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Lucy Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, Illinois
Our Model Tree links this Lucy Lewis across the 1930 and 1940 US Censuses in Clark-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Illinois |
| Surname | Lewis |
| Given Name | Lucy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Industry | 0 |
| Highest Grade | S 4 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Wabash Twp |
| Est. Birth Year | ~1930 |
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 Lucy | Age | Birth yr |
|---|---|---|---|---|
| Betty Lewis | Daughter | — | 7 | ~1933 |
| Blanche Liggett | Other | — | 57 | ~1883 |
| Fredrick Lewis | Son | — | 8 | ~1932 |
| Lucy Lewis | Daughter | — | 10 | ~1930 |
| Jack Lewis | Son | — | 4 | ~1936 |
| Sandra Lewis | Daughter | — | ~1940 | |
| Mabel Lewis | Spouse | — | 32 | ~1908 |
| Frederick Lewis | Head | — | 36 | ~1904 |
Census Appearances
1930
Clark, Illinois
Daughter, age 1
Clark, Illinois · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Lucy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Clark-County, Illinois
Daughter, age 10
Clark-County, Illinois · implied b. ~1930 — 8 household members
| Surname | Lewis |
| Given Name | Lucy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Clark |
| Industry | 0 |
| Highest Grade | S 4 |
| 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 Lucy Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucy Lewis
Daughter · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Jack Lewis
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fredrick Lewis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sandra Lewis
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Lewis
Sibling · 1940 · age 7
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 — Clark-County, Illinois
Open full size
1940 US Federal Census — Clark-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00768-00466)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Jean Pine | 7 | daughter | — | Illinois |
| 42 | Mary Lee | 62 | Head | — | West Virginia |
| 43 | Perry Lee | 42 | son | — | Illinois |
| 44 | Fred D. Hewitt | 42 | Head | — | Illinois |
| 45 | Margurite Hewitt | 41 | wife | — | Illinois |
| 46 | Wm X Edwards | 56 | Head | — | Indiana |
| 47 | Mary Edwards | 46 | wife | — | Indiana |
| 48 | Chas Swain | 26 | son | — | Indiana |
| 49 | Fred Swain | 20 | son | — | Indiana |
| 50 | Mildred Swain | 18 | daughter | Housework | Indiana |
| 51 | Billy Swain | 11 | son | — | Indiana |
| 52 | Frederick Lewis | 36 | Head | Farm | Illinois |
| 53 | Mabel Lewis | 32 | wife | — | Illinois |
| 54 | Lucy Lewis THIS PERSON | 10 | daughter | — | Illinois |
| 55 | Fredrick Jr. Lewis | 8 | son | — | Illinois |
| 56 | Betty Lewis | 7 | daughter | — | Illinois |
| 57 | Jack Lewis | 4 | son | — | Illinois |
| 58 | Sandra Sue Lewis | 0 | daughter | — | Illinois |
| 59 | Blanche Liggett | 57 | Mother-in-law | — | Illinois |
| 60 | Kenneth Thompson | 38 | Head | Molder | Illinois |
| 61 | Verda Thompson | 40 | wife | — | Indiana |
| 62 | Robert Thompson | 20 | son | — | Indiana |
| 63 | Margurite Thompson | 16 | daughter | — | Indiana |
| 64 | Betty Lou Thompson | 12 | daughter | — | — |
| 65 | Jackie Thompson | 9 | son | — | — |
| 66 | Lucile Thompson | 8 | daughter | — | — |
| 67 | Montell Thompson | 7 | son | — | — |
| 68 | Herman Waller | 58 | Head | — | Illinois |
| 69 | Tillie Waller | 58 | wife | — | Illinois |
| 70 | Kenneth Waller | 23 | son | — | Illinois |
| 71 | J. T. Travolia | 18 | nephew | — | Illinois |
| 72 | Chas D. Garner | 33 | Head | — | Illinois |
| 73 | Lucile Garner | 28 | wife | — | Illinois |
| 74 | Sam Liffick | 76 | Head | — | Illinois |
| 75 | Katy Liffick | 76 | wife | — | Indiana |
| 76 | Lesta Liffick | 45 | daughter | — | Illinois |
| 77 | Leslie Liffick | 43 | daughter | — | Illinois |
| 78 | Wm Pine | 83 | Head | — | Illinois |
| 79 | Cliff Pine | 40 | son | — | Illinois |
| 80 | Maud Cassady | 61 | Housekeeper | Housekeeper | 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)