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William Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bolivar-County, Mississippi
Our Model Tree links this William Cochran across the 1930 and 1940 US Censuses in Bolivar-County, Mississippi (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bolivar-County, Mississippi |
| Surname | Cochran |
| Given Name | William W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Merigold Town |
| 1935 Residence (County) | Bolivar |
| Additional Details | |
| Occupation | Electrician |
| Industry | Contract work |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Electrician |
| Township / Ward | Merigold Town |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ardie Cochran | Daughter | — | 15 | ~1925 |
| Laura Cochran | Daughter | — | 18 | ~1922 |
| Martha Cochran | Daughter | — | 11 | ~1929 |
| Alice Cochran | Daughter | — | 13 | ~1927 |
| William Cochran | Head | — | 46 | ~1894 |
| Robert Cochran | Son | — | 7 | ~1933 |
| William Cochran | Son | — | 21 | ~1919 |
| Charles Cochran | Son | — | 16 | ~1924 |
| Perkins Cochran | Son | — | 9 | ~1931 |
| Lonia Cochran | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Bolivar, Mississippi
Son, age 12
Bolivar, Mississippi · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | William W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Bolivar-County, Mississippi
Son, age 21
Bolivar-County, Mississippi · implied b. ~1919 — 10 household members
| Surname | Cochran |
| Given Name | William W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Merigold Town |
| 1935 Residence (County) | Bolivar |
| Occupation | Electrician |
| Industry | Contract work |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 William Cochran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Cochran
Son · 1940 · age 21 · b. ~1919 · Mississippi
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Sibling
Perkins Cochran
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ardie Cochran
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cochran
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cochran
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Cochran
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Cochran
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Cochran
Sibling · 1940 · age 11
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 — Bolivar-County, Mississippi
Open full size
1940 US Federal Census — Bolivar-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02010-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louise Harrington | 17 | Daughter | Accompanist | Mississippi |
| 42 | Anna Laura Harrington | 15 | Daughter | — | Mississippi |
| 43 | Virgil, Jr Harrington | 13 | Son | — | Mississippi |
| 44 | Betty Harrington | 11 | Daughter | — | Mississippi |
| 45 | Robert Harrington | 9 | Son | — | Mississippi |
| 46 | William Cochran | 46 | Head | Mail Carrier | Mississippi |
| 47 | Lonia Cochran | 40 | Wife | — | Mississippi |
| 48 | William W Cochran THIS PERSON | 21 | Son | Electrician | Mississippi |
| 49 | Laura Cochran | 18 | Daughter | — | Mississippi |
| 50 | Charles Cochran | 16 | Son | — | Mississippi |
| 51 | Ardie Cochran | 15 | Daughter | — | Mississippi |
| 52 | Alice Cochran | 13 | Daughter | — | Mississippi |
| 53 | Martha Cochran | 11 | Daughter | — | Mississippi |
| 54 | Perkins Cochran | 9 | Son | — | Mississippi |
| 55 | Robert Cochran | 7 | Son | — | Mississippi |
| 56 | J. E. Kealhofer | 57 | Head | Rural Letter Carrier | Mississippi |
| 57 | Birdie Kealhofer | 56 | Wife | — | Mississippi |
| 58 | Donald Kealhofer | 25 | Son | — | Mississippi |
| 59 | John Kealhofer | 16 | Son | — | Mississippi |
| 60 | Fred W Young | 43 | Head | — | Mississippi |
| 61 | Lillian Young | 46 | Wife | — | Tennessee |
| 62 | Alice Lillian Young | 13 | Daughter | — | Mississippi |
| 63 | Fred Wiley Young | 10 | Son | — | Mississippi |
| 64 | Reed Banks Goldie | 65 | Head | Servant | Mississippi |
| 65 | Henry Cooper | 60 | Head | Janitor | Mississippi |
| 66 | Sarah Barber | 39 | Head | Maid | Mississippi |
| 67 | John Catchings | 52 | Head | — | Mississippi |
| 68 | Cora Catchings | 45 | Wife | Farm Operator | Mississippi |
| 69 | Jimmie Erwin | 30 | Lodger | Blacksmith | Mississippi |
| 70 | Annie Lucille Erwin | 21 | Lodger | — | Mississippi |
| 71 | Geraldine Erwin | 4 | Lodger | — | Mississippi |
| 72 | Judith Erwin | 0 | Lodger | — | Mississippi |
| 73 | Velma Lee Smith | 28 | Head | Servant | Mississippi |
| 74 | Casey Smith | 29 | Husband | Mechanic Tractor Driver | Louisiana |
| 75 | Louisa Howard | 35 | Head | Servant | Mississippi |
| 76 | Mary Jones | 49 | Head | Servant | Mississippi |
| 77 | Ike Jones | 49 | Husband | Yard Man | Mississippi |
| 78 | Ida May Jones | 16 | Daughter | — | Mississippi |
| 79 | Joe Jr. Jones | 14 | Son | — | Mississippi |
| 80 | Alice Rudell Jones | 12 | Daughter | — | Mississippi |
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)