JC
James Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Doniphan-County, Kansas
Our Model Tree links this James Cochran across the 1930 and 1940 US Censuses in Doniphan-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Doniphan-County, Kansas |
| Surname | Cochran |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Elwood City |
| 1935 Residence (County) | Doniphan |
| Additional Details | |
| Occupation | Houseman |
| Industry | Private House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 440 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Houseman |
| Township / Ward | Elwood City |
| Est. Birth Year | ~1921 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Nora Cochran | Spouse | — | 40 | ~1900 |
| Betty Cochran | Daughter | — | 14 | ~1926 |
| Vernon Cochran | Head | — | 45 | ~1895 |
| Glendora Cochran | Daughter | — | 8 | ~1932 |
| James Cochran | Son | — | 19 | ~1921 |
| Jacqueline Cochran | Daughter | — | 12 | ~1928 |
| Buell Cochran | Son | — | 23 | ~1917 |
| Wilma Cochran | Daughter | — | 10 | ~1930 |
| Margaret Cochran | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Doniphan, Kansas
Son, age 9
Doniphan, Kansas · implied b. ~1921 — 28 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | James B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Doniphan-County, Kansas
Son, age 19
Doniphan-County, Kansas · implied b. ~1921 — 9 household members
| Surname | Cochran |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Elwood City |
| 1935 Residence (County) | Doniphan |
| Occupation | Houseman |
| Industry | Private House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 440 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 James Cochran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Cochran
Son · 1940 · age 19 · b. ~1921 · Kansas
★ You are viewing this record
Sibling
Jacqueline Cochran
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Cochran
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cochran
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Cochran
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Buell Cochran
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glendora Cochran
Sibling · 1940 · age 8
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 — Doniphan-County, Kansas
Open full size
1940 US Federal Census — Doniphan-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01229-00256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vernon W. Cochran | 45 | Head | Car Washer | Missouri |
| 2 | Nora E. Cochran | 40 | Wife | — | Missouri |
| 3 | Buell A. Cochran | 23 | Son | Cook | Missouri |
| 4 | James D. Cochran THIS PERSON | 19 | Son | Houseman | Missouri |
| 5 | Margaret F. Cochran | 16 | Daughter | — | Missouri |
| 6 | Betty L. Cochran | 14 | Daughter | — | Kansas |
| 7 | Jacqueline Cochran | 12 | Daughter | — | Kansas |
| 8 | Wilma J. Cochran | 10 | Daughter | — | Kansas |
| 9 | Glendora Cochran | 8 | Daughter | — | Kansas |
| 10 | John B. Brown | 27 | Head | Laborer In Hog Department | Missouri |
| 11 | Mabel Brown | 26 | Wife | — | Kansas |
| 12 | G. Darline Brown | 7 | Daughter | — | Missouri |
| 13 | Ronald J. Brown | 5 | Son | — | Missouri |
| 14 | Michie Stephen Brown | 3 | Son | — | Missouri |
| 15 | Thomas F. Travers | 55 | Head | Hog Kill Dept. | Missouri |
| 16 | Edna Mae Travers | 50 | Wife | Laundress | Missouri |
| 17 | Prentice J. Travers | 24 | Son | Porter | Missouri |
| 18 | Laverne D. Travers | 17 | Daughter | — | Missouri |
| 19 | Robert S. Chambers | 32 | Head | Laborer In Sweet Pickle Dept. | Kansas |
| 20 | Georgianna L. Chambers | 30 | Wife | — | Missouri |
| 21 | Jessie F. B. Chambers | 12 | Daughter | — | Kansas |
| 22 | Sylvanus W. Page | 41 | Head | Laborer | Missouri |
| 23 | Osa O. Page | 39 | Wife | — | Iowa |
| 24 | Meldora K. Page | 16 | Daughter | — | Missouri |
| 25 | Mercedes O. Page | 14 | Daughter | — | Missouri |
| 26 | Dorothea L. Page | 9 | Daughter | — | Missouri |
| 27 | Betty Jean Page | 6 | Daughter | — | Missouri |
| 28 | Marlene D. Page | 4 | Daughter | — | Missouri |
| 29 | Sylvanus W. Jr. Page | 2 | Son | — | Kansas |
| 30 | Joseph E. Blanton | 50 | Head | Laborer | Nebraska |
| 31 | Anna E. Blanton | 38 | Wife | — | Kansas |
| 32 | Joseph E. Jr. Blanton | 19 | Son | Soil Erosion | Missouri |
| 33 | Jackson W. Blanton | 17 | Son | — | Kansas |
| 34 | Franklin A. Blanton | 13 | Son | — | Kansas |
| 35 | Grant T. Blanton | 11 | Son | — | Kansas |
| 36 | Louis C. Blanton | 8 | Son | — | Kansas |
| 37 | Barbara R. Blanton | 5 | Daughter | — | Kansas |
| 38 | Phyllis V. Blanton | 2 | Daughter | — | Kansas |
| 39 | Kenneth O. Rhodes | 22 | Head | Soda Clerk | Kansas |
| 40 | Rosemary Rhodes | 20 | Wife | — | Nebraska |
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)