JF
John Farmer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Williamson-County, Illinois
Our Model Tree links this John Farmer across the 1930 and 1940 US Censuses in Williamson-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamson-County, Illinois |
| Surname | Farmer |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Marion City |
| 1935 Residence (County) | Williamson |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Marion City |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| John Farmer | Head | — | 49 | ~1891 |
| Harold Farmer | Son | — | 22 | ~1918 |
| Addie Farmer | Spouse | — | 52 | ~1888 |
| Cecil Farmer | Son | — | 12 | ~1928 |
| John Farmer | Son | — | 16 | ~1924 |
| Alva Farmer | Son | — | 13 | ~1927 |
| Elmer Farmer | Son | — | 17 | ~1923 |
| Jewel Farmer | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Williamson, Illinois
Son, age 6
Williamson, Illinois · implied b. ~1924 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farmer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Williamson-County, Illinois
Son, age 16
Williamson-County, Illinois · implied b. ~1924 — 8 household members
| Surname | Farmer |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Marion City |
| 1935 Residence (County) | Williamson |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Farmer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Farmer
Son · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Harold Farmer
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jewel Farmer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Farmer
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alva Farmer
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Farmer
Sibling · 1940 · age 17
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 — Williamson-County, Illinois
Open full size
1940 US Federal Census — Williamson-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00911-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Clayton | 65 | Mother | Clerk | Illinois |
| 2 | Oral Pulley | 59 | Head | Interior Decorator | Illinois |
| 3 | Minnie Pulley | 56 | Wife | — | Illinois |
| 4 | Ersel B Pulley | 18 | Son | — | Illinois |
| 5 | Ida O Davis | 78 | Head | — | Illinois |
| 6 | Robert D Courtney | 27 | Head | Principal | Illinois |
| 7 | Vivian Courtney | 21 | Wife | — | Illinois |
| 8 | Patricia Courtney | 0 | Daughter | — | Illinois |
| 10 | Effie Smiley | 38 | Head | Cook | Illinois |
| 11 | Lillian Mills | 33 | Head | — | Missouri |
| 12 | John Farmer | 49 | Head | — | Illinois |
| 13 | Addie Farmer | 52 | Wife | — | Kentucky |
| 14 | Harold Farmer | 22 | Son | Salesman | Illinois |
| 15 | Jewel E Farmer | 21 | Daughter | Cook | Illinois |
| 16 | Elmer Farmer | 17 | Son | Delivery | Illinois |
| 17 | John Jr Farmer THIS PERSON | 16 | Son | — | Illinois |
| 18 | Alva Farmer | 13 | Son | — | Illinois |
| 19 | Cecil Farmer | 12 | Son | — | Illinois |
| 20 | Carrie Wunderlich | 43 | Head | Cashier | Alabama |
| 21 | Lois Evelyn Wunderlich | 21 | Daughter | — | Alabama |
| 22 | Villa Buckner | 32 | Lodger | Miner | Indiana |
| 23 | Vilas Turner | 35 | Head | Operator | Illinois |
| 24 | Eva Turner | 33 | Wife | — | Illinois |
| 25 | Marvis Turner | 12 | Daughter | — | Illinois |
| 26 | Vilas Jr Turner | 9 | Son | — | Illinois |
| 27 | Jerry Turner | 6 | Son | — | Illinois |
| 28 | Pauline Boester | 19 | Housekeeper | Housekeeper | Illinois |
| 29 | Charles Bowman | 40 | Head | Miner | Illinois |
| 30 | Geraldine Bowman | 35 | Wife | — | Illinois |
| 31 | Mary Ellen Bowman | 12 | Daughter | — | Illinois |
| 32 | Lorry Ray Bowman | 8 | Son | — | Illinois |
| 33 | Granville Clayton | 72 | Head | — | Illinois |
| 34 | Lena Walker | 66 | Head | — | Germany |
| 35 | Londine Kelley | 16 | Grandson | — | Illinois |
| 36 | Luther Penley | 53 | Head | Miner | Kentucky |
| 37 | Vera Penley | 44 | Wife | — | Tennessee |
| 38 | James Anderson | 24 | Head | Truck Driver | Illinois |
| 39 | Marcie Anderson | 20 | Wife | — | Illinois |
| 40 | Alvie Mae Anderson | 2 | Son | — | 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)