RL
Robert Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Robert Lewis across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Herman & Homer — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Lewis |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Unincorporated place Ft. McKinley |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Manu. Bearing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Mechanic |
| Township / Ward | Unincorporated Place Ft Mckinley |
| Est. Birth Year | ~1919 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Virginia Lewis | Daughter | — | 19 | ~1921 |
| Homer Lewis | Head | — | 42 | ~1898 |
| Paul Lewis | Son | — | 14 | ~1926 |
| Robert Lewis | Son | — | 21 | ~1919 |
| Richard Lewis | Son | — | 16 | ~1924 |
| Howard Lewis | Son | — | 17 | ~1923 |
| Fred Lewis | Son | — | 34 | ~1906 |
| Georgia Lewis | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Montgomery, Ohio
Son, age 1
Montgomery, Ohio · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Son, age 11
Montgomery, Ohio · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Robert E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Occupation | delivery boy |
| Industry | dairy products |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Son, age 21
Montgomery-County, Ohio · implied b. ~1919 — 8 household members
| Surname | Lewis |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Unincorporated place Ft. McKinley |
| 1935 Residence (County) | Montgomery |
| Occupation | Mechanic |
| Industry | Manu. Bearing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| 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 Robert Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herman Lewis (~0.92 confidence) and father Homer Lewis (~0.92 confidence) and father Norman Lewis (~0.92 confidence) and mother Georgia Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herman Lewis
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Homer Lewis
b. ~1898
Source father
● Household
· direct · ~0.92
Father
Norman Lewis
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Georgia Lewis
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lewis
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Richard Lewis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Lewis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Lewis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Lewis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Lewis
Sibling · 1940 · age 34
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03118-00570)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Koepnick | 33 | Head | Designer | Ohio |
| 42 | Susan G Koepnick | 39 | Wife | — | Nebraska |
| 43 | Joanne Koepnick | 8 | Daughter | — | Ohio |
| 44 | William Koepnick | 6 | Son | — | Ohio |
| 45 | Carl Henry | 36 | Head | Apprentice Tool Maker | Ohio |
| 46 | Leona A Henry | 34 | Wife | — | Ohio |
| 47 | Donald Henry | 2 | Son | — | Ohio |
| 48 | Charles Burnam | 47 | Head | Carpenter | Ohio |
| 49 | Lena A Burnam | 46 | Wife | — | Ohio |
| 50 | Charles Strode | 30 | Son-in-law | Pressman | Ohio |
| 51 | Opal Strode | 23 | Daughter | — | Ohio |
| 52 | Charles Nicholas | 57 | Head | Proprietor | Ohio |
| 53 | Eva R Nicholas | 54 | Wife | — | Ohio |
| 54 | Homer C Lewis | 42 | Head | Foreman | Ohio |
| 55 | Georgia D Lewis | 43 | Wife | — | Indiana |
| 56 | Robert E Lewis THIS PERSON | 21 | Son | Mechanic | Ohio |
| 57 | Virginia A Lewis | 19 | Daughter | Stenographer | Ohio |
| 58 | Howard E Lewis | 17 | Son | — | Ohio |
| 59 | Richard Lewis | 16 | Son | — | Ohio |
| 60 | Paul Lewis | 14 | Son | — | Ohio |
| 61 | Fred Lewis | 34 | Son | Screw Mach. | Indiana |
| 62 | Clifford Haney | 29 | Head | Candy Maker | Ohio |
| 63 | Jane A Haney | 25 | Wife | — | Ohio |
| 64 | Dee Ann Haney | 1 | Daughter | — | Ohio |
| 65 | Walter Dowling | 37 | Head | Clerk | Ohio |
| 66 | Etta Dowling | 70 | Mother | — | Ohio |
| 67 | Raymond Dowling | 31 | Brother | Clerk | Ohio |
| 68 | Richard Glaser | 38 | Head | Truck Driver | Ohio |
| 69 | Evelyn Glaser | 34 | Wife | — | Ohio |
| 70 | Louise Dubois | 44 | Head | — | Ohio |
| 71 | Louise Oakley | 89 | Mother | — | Ohio |
| 72 | Frank Van Nuys | 54 | Head | Laborer | Ind |
| 73 | Mary Van Nuys | 53 | Wife | — | Kansas |
| 74 | Gola Line | 46 | Head | Assembler | Kansas |
| 75 | Helen Line | 41 | Wife | — | Ohio |
| 76 | Dorothy Line | 23 | Daughter | Waitress | Ohio |
| 77 | Russell Line | 20 | Son | — | Ohio |
| 78 | Roscoe Hunt | 57 | Head | Baggage Master | Ohio |
| 79 | Helen Hunt | 44 | Wife | — | Ohio |
| 80 | Wayne Hunt | 17 | Son | — | Ohio |
Related Census Records
Pedigree Summary
Robert + 5 siblings
Gen 1 · 4 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)