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Fred Wilson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, Illinois
Our Model Tree links this Fred Wilson across the 1920, 1930 and 1940 US Censuses in Mercer-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Illinois |
| Surname | Wilson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rivoli Township |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Hours Worked | 15 |
| Highest Grade | No 7 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rivoli Township |
| Est. Birth Year | ~1887 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Fred Wilson | Head | — | 53 | ~1887 |
| Henry Wilson | Son | — | 24 | ~1916 |
| Ronald Wilson | Son | — | 4 | ~1936 |
| Vernon Wilson | Son | — | 22 | ~1918 |
| Inez Wilson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Mercer, Illinois
Head, age 32
Mercer, Illinois · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mercer, Illinois
Head, age 43
Mercer, Illinois · implied b. ~1887
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Wilson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 28 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Farm Labor |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mercer-County, Illinois
Head, age 53
Mercer-County, Illinois · implied b. ~1887 — 5 household members
| Surname | Wilson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rivoli Township |
| 1935 Residence (County) | Mercer |
| Hours Worked | 15 |
| Highest Grade | No 7 |
| 1935 Residence | Illinois |
| 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 Fred Wilson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Fred Wilson
Head · 1940 · age 53 · b. ~1887 · 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 — Mercer-County, Illinois
Open full size
1940 US Federal Census — Mercer-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00858-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roy Peterson | 29 | Head | Farmer | Illinois |
| 2 | Lillian Peterson | 26 | Wife | — | Illinois |
| 3 | Hayes Brown | 63 | Head | Farmer | Illinois |
| 4 | Mae Brown | 62 | Wife | — | Illinois |
| 5 | Einar Lief | 18 | Hired man | Farm Laborer | Illinois |
| 6 | Richard Kennedy | 46 | Head | Farm Laborer | Illinois |
| 7 | Jessie Kennedy | 48 | Wife | — | Illinois |
| 8 | Carol Kennedy | 17 | Daughter | — | Illinois |
| 9 | D. C. Hennedy | 67 | Head | Farmer | Illinois |
| 10 | Gertrude Hennedy | 37 | Daughter | Teacher | Illinois |
| 11 | Jane Allen | 18 | Housekeeper | Housekeeper | Illinois |
| 12 | Fred Langfad | 54 | Head | Farmer | Illinois |
| 13 | Verl Langfad | 47 | Wife | — | Nebraska |
| 14 | Max Langfad | 22 | Son | Farmer | Illinois |
| 15 | Bruce Langfad | 18 | Son | — | Illinois |
| 16 | Marilyn Langfad | 10 | Daughter | — | Illinois |
| 17 | Fred Wilson THIS PERSON | 53 | Head | — | Illinois |
| 18 | Inez Wilson | 43 | Wife | — | Illinois |
| 19 | Henry Wilson | 24 | Son | Farm Laborer | Illinois |
| 20 | Vernon Wilson | 22 | Son | Farm Laborer | Illinois |
| 21 | Ronald Wilson | 4 | Son | — | Illinois |
| 22 | Hermon Blaine | 58 | Head | Manager | Kentucky |
| 23 | Lee Blaine | 56 | Wife | — | Kentucky |
| 24 | Mary Alice Blaine | 19 | Daughter | — | Illinois |
| 25 | Aleda Calmer | 58 | Head | — | Sweden |
| 26 | Willard Calmer | 30 | Son | Farmer | Illinois |
| 27 | Elloise Calmer | 19 | Daughter | — | Illinois |
| 28 | Thomas Nimrick | 37 | Head | Assembler | Illinois |
| 29 | Edna Nimrick | 33 | Wife | Teacher | Illinois |
| 30 | Blanche Shroyer | 79 | Head | — | Illinois |
| 31 | Olivia Postlewait | 82 | Sister | — | Illinois |
| 32 | Ernest Johnson | 54 | Head | Farmer | Sweden |
| 33 | Agnes Johnson | 41 | Wife | — | Sweden |
| 34 | Carl Johnson | 18 | Son | Farmer | Illinois |
| 35 | Arthur Anderson | 49 | Head | Farmer | Illinois |
| 36 | Inez Anderson | 46 | Wife | — | Illinois |
| 37 | Leonard Anderson | 21 | Son | Farmer | Illinois |
| 38 | Eugene Anderson | 24 | Son | Machinist | Illinois |
| 39 | Helen Anderson | 20 | Daughter-in-law | — | Illinois |
| 40 | John Adamson | 36 | Head | Dairy | 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)