JC
James Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Peoria-County, Illinois
Our Model Tree links this James Cochran across the 1920, 1930 and 1940 US Censuses in Peoria-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 7-person household.
Age 56
b. ~1884
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Peoria-County, Illinois |
| Surname | Cochran |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Peoria city |
| 1935 Residence (County) | Peoria |
| Additional Details | |
| Occupation | truck driver |
| Industry | transfer Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Truck Driver |
| Township / Ward | Peoria City |
| Est. Birth Year | ~1884 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Earl Cochran | Son | — | 15 | ~1925 |
| James Cochran | Head | — | 56 | ~1884 |
| Thomas Cochran | Son | — | 8 | ~1932 |
| Eileen Cochran | Daughter | — | 11 | ~1929 |
| Harold Cochran | Son | — | 14 | ~1926 |
| Velatra Cochran | Spouse | — | 45 | ~1895 |
| Elmer Cochran | Son | — | 26 | ~1914 |
Census Appearances
1920
Tazewell, Illinois
Head, age 36
Tazewell, Illinois · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | J. G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Machine Man |
| Industry | Shelling Mill |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Tazewell, Illinois
Head, age 46
Tazewell, Illinois · implied b. ~1884 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 25 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Peoria-County, Illinois
Head, age 56
Peoria-County, Illinois · implied b. ~1884 — 7 household members
| Surname | Cochran |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Peoria city |
| 1935 Residence (County) | Peoria |
| Occupation | truck driver |
| Industry | transfer Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Cochran
Head · 1940 · age 56 · b. ~1884 · Illinois
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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 — Peoria-County, Illinois
Open full size
1940 US Federal Census — Peoria-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00917-00184)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gerald Davidson | 23 | Head | Metal Grinder | Illinois |
| 2 | Lucille Davidson | 25 | Wife | None | Illinois |
| 3 | Carmen Davidson | 2 | Daughter | — | Illinois |
| 4 | Ellen Davidson | 48 | Mother | None | Illinois |
| 5 | Paul Lawrence | 30 | Head | Utility Man | Illinois |
| 6 | Myra Lawrence | 70 | Mother | None | Mississippi |
| 7 | William Mclean | 60 | Head | General Work | Illinois |
| 8 | Violet Mclean | 57 | Wife | None | Illinois |
| 9 | Clarence Schuely | 35 | Head | Mill Wright | Illinois |
| 10 | Catherine Schuely | 32 | Wife | None | Illinois |
| 11 | David Crandell | 54 | Head | Laborer | Illinois |
| 12 | Sigrid Crandell | 56 | Wife | None | Sweden |
| 13 | Harry Crandell | 35 | Head | Driver-Clerk | Illinois |
| 14 | Arline Crandell | 27 | Wife | None | Illinois |
| 15 | Richard Crandell | 3 | Son | — | Illinois |
| 16 | Donald Crandell | 1 | Son | — | Illinois |
| 17 | William Holland | 30 | Head | Steel Cutter | Kentucky |
| 18 | Hazel Holland | 26 | Wife | None | Kentucky |
| 19 | Martin Holland | 1 | Son | — | Illinois |
| 20 | Hurley Nickles | 35 | Head | Crane Operator | Illinois |
| 21 | Antrella Nickles | 33 | Wife | None | Illinois |
| 22 | Jesse L. Bennett | 45 | Head | Laborer | Illinois |
| 23 | Mabel A. Bennett | 55 | Wife | None | Illinois |
| 24 | Margaret A. Bennett | 18 | Daughter | New Worker | Illinois |
| 25 | Richard M. Bennett | 15 | Son | None | Illinois |
| 26 | Isabel J. Bennett | 13 | Daughter | None | Illinois |
| 27 | James Cochran THIS PERSON | 56 | Head | Truck Driver | Colorado |
| 28 | Velatra Cochran | 45 | Wife | None | Illinois |
| 29 | Elmer Cochran | 26 | Son | Laborer | Illinois |
| 30 | Earl Cochran | 15 | Son | None | Illinois |
| 31 | Harold Cochran | 14 | Son | None | Illinois |
| 32 | Eileen Cochran | 11 | Daughter | — | Illinois |
| 33 | Thomas Cochran | 8 | Son | — | Illinois |
| 34 | Jesse Talbert | 28 | Head | Mechanic | Illinois |
| 35 | Pearl Talbert | 23 | Wife | None | Illinois |
| 36 | Catherine Talbert | 6 | Daughter | — | Illinois |
| 37 | Arvid Johnson | 51 | Head | Stationary Fireman | Illinois |
| 38 | Jennie Johnson | 58 | Wife | None | Minnesota |
| 39 | Robert S. Johnson | 22 | Son | Clerk In Car | Illinois |
| 40 | Carl Hammer | 44 | Head | Blacksmith | Sweden |
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)