WL
William Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Lewis across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1915), then head of a 2-person household.
Age 25
b. ~1915
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Lewis |
| Given Name | William C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Salesman |
| Industry | Automobile |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1092 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1915 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Lewis | Head | — | 60 | ~1880 |
| William Lewis | Son | — | 25 | ~1915 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 13
Suffolk, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 25
Suffolk-County, Massachusetts · implied b. ~1915 — 2 household members
| Surname | Lewis |
| Given Name | William C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Salesman |
| Industry | Automobile |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1092 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 William Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lewis (~0.92 confidence) and father William Lewis (~0.92 confidence) and mother Bridget Lewis (~0.92 confidence) and mother Bridget Lewis (~0.92 confidence) and mother Beatrice Lewis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lewis
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William Lewis
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Bridget Lewis
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Bridget Lewis
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Beatrice Lewis
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Lewis
Son · 1940 · age 25 · b. ~1915 · Massachusetts
★ 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01662-00455)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eunice Lynch | 43 | Head | Secretary | Massachusetts |
| 2 | Minna Geary | 36 | Head | Clerk | Massachusetts |
| 3 | Edith Brindham | 46 | Head | Photo Stat | Massachusetts |
| 4 | Harry Crossman | 30 | Head | Assistant | Virginia |
| 5 | Dorothy Crossman | 22 | Wife | — | New York |
| 6 | Emma Cunningham | 45 | Mother-in-law | — | New York |
| 7 | Hubert Eber | 35 | Head | Painter | Massachusetts |
| 8 | Mary Doran | 35 | Head | — | Massachusetts |
| 9 | Alice Oliver | 56 | Lodger | Secretary | Ohio |
| 10 | Lola C. Chaluton | 48 | Head | Demonstrator | Russia |
| 11 | Harry K. Messenger | 49 | Head | Physician | Massachusetts |
| 12 | Agnes Messenger | 50 | Wife | Librarian | Rhode Island |
| 13 | Sarah B. Hammond | 50 | Head | Proprietor | Indiana |
| 14 | Walter King | 74 | Head | Cashier | Maine |
| 15 | Ethel D. Dormon | 56 | Head | Stenographer | Massachusetts |
| 16 | Mary H. Doran | 61 | Head | — | Vermont |
| 17 | Mabel T. Holden | 48 | Head | Nurse | New York |
| 18 | Dorothy Shurtleff | 44 | Head | Teacher | Massachusetts |
| 19 | Elizabeth Kirkland | 44 | Head | Clerk | Massachusetts |
| 20 | Maybelle Oger | 48 | Head | Secretary | Massachusetts |
| 21 | Jennie Armstrong | 31 | Head | Salesman | Mississippi |
| 22 | Lillian Helleher | 52 | Head | — | Massachusetts |
| 23 | Mona C. Ayres | 63 | Head | — | Kansas |
| 24 | Mary Ayres | 28 | Daughter | Dentist | Kansas |
| 25 | Rachael Emil | 42 | Head | Manager | Massachusetts |
| 26 | Isabelle M. Emil | 37 | Wife | — | Massachusetts |
| 27 | Mary M. Holden | 63 | Head | — | Massachusetts |
| 28 | Santo Corso | 49 | Head | Buyer | Italy |
| 29 | Marie Thayer | 67 | Head | Teacher | Illinois |
| 30 | George Taylor | 55 | Head | — | Massachusetts |
| 31 | Leslie Taylor | 29 | Daughter | Librarian | Massachusetts |
| 32 | Louise Harrington | 40 | Head | Bookkeeper | Massachusetts |
| 33 | Lydia Kallio | 29 | Head | Cutter | Lithuania |
| 34 | Lillian Campbell | 53 | Head | Bookkeeper | Maine |
| 35 | Charles Kirkland | 33 | Head | Clerk | Massachusetts |
| 36 | Gladys L. Fox | 36 | Head | Hairdresser | Iowa |
| 37 | Marie Sirois | 30 | Head | Director | Canada |
| 38 | Charlotte Goodale | 27 | Lodger | Sales Lady | Massachusetts |
| 39 | Beatrice Lewis | 60 | Head | Superviser | Massachusetts |
| 40 | William C. Lewis THIS PERSON | 25 | Son | Salesman | Massachusetts |
Related Census Records
Pedigree Summary
William
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)