JL
John Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Illinois
Our Model Tree links this John Lewis across the 1920, 1930 and 1940 US Censuses in Clay-County, Illinois (XGBoost, ~Confirmed), with identified parents Owen & Battie — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Illinois |
| Surname | Lewis |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Stanford Twp |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Stanford Twp |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Norma Lewis | Daughter | — | 29 | ~1911 |
| Owen Lewis | Head | — | 72 | ~1868 |
| John Lewis | Son | — | 30 | ~1910 |
| Harriett Lewis | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Clay, Illinois
Son, age 9
Clay, Illinois · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Clay, Illinois
Son, age 20
Clay, Illinois · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Clay-County, Illinois
Son, age 30
Clay-County, Illinois · implied b. ~1910 — 4 household members
| Surname | Lewis |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Stanford Twp |
| 1935 Residence (County) | Clay |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Owen Lewis (~0.92 confidence) and mother Battie Lewis (~0.92 confidence) and mother Harriett Lewis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Owen Lewis
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Battie Lewis
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Harriett Lewis
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lewis
Son · 1940 · age 30 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Norma Lewis
Sibling · 1940 · age 29
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 — Clay-County, Illinois
Open full size
1940 US Federal Census — Clay-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00769-00500)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Owen Lewis | 72 | Head | — | Illinois |
| 42 | Harriett F Lewis | 70 | Wife | — | Illinois |
| 43 | John H Lewis THIS PERSON | 30 | Son | Farmer | Illinois |
| 44 | Norma T Lewis | 29 | Daughter | Stitcher | Illinois |
| 45 | Harold B Binstein | 32 | Head | Farmer | Illinois |
| 46 | Alice F Binstein | 32 | Wife | — | Illinois |
| 47 | Bert W Binstein | 60 | Head | — | Illinois |
| 48 | Luella Binstein | 52 | Wife | — | Illinois |
| 49 | Nabor D Binstein | 28 | Son | Farmer | Illinois |
| 50 | Henry R Hardy | 43 | Head | Farmer | Illinois |
| 51 | Mary M Hardy | 40 | Wife | — | Illinois |
| 52 | Margaret R Hardy | 19 | Daughter | — | Illinois |
| 53 | Harold E Hardy | 11 | Son | — | Illinois |
| 54 | James T Cable | 35 | Head | W. P. A. Labor | Illinois |
| 55 | Frances Cable | 27 | Wife | — | Texas |
| 56 | Priscilla J Cable | 7 | Daughter | — | Oklahoma |
| 57 | William R Cable | 5 | Son | — | Oklahoma |
| 58 | James Jr Cable | 4 | Son | — | Illinois |
| 59 | Steven D Cable | 2 | Son | — | Illinois |
| 60 | Harold D Horned | 54 | Head | Farmer | Illinois |
| 61 | Lala C Horned | 54 | Wife | — | Illinois |
| 62 | Joseph W Horned | 26 | Son | Farmer | Illinois |
| 63 | Harry Nugent | 50 | Head | Farmer | Indiana |
| 64 | Maud Nugent | 50 | Wife | — | Illinois |
| 65 | Adline Armstrong | 89 | Mother-in-law | — | Illinois |
| 66 | Ernest Rush | 58 | Hired man | Farm Worker | Illinois |
| 67 | Homer D Paris | 35 | Head | Farmer | Illinois |
| 68 | Beulah Paris | 33 | Wife | — | Illinois |
| 69 | Leroy Paris | 15 | Son | — | Illinois |
| 70 | Orval H Clark | 38 | Head | Truck Driver | Illinois |
| 71 | Viola C Clark | 38 | Wife | — | Illinois |
| 72 | Frances J Clark | 17 | Son | Farm Worker | Illinois |
| 73 | Martha M Clark | 15 | Daughter | — | Illinois |
| 74 | Robert L Clark | 12 | Son | — | Illinois |
| 75 | Louis E Clark | 11 | Son | — | Illinois |
| 76 | Cecil B Clark | 10 | Son | — | Illinois |
| 77 | Burel H Clark | 7 | Son | — | Illinois |
| 78 | Gerald A Clark | 3 | Son | — | Illinois |
| 79 | Ova D Leggitt | 45 | Head | Farmer | Illinois |
| 80 | Viola Leggitt | 45 | Wife | — | Illinois |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)