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Donald Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermillion-County, Indiana
Our Model Tree links this Donald Lewis across the 1930 and 1940 US Censuses in Vermillion-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermillion-County, Indiana |
| Surname | Lewis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Newport Town |
| 1935 Residence (County) | Vermillion |
| Additional Details | |
| Occupation | School Janitor |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 25 |
| Income (1939) | 13 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | School Janitor |
| Township / Ward | Newport Town |
| Est. Birth Year | ~1925 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Hattie Lewis | Spouse | — | 38 | ~1902 |
| William Lewis | Son | — | 12 | ~1928 |
| Truman Lewis | Head | — | 42 | ~1898 |
| Donald Lewis | Son | — | 15 | ~1925 |
| Doris Lewis | Daughter | — | 8 | ~1932 |
| Herman Lewis | Son | — | 10 | ~1930 |
| Thurman Lewis | Son | — | 10 | ~1930 |
| Ronald Lewis | Son | — | 2 | ~1938 |
| Bettyanne Lewis | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Vermillion, Indiana
Son, age 6
Vermillion, Indiana · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Donald W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vermillion-County, Indiana
Son, age 15
Vermillion-County, Indiana · implied b. ~1925 — 9 household members
| Surname | Lewis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Newport Town |
| 1935 Residence (County) | Vermillion |
| Occupation | School Janitor |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 25 |
| Income (1939) | 13 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Donald Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Lewis
Son · 1940 · age 15 · b. ~1925 · Indiana
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Sibling
William Lewis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Lewis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thurman Lewis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bettyanne Lewis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Lewis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Lewis
Sibling · 1940 · age 2
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 — Vermillion-County, Indiana
Open full size
1940 US Federal Census — Vermillion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01102-00610)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary F. Willfong | 54 | Wife | — | Same house |
| 2 | Harold Willfong | 24 | Son | Labourer | Same house |
| 3 | Dale Willfong | 22 | Son | Labourer | Same house |
| 4 | Betty Jane Willfong | 13 | Daughter | — | Same house |
| 5 | Raymond Anderson | 33 | Head | Brick Mason | Same house |
| 6 | Eda Anderson | 28 | Wife | — | Same house |
| 7 | Ray Cramer | 44 | Head | Yard Foreman | Indiana |
| 8 | Jessie Cramer | 46 | Wife | — | Indiana |
| 9 | Frank Cramer | 22 | Son | Shoe Laborer | Indiana |
| 10 | Leake Sykes | 39 | Head | Trucker | Indiana |
| 11 | Geneva Sykes | 37 | Wife | — | Kentucky |
| 12 | Martha Catherine Sykes | 12 | Daughter | — | Indiana |
| 13 | Shirley Joan Sykes | 4 | Daughter | — | Indiana |
| 14 | Larry Keith Sykes | 2 | Son | — | Indiana |
| 15 | Truman Lewis | 42 | Head | Setting Kilns | Kentucky |
| 16 | Hattie Lewis | 38 | Wife | — | Indiana |
| 17 | Donald Lewis THIS PERSON | 15 | Son | School Janitor | Indiana |
| 18 | Bettyanne Lewis | 13 | Daughter | — | Indiana |
| 19 | William Lewis | 12 | Son | — | Indiana |
| 20 | Thurman Lewis | 10 | Son | — | Indiana |
| 21 | Herman Lewis | 10 | Son | — | Indiana |
| 22 | Doris Lewis | 8 | Daughter | — | Indiana |
| 23 | Ronald Lewis | 2 | Son | — | Indiana |
| 24 | Cortlan Mack | 54 | Head | Miner | Indiana |
| 25 | Esther Mack | 45 | Wife | — | Indiana |
| 26 | Tom Mack | 21 | Son | New Worker | Indiana |
| 27 | D. Grace Rhenby | 69 | Head | Grade Teacher | Indiana |
| 28 | Walter Aston | 62 | Head | Brick Mason | Indiana |
| 29 | Jennie Aston | 58 | Wife | — | Indiana |
| 30 | Ella L. Hall | 85 | Head | — | Indiana |
| 31 | Sally Dunlap | 22 | Lodger | Stenographer | Indiana |
| 32 | John R. Park | 31 | Head | Teacher And Coach | Illinois |
| 33 | Dorothy Park | 32 | Wife | — | Indiana |
| 34 | Yvonne Park | 2 | Daughter | — | Indiana |
| 35 | Anne P. Rittenhouse | 65 | Head | Restaurantier | Indiana |
| 36 | Robert A. Keeler | 17 | Grandson | 10 | Indiana |
| 37 | Mildred Mendenhall | 42 | Head | — | Ohio |
| 38 | Arthur Mendenhall | 20 | Son | New Worker | Kansas |
| 39 | Robert Mendenhall | 18 | Son | School Janitor | Kansas |
| 40 | Donald Mendenhall | 15 | Son | — | Kansas |
Related Census Records
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)