckenzie | 20 | Son | Truck Driver | Kentucky |
Related Census Records
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)