RL
Ralph Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nassau-County, New York
Our Model Tree links this Ralph Lewis across the 1920, 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed), with identified parents Franky & Harry — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, New York |
| Surname | Lewis |
| Given Name | Ralph S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Oyster Bay |
| 1935 Residence (County) | Nassau |
| Additional Details | |
| Occupation | Head Clerk |
| Industry | Advertising Agency |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1130 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Head Clerk |
| Township / Ward | Oyster Bay |
| Est. Birth Year | ~1917 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Mabel Lewis | Spouse | — | 46 | ~1894 |
| Chester Lewis | Son | — | 26 | ~1914 |
| Harry Lewis | Head | — | 48 | ~1892 |
| Ralph Lewis | Son | — | 23 | ~1917 |
Census Appearances
1920
Nassau, New …
Son, age 3
Nassau, New York · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Nassau, New …
Son, age 13
Nassau, New York · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Nassau-County, New …
Son, age 23
Nassau-County, New York · implied b. ~1917 — 4 household members
| Surname | Lewis |
| Given Name | Ralph S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Oyster Bay |
| 1935 Residence (County) | Nassau |
| Occupation | Head Clerk |
| Industry | Advertising Agency |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1130 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Franky Lewis (~0.92 confidence) and father Harry Lewis (~0.92 confidence) and mother Mabel Lewis (~0.92 confidence) and mother Mabel Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Franky Lewis
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Harry Lewis
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Mabel Lewis
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mabel Lewis
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Lewis
Son · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Chester Lewis
Sibling · 1940 · age 26
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 — Nassau-County, New York
Open full size
1940 US Federal Census — Nassau-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02693-00595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward W. Waters | 11 | Son | — | New York |
| 42 | John R. Waters | 9 | Son | — | New York |
| 43 | William J. Waters | 5 | Son | — | New York |
| 44 | James B. Waters | 1 | Son | — | New York |
| 45 | Margaret E. Burningham | 65 | Mother-in-law | — | Ireland |
| 46 | Daniel A. Burningham | 72 | Brother-in-law | Gardner | New York |
| 47 | Daniel A. Burningham | 36 | Brother-in-law | Tree Trimmer | New York |
| 48 | Francis W. Petrie | 54 | Head | Sexton & Church | Scotland |
| 49 | Lydia D. Petrie | 51 | Wife | — | England |
| 50 | Martin Petrie | 20 | Son | — | New Jersey |
| 51 | Alfred W.A. Petrie | 19 | Son | — | New Jersey |
| 52 | Robert W. Petrie | 17 | Son | — | New Jersey |
| 53 | Agnes Petrie | 11 | Daughter | — | New York |
| 54 | Dade Nikolaus | 36 | Lodger | — | Germany |
| 55 | Martin F. Mcilvaine | 36 | Lodger | Short Order Cook | New York |
| 56 | John Toomey | 58 | Head | Laborer | Eire |
| 57 | Margaret A. Toomey | 56 | Wife | — | Eire |
| 58 | David D. Watson | 50 | Head | — | Scotland |
| 59 | Anna Watson | 49 | Wife | — | Sweden |
| 60 | Anna X. Watson | 25 | Daughter | Stenographer | New York |
| 61 | David S. Watson | 16 | Son | — | New York |
| 62 | Thomas Craig | 12 | Lodger | — | New York |
| 63 | James Ryan | 42 | Head | Engineer | New York |
| 64 | Anne D. Ryan | 42 | Wife | — | New York |
| 65 | James Ryan | 17 | Son | — | New York |
| 66 | Joseph Ryan | 9 | Son | — | New York |
| 67 | Harry S. Lewis | 48 | Head | Butcher | New York |
| 68 | Mabel C. Lewis | 46 | Wife | — | New York |
| 69 | Chester D. Lewis | 26 | Son | Librarian | New York |
| 70 | Ralph S. Lewis THIS PERSON | 23 | Son | Head Clerk | New York |
| 71 | William Newman | 56 | Head | Automobile Mechanic | New York |
| 72 | Anna A. Newman | 52 | Wife | — | New Jersey |
| 73 | William Newman | 18 | Son | — | New York |
| 74 | Anna Newman | 61 | Sister | Seamstress | New York |
| 75 | Jennie M. Maitland | 70 | Head | — | Scotland |
| 76 | Margaret De Vos | 54 | Head | Bookkeeper | New York |
| 77 | Georgiana Hanophy | 52 | Lodger | — | New York |
| 78 | Elizabeth Stanbury | 79 | Lodger | — | New York |
| 79 | Andrew R. James | 61 | Head | Laborer | New York |
| 80 | Annie E. James | 57 | Wife | — | New York |
Pedigree Summary
Ralph + 1 sibling
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)