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David Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this David Lewis across the 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed), with identified parents Catherine & Stanley — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Lewis |
| Given Name | David F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Hamilton City |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Occupation | Machinist |
| Industry | Tool Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2630 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Machinist |
| Township / Ward | Hamilton City |
| Est. Birth Year | ~1900 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Marion Lewis | Daughter | — | 10 | ~1930 |
| David Lewis | Head | — | 40 | ~1900 |
| David Lewis | Son | — | 13 | ~1927 |
| Emeline Lewis | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Butler, Ohio
Son, age 21
Butler, Ohio · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Head, age 30
Butler, Ohio · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | David F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 26 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Machinist |
| Industry | Tool Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $23.00 |
| Radio Set | R |
| Veteran | no |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Head, age 40
Butler-County, Ohio · implied b. ~1900 — 4 household members
| Surname | Lewis |
| Given Name | David F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Hamilton City |
| 1935 Residence (County) | Butler |
| Occupation | Machinist |
| Industry | Tool Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2630 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 David Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Catherine Lewis (~0.92 confidence) and father Stanley Lewis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Catherine Lewis
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Stanley Lewis
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
David Lewis
Head · 1940 · age 40 · b. ~1900 · Ohio
★ 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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03032-00516)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose R. Chernick | 23 | Wife | Secretary | Iowa |
| 42 | Thomas E. Reeves | 30 | Head | Sales Department | Ohio |
| 43 | Evelyn F. Reeves | 22 | Wife | Sales Department | Illinois |
| 44 | Taylor Estridge | 39 | Head | Retail Grocer | Kentucky |
| 45 | Francis E. | 34 | Wife | Retail Grocer | Illinois |
| 46 | Lois E. | 16 | Daughter | — | Illinois |
| 47 | David F. Lewis THIS PERSON | 40 | Head | Machinist | Ohio |
| 48 | Emeline Lewis | 45 | Wife | — | Ohio |
| 49 | David G. Lewis | 13 | Son | — | Ohio |
| 50 | Marion Lewis | 10 | Daughter | — | Ohio |
| 51 | Lester Whitton | 30 | Head | Grocer | Ohio |
| 52 | Marie Whitton | 23 | Wife | — | Ohio |
| 53 | Shirley M. Whitton | 4 | Daughter | — | Ohio |
| 54 | Samuel F. Shiflet | 74 | Head | — | Virginia |
| 55 | Barbara A. Shiflet | 68 | Wife | — | Ohio |
| 56 | Leila K. Lippins | 35 | Daughter | Seamstress | Ohio |
| 57 | Paul A. Zooke | 7 | Grandson | — | Ohio |
| 58 | Charles Manson | 78 | Head | — | Germany |
| 59 | Bertha Hoffman | 69 | Housekeeper | Housekeeper | Germany |
| 60 | William R. Hoffman | 66 | Head | Examiner-Enumerator | Ohio |
| 61 | Ada Hoffman | 63 | Wife | — | Ohio |
| 62 | Lenore K. Hoffman | 33 | Daughter | Stenographer | Ohio |
| 63 | Ruth Hoffman | 31 | Daughter | Social Worker | Ohio |
| 64 | Richard Hoffman | 25 | Son | Office Clerk | Ohio |
| 65 | William R. Halterman | 32 | Head | Decorator | Ohio |
| 66 | Nella Halterman | 26 | Wife | — | Kentucky |
| 67 | Alice Halterman | 9 | Daughter | — | Ohio |
| 68 | William F. Halterman | 67 | Father | Decorator | Ohio |
| 69 | John J. Halterman | 35 | Brother | Salesman | Ohio |
| 70 | Charles H. Kahn | 63 | Head | W.P.A. Junior Clerk | Ohio |
| 71 | Myrtle Kahn | 59 | Wife | — | Ohio |
| 72 | Frank L. Estridge | 25 | Head | Grocer | Kentucky |
| 73 | Norma L. Estridge | 30 | Wife | — | North Carolina |
| 74 | Jesse P. Pochard | 64 | Head | Night Clerk | Ohio |
| 75 | Anna Pochard | 59 | Wife | — | Germany |
| 76 | James H. Whillock | 59 | Head | Painter | Kentucky |
| 77 | Blair Honaker | 20 | Son-in-law | Paper Maker | Ohio |
| 78 | Florence Honaker | 24 | Daughter | Timekeeper | Ohio |
| 79 | Emma J. Smith | 10 | Granddaughter | — | Ohio |
| 80 | John B. Grothaus | 70 | Head | Medical Doctor | Ohio |
Pedigree Summary
David
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)