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Ralph Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Ralph Lewis across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Ralph & Ralph — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Lewis |
| Given Name | Ralph Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Office Clerk |
| Industry | Jewelers |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 720 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Office Clerk |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Ralph Lewis | Son | — | 22 | ~1918 |
| Ralph Lewis | Head | — | 50 | ~1890 |
| Marjorie Lewis | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Hamilton, Ohio
Son, age 2
Hamilton, Ohio · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 12
Hamilton, Ohio · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 22
Hamilton-County, Ohio · implied b. ~1918 — 3 household members
| Surname | Lewis |
| Given Name | Ralph Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Office Clerk |
| Industry | Jewelers |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 720 |
| Highest Grade | C 2 |
| 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 Ralph Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Lewis (~0.92 confidence) and father Ralph Lewis (~0.92 confidence) and mother Maliana Lewis (~0.92 confidence) and mother Marjorie Lewis (~0.92 confidence) and mother Marjorie Lewis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Lewis
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Ralph Lewis
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Maliana Lewis
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Marjorie Lewis
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Marjorie Lewis
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Lewis
Son · 1940 · age 22 · b. ~1918 · 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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03195-00326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phyllis R. Green | 15 | Daughter | — | Ohio |
| 2 | Ralph Sr. Lewis | 50 | Head | Purchaser | Ohio |
| 3 | Marjorie Lewis | 46 | Wife | — | Ohio |
| 4 | Ralph Jr. Lewis THIS PERSON | 22 | Son | Office Clerk | Ohio |
| 5 | Joseph Harris | 52 | Head | Auctioneer | Ohio |
| 6 | Betty Harris | 47 | Wife | — | Kentucky |
| 7 | Jerome Eckhoff | 37 | Head | Manager | Ohio |
| 8 | Mary Eckhoff | 34 | Wife | Stenographer | Ohio |
| 9 | John Hoferkamp | 34 | Head | Salesman | Ohio |
| 10 | Viola Hoferkamp | 32 | Wife | — | Ohio |
| 11 | Theresa Altomare | 51 | Mother-in-law | — | Ohio |
| 12 | William Altomare | 62 | Father-in-law | Designer | Italy |
| 13 | Harry Grabenstetter | 41 | Head | Store Mgr. | Ohio |
| 14 | Lucile Grabenstetter | 30 | Wife | — | Ohio |
| 15 | John A. Phillips | 38 | Head | Salesman | Michigan |
| 16 | Grace Phillips | 28 | Wife | Salesman | Michigan |
| 17 | (Left Blank By Mistake) | None | — | — | — |
| 18 | (Left Blank By Mistake) | None | — | — | — |
| 19 | James Mogan | 43 | Head | Manager | Mass. |
| 20 | Mary Mogan | 31 | Wife | — | Massachusetts |
| 21 | Mary Ann Mogan | 6 | Daughter | — | Ohio |
| 22 | Jean P. Mogan | 4 | Daughter | — | Mass. |
| 23 | Sidney Hillman | 24 | Head | Phonograph Operator | Ohio |
| 24 | Rose Hillman | 22 | Wife | — | Ohio |
| 25 | Arlene Hillman | 0 | Daughter | — | Ohio |
| 26 | Ward A. Folsom | 34 | Head | Comptroller | Michigan |
| 27 | Evelyn Folsom | 26 | Wife | — | Michigan |
| 28 | Here Ends Block 13 And Begins Block 14 | None | — | — | — |
| 29 | Edward Nightingale | 31 | Head | Designer | Ohio |
| 30 | Ruth Nightingale | 28 | Wife | — | Ohio |
| 31 | Ronald Nightingale | 6 | Son | — | Ohio |
| 32 | David Kettler | 37 | Head | Stereotyper | Ohio |
| 33 | Mattie Kettler | 50 | Wife | — | Ohio |
| 34 | George D. Gillespie | 47 | Head | Inspector | Missouri |
| 35 | Agnes M. Gillespie | 43 | Wife | — | Missouri |
| 36 | Shirley A. Gillespie | 12 | Daughter | — | Missouri |
| 37 | Alfred O. Schneed | 76 | Father-in-law | — | Missouri |
| 38 | Catherine Schneed | 70 | Mother-in-law | — | Missouri |
| 39 | J. G. Wischmeyer | 52 | Head | Proprietor | Ohio |
| 40 | Theodosia Wischmeyer | 50 | Wife | — | Ohio |
Pedigree Summary
Ralph
Gen 1 · 5 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)