LJ
Lewis Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Illinois
Our Model Tree links this Lewis Jones across the 1930 and 1940 US Censuses in Marion-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 9-person household.
Age 38
b. ~1902
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Illinois |
| Surname | Jones |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Foster Township |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Foster Township |
| Est. Birth Year | ~1902 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lewis | Age | Birth yr |
|---|---|---|---|---|
| Lewis Jones | Head | — | 38 | ~1902 |
| Cecil Jones | Son | — | 7 | ~1933 |
| Billy Jones | Son | — | 2 | ~1938 |
| Donald Jones | Son | — | 9 | ~1931 |
| Richard Jones | Son | — | 1 | ~1939 |
| Elean Jones | Son | — | 11 | ~1929 |
| Dwight Jones | Son | — | 5 | ~1935 |
| Harold Jones | Son | — | 13 | ~1927 |
| Nella Jones | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Marion, Illinois
Head, age 28
Marion, Illinois · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Lewis H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | 10 |
| Veteran | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Marion-County, Illinois
Head, age 38
Marion-County, Illinois · implied b. ~1902 — 9 household members
| Surname | Jones |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Foster Township |
| 1935 Residence (County) | Marion |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 Lewis Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lewis Jones
Head · 1940 · age 38 · b. ~1902 · 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 — Marion-County, Illinois
Open full size
1940 US Federal Census — Marion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00852-00621)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter Boring | 13 | Son | — | Illinois |
| 42 | Agnes Boring | 12 | Daughter | — | Illinois |
| 43 | Andy Boring | 5 | Son | — | Illinois |
| 44 | Billy Boring | 2 | Son | — | Illinois |
| 45 | Pella O. Porter | 67 | Head | — | Missouri |
| 46 | Silas D. Porter | 69 | Head | Farmer | Illinois |
| 47 | C. A. Walton | 44 | Head | Farmer | Illinois |
| 48 | Mildred Walton | 41 | Wife | — | Illinois |
| 49 | Wayne Walton | 17 | Son | — | Illinois |
| 50 | Lealy Walton | 14 | Daughter | — | Illinois |
| 51 | Keith Walton | 11 | Son | — | Illinois |
| 52 | Merle Walton | 10 | Son | — | Illinois |
| 53 | James Kenneth Walton | 5 | Son | — | Illinois |
| 54 | M. C. Boutler | Boutier | 71 | Head | Farmer | Illinois |
| 55 | Edith Boutler | Boutier | 58 | Wife | — | Illinois |
| 56 | Louie Boutler | Boutier | 24 | Son | Laborer | Illinois |
| 57 | Katherine Boutler | Boutier | 23 | Daughter | — | Illinois |
| 58 | Mary Nell Boutler | Boutier | 20 | Daughter | — | Illinois |
| 59 | W. H. Jones | 72 | Head | Farmer | Alabama |
| 60 | Martha S. Jones | 68 | Wife | — | Illinois |
| 61 | Jesse Jones | 42 | Head | Millwright | Illinois |
| 62 | Lavada Jones | 40 | Wife | — | Illinois |
| 63 | Katherine Jones | 20 | Daughter | — | Illinois |
| 64 | Pearl Jones | 7 | Daughter | — | Illinois |
| 65 | Kenneth Jones | 5 | Son | — | Illinois |
| 66 | John D. Jones | 3 | Son | — | Illinois |
| 67 | Merle Jones | 37 | Head | Truck Driver | Illinois |
| 68 | Elma Jones | 34 | Wife | — | Illinois |
| 69 | Floyd Jones | 13 | Son | — | Illinois |
| 70 | Betty Jones | 10 | Daughter | — | Illinois |
| 71 | Lewis Jones THIS PERSON | 38 | Head | Farmer | Illinois |
| 72 | Nella Jones | 38 | Wife | — | Illinois |
| 73 | Harold Jones | 13 | Son | — | Illinois |
| 74 | Elean Jones | 11 | Son | — | Illinois |
| 75 | Donald Jones | 9 | Son | — | Illinois |
| 76 | Cecil Jones | 7 | Son | — | Illinois |
| 77 | Dwight Jones | 5 | Son | — | Illinois |
| 78 | Billy Jones | 2 | Son | — | Illinois |
| 79 | Richard Jones | 1 | Son | — | Illinois |
| 80 | Manor Lansford | 56 | 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)