JC
James Cobb — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, Indiana
Our Model Tree links this James Cobb across the 1920, 1930 and 1940 US Censuses in Clark-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Indiana |
| Surname | Cobb |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Muhlenburg |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farmer |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Doris Cobb | Daughter | — | 7 | ~1933 |
| Gladys Cobb | Spouse | — | 26 | ~1914 |
| James Cobb | Son | — | 2 | ~1938 |
| James Cobb | Head | — | 31 | ~1909 |
| Dorothy Cobb | Daughter | — | 6 | ~1934 |
| Vera Cobb | Daughter | — | 10 | ~1930 |
Census Appearances
1920
Jefferson, Kentucky
Other, age 13
Jefferson, Kentucky · implied b. ~1907 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | James E. |
| Relationship to Head | Inmate |
| Sex | M |
| Color / Race | Mulatto |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Other, age 21
Jefferson, Kentucky · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | COBB |
| Given Name | James |
| Relationship to Head | BOARDER |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | KENTUCKY |
| Father's Birthplace | KENTUCKY |
| Mother's Birthplace | KENTUCKY |
| Occupation | LABORER |
| Industry | AUTO BODY FACTORY |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Clark-County, Indiana
Head, age 31
Clark-County, Indiana · implied b. ~1909 — 6 household members
| Surname | Cobb |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Muhlenburg |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Kentucky |
| 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 James Cobb across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Cobb
Head · 1940 · age 31 · b. ~1909 · 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 — Clark-County, Indiana
Open full size
1940 US Federal Census — Clark-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01031-00836)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William B. Stoner | 60 | Head | Farmer | Indiana |
| 42 | Della M. Stoner | 56 | Wife | — | Indiana |
| 43 | Elmer Roy L. Stoner | 31 | Son | Farmer | Indiana |
| 44 | Amelia M. Stoner | 48 | Wife | — | Indiana |
| 45 | Paul Hostetler | 26 | Head | Road Labor | Indiana |
| 46 | Mary A. Hostetler | 24 | Wife | — | Indiana |
| 47 | Rodellen P. Hostetler | 3 | Son | — | Indiana |
| 48 | Wesley Stoner | 32 | Head | Road Labor | Indiana |
| 49 | Adda Stoner | 34 | Wife | — | Indiana |
| 50 | Buddy L. Stoner | 4 | Son | — | Indiana |
| 51 | Harold L. Stoner | 2 | Son | — | Indiana |
| 52 | Pauline Stoner | 0 | Daughter | — | Indiana |
| 53 | Ira C. Hostetler | 47 | Head | Farmer | Indiana |
| 54 | Pearl Hostetler | 47 | Wife | — | Indiana |
| 55 | William S. Hostetler | 18 | Son | Farmer | Indiana |
| 56 | Marshal Cassell | 38 | Head | Road Worker | Indiana |
| 57 | Louisa Cassell | 31 | Wife | — | Indiana |
| 58 | Fred S. Gaylor | 54 | Head | Farmer | Indiana |
| 59 | Effie G. Gaylor | 54 | Wife | — | Indiana |
| 60 | James H. Cobb THIS PERSON | 31 | Head | Farmer | Kentucky |
| 61 | Gladys M. Cobb | 26 | Wife | — | Kentucky |
| 62 | James A. Cobb | 2 | Son | — | Indiana |
| 63 | Vera M. Cobb | 10 | Daughter | — | Kentucky |
| 64 | Doris J. Cobb | 7 | Daughter | — | Indiana |
| 65 | Dorothy M. Cobb | 6 | Daughter | — | Indiana |
| 66 | John V. Clapp | 38 | Head | Farm Labor | Indiana |
| 67 | Nellie M. Clapp | 32 | Wife | — | Indiana |
| 68 | Burl F. Clapp | 10 | Son | — | Indiana |
| 69 | Frank M. Fisher | 54 | Head | Farmer | Indiana |
| 70 | Marguerite E. Fisher | 38 | Wife | — | Indiana |
| 71 | Frank M. Jr. Fisher | 8 | Son | — | Indiana |
| 72 | Clarence W. Reed | 58 | Head | Farmer | Illinois |
| 73 | Marguerite E. Reed | 56 | Wife | — | Indiana |
| 74 | Lola J. Morris | 79 | In-law | — | Indiana |
| 75 | William M. Barmore | 52 | Head | Farmer | Kentucky |
| 76 | Blanche M. Barmore | 52 | Wife | — | Kentucky |
| 77 | Everett S. Barmore | 23 | Son | Farmer | Kentucky |
| 78 | Clarence D. Rigaby | 55 | Head | Farmer | Kentucky |
| 79 | Luther A. Rigaby | 55 | Wife | — | Kentucky |
| 80 | Lucille S. Rigaby | 17 | Daughter | — | Kentucky |
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)