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John Jenkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this John Jenkins across the 1920, 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 2-person household.
Age 79
b. ~1861
Male
Head
Born: Indiana
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Jenkins |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Catlin Twp. |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farmer |
| Township / Ward | Catlin Twp |
| Est. Birth Year | ~1861 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gladie Jenkins | Daughter | — | 48 | ~1892 |
| John Jenkins | Head | — | 79 | ~1861 |
Census Appearances
1920
Vermilion, Illinois
Head, age 57
Vermilion, Illinois · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vermilion, Illinois
Head, age 69
Vermilion, Illinois · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| Age at First Marriage | O |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Home Value / Rent | R |
| Radio Set | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vermilion-County, Illinois
Head, age 79
Vermilion-County, Illinois · implied b. ~1861 — 2 household members
| Surname | Jenkins |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Catlin Twp. |
| 1935 Residence (County) | Vermilion |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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.
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This person
Anchor record
John Jenkins
Head · 1940 · age 79 · b. ~1861 · 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 — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00897-00162)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hassie Jones | 4 | Son | — | Illinois |
| 42 | Odie Jones | 2 | Son | — | Illinois |
| 43 | Mary Jones | 1 | Daughter | — | Illinois |
| 44 | Vernon Cooper | 45 | Head | Farmer | Illinois |
| 45 | Jed Jones | 80 | Head | Farmer | Illinois |
| 46 | Lucile Deal | 35 | Housekeeper | Housekeeper | Illinois |
| 47 | Guy Doellinger | 29 | Head | Farm Laborer | Illinois |
| 48 | Marcella Doellinger | 27 | Wife | — | Illinois |
| 49 | Norma Doellinger | 7 | Daughter | — | Illinois |
| 50 | Vivian Doellinger | 6 | Daughter | — | Illinois |
| 51 | Patricia Doellinger | 4 | Daughter | — | Illinois |
| 52 | Evelyn Doellinger | 2 | Daughter | — | Illinois |
| 53 | Linda Lou Doellinger | 1 | Daughter | — | Illinois |
| 54 | Lloyd Elmore | 28 | Head | Farmer | Illinois |
| 55 | Ruth Elmore | 26 | Wife | Beauty Operator | Illinois |
| 56 | Stewart Griffith | 75 | Head | Farmer | Ohio |
| 57 | Ed Griffith | 45 | Son | Truck Operator | Illinois |
| 58 | Ruth Griffith | 46 | Daughter-in-law | — | Missouri |
| 59 | Clyde Church | 46 | Head | Farmer | Illinois |
| 60 | Fannie Church | 37 | Sister | — | Illinois |
| 61 | Ralph Church | 50 | Brother | Farmer | Illinois |
| 62 | James Church | 44 | Brother | Farmer | Illinois |
| 63 | Lowell Church | 42 | Brother | Farmer | Illinois |
| 64 | Willard Church | 41 | Brother | — | Illinois |
| 65 | Alfred Church | 33 | Brother | Farmer | Illinois |
| 66 | Harlan Jenkins | 43 | Head | Farmer | Illinois |
| 67 | Mary Jenkins | 42 | Wife | — | Illinois |
| 68 | Ruth Jenkins | 18 | Daughter | — | Illinois |
| 69 | Ann Jenkins | 11 | Daughter | — | Illinois |
| 70 | Jane Jenkins | 8 | Daughter | — | Illinois |
| 71 | John W. Jenkins THIS PERSON | 79 | Head | Farmer | Indiana |
| 72 | Gladie B. Jenkins | 48 | Daughter | — | Illinois |
| 73 | Ross Church | 53 | Head | Farmer | Illinois |
| 74 | Maude Church | 48 | Wife | — | Illinois |
| 75 | Dorothy Church | 17 | Daughter | School Teacher | Illinois |
| 76 | Hilda Church | 17 | Daughter | — | Illinois |
| 77 | Edwin Parrish | 79 | Head | Farmer | Illinois |
| 78 | Louisa Parrish | 75 | Wife | — | Illinois |
| 79 | Ionia Pearl Parrish | 31 | Hired man | Laborer | Illinois |
| 80 | Arnold Focin | Forin | 40 | Head | Farmer | Illinois |
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)