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Ralph Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Indiana
Our Model Tree links this Ralph Lewis across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Indiana (XGBoost, ~Confirmed), with identified parents Edward & Laura — first a head (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Indiana |
| Surname | Lewis |
| Given Name | Ralph M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Madison |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Grocery - retail |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 298 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | Fall Creek Twp |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Shirley Lewis | Daughter | — | 3 | ~1937 |
| Gertrude Lewis | Spouse | — | 23 | ~1917 |
| Ralph Lewis | Head | — | 24 | ~1916 |
Census Appearances
1920
Madison, Indiana
Son, age 4
Madison, Indiana · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Hamilton, Indiana
Son, age 14
Hamilton, Indiana · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Hamilton-County, Indiana
Head, age 24
Hamilton-County, Indiana · implied b. ~1916 — 3 household members
| Surname | Lewis |
| Given Name | Ralph M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Madison |
| Occupation | Truck driver |
| Industry | Grocery - retail |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 298 |
| Highest Grade | H-4 |
| 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 Ralph Lewis across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Edward Lewis (~0.92 confidence) and mother Laura Lewis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Lewis
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Laura Lewis
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Lewis
Head · 1940 · age 24 · b. ~1916 · Indiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Indiana
Open full size
1940 US Federal Census — Hamilton-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01050-00206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marian E. Sutton | 21 | Head | Laborer | Indiana |
| 2 | Rosella Sutton | 20 | Wife | — | Indiana |
| 3 | Daniel L. Sutton | 2 | Son | — | Indiana |
| 4 | Rudolph Krause | 25 | Head | — | Indiana |
| 5 | Mildred Krause | 20 | Wife | — | Indiana |
| 6 | Robert Krause | 1 | Son | — | Indiana |
| 7 | Harry C. Young | 50 | Head | Farm Operator | Indiana |
| 8 | Lily Young | 50 | Wife | — | Indiana |
| 9 | Harry L. Young | 31 | Son | Laborer | Indiana |
| 10 | Charles Jennings | 31 | Head | Buffer | Indiana |
| 11 | Alice Jennings | 29 | Wife | — | Indiana |
| 12 | Jerolyn Jennings | 7 | daughter | — | Indiana |
| 13 | Jimmy Jennings | 5 | son | — | Indiana |
| 14 | William S. Weaver | 68 | Head | Farm Operator | Indiana |
| 15 | Anna Weaver | 55 | wife | — | Indiana |
| 16 | John Martin | 76 | hired hand | Laborer | Indiana |
| 17 | Waldo C. Trick | 59 | Head | Farm Operator | Indiana |
| 18 | Ethel Trick | 58 | wife | — | Indiana |
| 19 | Richard Trick | 19 | son | Laborer | Indiana |
| 20 | Jean Trick | 18 | daughter | — | Indiana |
| 21 | Herman T. Clark | 48 | Head | Farm Operator | Indiana |
| 22 | Edith M. Clark | 47 | wife | — | Indiana |
| 23 | Mildred E. Clark | 22 | daughter | — | Indiana |
| 24 | Mary E. Clark | 18 | daughter | — | Indiana |
| 25 | Robert W. Clark | 17 | son | — | Indiana |
| 26 | Harry A. Abney | 42 | hired hand | Laborer | Indiana |
| 27 | James A. Breedlove | 68 | Head | Farm Operator | Indiana |
| 28 | Emma Breedlove | 69 | wife | — | Iowa |
| 29 | Robert E. Lewis | 27 | Head | Die Operator | Indiana |
| 30 | Alice C. Lewis | 21 | wife | — | Indiana |
| 31 | Barbara E. Lewis | 1 | daughter | — | Indiana |
| 32 | Laura E. Lewis | 64 | mother | — | Indiana |
| 33 | Charles D. Graham | 73 | Head | Salesman | Indiana |
| 34 | Lydia Graham | 65 | wife | — | N. Carolina |
| 35 | Lester D. Luttrell | 29 | Step son | — | Indiana |
| 36 | Robert J. Marr | 34 | Head | Press Operator | Illinois |
| 37 | Marguerite Marr | 29 | wife | — | Indiana |
| 38 | Ralph M. Lewis THIS PERSON | 24 | Head | Truck Driver | Indiana |
| 39 | Gertrude S. Lewis | 23 | wife | — | Indiana |
| 40 | Shirley A. Lewis | 3 | daughter | — | Indiana |
Pedigree Summary
Ralph
Gen 1 · 2 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)