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William Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this William Hamilton across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Helen & Ellen — first a son (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Hamilton |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Beer Tender |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 160 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Beer Tender |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1902 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Frances Hamilton | Daughter | — | 24 | ~1916 |
| Ellen Hamilton | Head | — | 58 | ~1882 |
| James Hamilton | Son | — | 29 | ~1911 |
| William Hamilton | Son | — | 38 | ~1902 |
| Timothy Hamilton | Son | — | 35 | ~1905 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 16
Worcester, Massachusetts · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Son, age 26
Worcester, Massachusetts · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Chauffeur |
| Industry | Taxi Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Son, age 38
Worcester-County, Massachusetts · implied b. ~1902 — 5 household members
| Surname | Hamilton |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Occupation | Beer Tender |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 160 |
| Highest Grade | No 8 |
| 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 Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Helen Hamilton (~0.92 confidence) and mother Ellen Hamilton (~0.92 confidence) and father William Hamilton (~0.92 confidence) and mother Ellen Hamilton (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Helen Hamilton
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Ellen Hamilton
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
William Hamilton
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ellen Hamilton
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hamilton
Son · 1940 · age 38 · b. ~1902 · Massachusetts
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Sibling
Timothy Hamilton
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Hamilton
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hamilton
Sibling · 1940 · age 29
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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-01715-00727)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shaker Tharalai | 58 | Head | Cutter | Syria |
| 2 | Malaki Tharalai | 54 | Wife | — | Syria |
| 3 | Joseph Fratelli | 52 | Head | Truck Driver | Italy |
| 4 | Arthur Fratelli | 23 | Son | Truck Driver | Massachusetts |
| 5 | Adeline Fratelli | 14 | Daughter | — | Massachusetts |
| 6 | Louis Corgali | 31 | Head | Leather Worker | Massachusetts |
| 7 | Anne Corgali | 28 | Wife | — | Massachusetts |
| 8 | Jean Corgali | 7 | Daughter | — | Massachusetts |
| 9 | Hyman Rutman | 61 | Head | Junk Dealer | Russia |
| 10 | Helen Rutman | 56 | Wife | — | Russia |
| 11 | Bessie Rutman | 33 | Daughter | Clerk | Massachusetts |
| 12 | Annie Rutman | 30 | Daughter | Floorwalker | Massachusetts |
| 13 | Joseph Rutman | 25 | Son | Clerk | Massachusetts |
| 14 | Abraham Rutman | 18 | Son | — | Massachusetts |
| 15 | Ellen Hamilton | 58 | Head | Houseworker | Ireland-Free State |
| 16 | William Hamilton THIS PERSON | 38 | Son | Beer Tender | Massachusetts |
| 17 | Timothy Hamilton | 35 | Son | Auto Mechanic | Massachusetts |
| 18 | James Hamilton | 29 | Son | Gas Attendant | Massachusetts |
| 19 | Frances Hamilton | 24 | Daughter | — | Massachusetts |
| 20 | Edward Sherbeka | 27 | Head | Store Clerk | Massachusetts |
| 21 | Justina Sherbeka | 42 | Mother | — | Poland |
| 22 | Marie Sherbeka | 28 | Sister | — | Massachusetts |
| 23 | Thomas Sherbeka | 30 | Brother-in-law | Cook | Massachusetts |
| 24 | Marie Ann Sherbeka | 4 | Niece | — | Massachusetts |
| 25 | Joseph Norton | 55 | Head | Operator | Lithuania |
| 26 | Lucy Norton | 58 | Wife | — | Lithuania |
| 27 | Josephine Norton | 34 | Daughter | — | Massachusetts |
| 28 | Rose Saloulai | 52 | Head | — | Lithuania |
| 29 | Alphonse Saloulai | 19 | Son | Laborer | Massachusetts |
| 30 | Anthony Saloulai | 17 | Son | — | Massachusetts |
| 31 | Albert Monaco | 38 | Head | Accountant | Massachusetts |
| 32 | Vita Monaco | 26 | Wife | — | Massachusetts |
| 33 | Gerald Monaco | 3 | Son | — | Massachusetts |
| 34 | Ona Florence Kugeler | 5 | Lodger | Typist-Telephone | Massachusetts |
Related Census Records
Pedigree Summary
William + 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)