DL
Donald Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Donald Lewis across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed), with identified parents Richard & Margaret — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Lewis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | Salesman |
| Industry | Book Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Salesman |
| Township / Ward | Buffalo City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald Lewis | Son | — | 24 | ~1916 |
| Frances Lewis | Daughter | — | 32 | ~1908 |
| James Lewis | Son | — | 28 | ~1912 |
| Margaret Lewis | Head | — | 62 | ~1878 |
| Richard Lewis | Son | — | 26 | ~1914 |
Census Appearances
1920
Erie, New …
Son, age 4
Erie, New York · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Ireland |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Erie, New …
Son, age 15
Erie, New York · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | LEWIS |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Son, age 24
Erie-County, New York · implied b. ~1916 — 5 household members
| Surname | Lewis |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Occupation | Salesman |
| Industry | Book Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| 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 Donald Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Lewis (~0.92 confidence) and mother Margaret Lewis (~0.92 confidence) and mother Margaret Lewis (~0.92 confidence) and mother Margaret Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Lewis
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Margaret Lewis
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Margaret Lewis
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Margaret Lewis
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Lewis
Son · 1940 · age 24 · b. ~1916 · New York
★ You are viewing this record
Sibling
Frances Lewis
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Lewis
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lewis
Sibling · 1940 · age 28
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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02827-00226)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth M. Stetter | 13 | Daughter | — | New York |
| 42 | Shirley F. Stetter | 11 | Daughter | — | New York |
| 43 | Margaret Lewis | 62 | Head | — | New York |
| 44 | Frances Lewis | 32 | Daughter | Secretary | New York |
| 45 | James J. Lewis | 28 | Son | Patrolman | New York |
| 46 | Richard Lewis | 26 | Son | Office Clerk | New York |
| 47 | Donald Lewis THIS PERSON | 24 | Son | Salesman | New York |
| 48 | Allen E. Billy | 54 | Head | Switchman | New York |
| 49 | Mary G. Billy | 50 | Wife | — | New York |
| 50 | Grace C. Billy | 18 | Daughter | Credit-Clerk | New York |
| 51 | Betty G. Billy | 15 | Daughter | — | New York |
| 52 | Edward J. Billy | 12 | Son | — | New York |
| 53 | John J. Billy | 12 | Son | — | New York |
| 54 | Ludwig F. Ebling | 47 | Head | Machinist Helper | New York |
| 55 | Ella M. Ebling | 44 | Wife | — | New York |
| 56 | Charles J. Ebling | 19 | Son | Cook | New York |
| 57 | Betty R. Ebling | 15 | Daughter | — | New York |
| 58 | Dorothy J. Ebling | 13 | Daughter | — | New York |
| 59 | Ludwig F. Jr. Ebling | 10 | Son | — | New York |
| 60 | Carol G. Ebling | 8 | Daughter | — | New York |
| 61 | David J. Ebling | 5 | Son | — | New York |
| 62 | August Schwarzenholzer | 56 | Head | Stock-Clerk | New York |
| 63 | Flora Schwarzenholzer | 45 | Wife | — | New York |
| 64 | Earl M. Schwarzenholzer | 21 | Son | Attendant | New York |
| 65 | Ethel J. Schwarzenholzer | 19 | Daughter | New Worker | New York |
| 66 | Norman Schwarzenholzer | 16 | Son | — | New York |
| 67 | Jane Schwarzenholzer | 14 | Daughter | — | New York |
| 68 | Donald Schwarzenholzer | 3 | Son | — | New York |
| 69 | Anna Leetz | 60 | Head | — | England |
| 70 | Ross W. Gibson | 49 | Lodger | Locomotive Engineer | New York |
| 71 | Irvin Giese | 30 | Lodger | Fruit Inspector | Pennsylvania |
| 72 | Milo Smith | 25 | Lodger | Watch Repairer | Illinois |
| 73 | Joseph Sanfilippo | 50 | Head | Proprietor | Italy |
| 74 | Mamie J. Sanfilippo | 36 | Wife | Clerk | New York |
| 75 | Josephine M. Sanfilippo | 10 | Daughter | — | New York |
| 76 | Nellie Brown | 65 | Head | — | New York |
| 77 | Joseph Brown | 42 | Son | Switchman | New York |
| 78 | Louis Stefaniak | 41 | Lodger | — | New York |
| 79 | Francis Palmer | 27 | Lodger | Assembler | New York |
| 80 | Valentine Cease | 66 | Head | Maintainer | New York |
Pedigree Summary
Donald + 3 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)