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John Jenkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Ohio
Our Model Tree links this John Jenkins across the 1920, 1930 and 1940 US Censuses in Champaign-County, Ohio (XGBoost, ~Confirmed), with identified parents Jacob & Jacob — first a head (b.~1904), then head of a 8-person household.
Age 36
b. ~1904
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Ohio |
| Surname | Jenkins |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. Road construction |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | No 5 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Wayne Township |
| Est. Birth Year | ~1904 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Blanche Jenkins | Daughter | — | 12 | ~1928 |
| Margaret Jenkins | Daughter | — | 7 | ~1933 |
| Franklin Jenkins | Daughter | — | 1 | ~1939 |
| Edna Jenkins | Daughter | — | 10 | ~1930 |
| John Jenkins | Head | — | 36 | ~1904 |
| Harold Jenkins | Son | — | 3 | ~1937 |
| Sherman Jenkins | Son | — | 8 | ~1932 |
| Lucy Jenkins | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Champaign, Ohio
Son, age 16
Champaign, Ohio · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Champaign, Ohio
Son, age 26
Champaign, Ohio · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 22 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Champaign-County, Ohio
Head, age 36
Champaign-County, Ohio · implied b. ~1904 — 8 household members
| Surname | Jenkins |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Champaign |
| Occupation | Laborer |
| Industry | W.P.A. Road construction |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | No 5 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 John Jenkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Jenkins (~0.92 confidence) and father Jacob Jenkins (~0.92 confidence) and mother Ella Jenkins (~0.92 confidence) and mother Ella Jenkins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Jenkins
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Jacob Jenkins
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Ella Jenkins
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Ella Jenkins
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Jenkins
Head · 1940 · age 36 · b. ~1904 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Champaign-County, Ohio
Open full size
1940 US Federal Census — Champaign-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03037-00706)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John J. Bahan | 33 | Head | Farm Operator | Ohio |
| 42 | Marie Bahan | 29 | Wife | — | Ohio |
| 43 | Ned Bahan | 7 | Nephew | — | Ohio |
| 44 | Margaret Bahan | 74 | Head | — | Ohio |
| 45 | Frank Bahan | 43 | Son | Farm Operator | Ohio |
| 46 | Nelson Bahan | 40 | Son | Superintendent | Ohio |
| 47 | William Bahan | 40 | Son | Farm Laborer | Ohio |
| 48 | Charles H. Vertner | 64 | Head | Common Laborer | Ohio |
| 49 | Inez Vertner | 52 | Wife | — | Ohio |
| 50 | Robert Vertner | 23 | Son | Laborer | Ohio |
| 51 | Madeline Vertner | 25 | Daughter | Laborer | Ohio |
| 52 | Lillian Cornelly | 32 | Boarder | Laborer | Ohio |
| 53 | Louis Ross | 32 | Head | Laborer | Ohio |
| 54 | Catherine Ross | 30 | Wife | — | Ohio |
| 55 | Cecil Ross | 8 | Son | — | Ohio |
| 56 | Betty Ross | 5 | Daughter | — | Ohio |
| 57 | Joan Ross | 4 | Daughter | — | Ohio |
| 58 | Ray Gibson | 33 | Head | Plasterer | Ohio |
| 59 | Ruth Gibson | 27 | Wife | — | Ohio |
| 60 | James Gibson | 8 | Son | — | Ohio |
| 61 | Mary Gibson | 7 | Daughter | — | Ohio |
| 62 | John Dingy | 39 | Head | Laborer | West Virginia |
| 63 | Treau Dingy | 35 | Wife | — | West Virginia |
| 64 | Belva Dingy | 15 | Daughter | — | West Virginia |
| 65 | John Dingy | 13 | Son | — | Ohio |
| 66 | Helen Dingy | 11 | Daughter | — | Ohio |
| 67 | Edward Dingy | 10 | Son | — | Ohio |
| 68 | Ruth Dingy | 7 | Daughter | — | Ohio |
| 69 | Mary Dingy | 4 | Daughter | — | Ohio |
| 70 | Charles Dingy | 2 | Son | — | Ohio |
| 71 | John Jenkins THIS PERSON | 36 | Head | Laborer | Ohio |
| 72 | Lucy Jenkins | 33 | Wife | — | Ohio |
| 73 | Blanche Jenkins | 12 | Daughter | — | Ohio |
| 74 | Edna Jenkins | 10 | Daughter | — | Ohio |
| 75 | Sherman Jenkins | 8 | Son | — | Ohio |
| 76 | Margaret Jenkins | 7 | Daughter | — | Ohio |
| 77 | Harold Jenkins | 3 | Son | — | Ohio |
| 78 | Franklin Jenkins | 1 | Daughter | — | Ohio |
| 79 | Lloyd Roush | 26 | Head | Farmer | Ohio |
| 80 | Anna Bell Roush | 25 | Wife | — | Ohio |
Pedigree Summary
John
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)