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William Sears — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this William Sears across the 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 5-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Sears |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chicopee |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Occupation | Student |
| Industry | City Grammar School |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Student |
| Township / Ward | Chicopee |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| William Sears | Son | — | 13 | ~1927 |
| Mary Sears | Spouse | — | 37 | ~1903 |
| Robert Sears | Head | — | 41 | ~1899 |
| Robert Sears | Son | — | 16 | ~1924 |
| John Sears | Son | — | 14 | ~1926 |
Census Appearances
1930
Hampden, Massachusetts
Son, age 3
Hampden, Massachusetts · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sears |
| 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 |
1940
Hampden-County, Massachusetts
Son, age 13
Hampden-County, Massachusetts · implied b. ~1927 — 5 household members
| Surname | Sears |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chicopee |
| 1935 Residence (County) | Hampden |
| Occupation | Student |
| Industry | City Grammar School |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Sears across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Sears
Son · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
Robert Sears
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sears
Sibling · 1940 · age 14
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 — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01594-00073)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John R. Hopkins | 25 | Son | School Principal | Massachusetts |
| 42 | Stella Howard | 63 | Head | School Teacher | Massachusetts |
| 43 | Helen Larson | 38 | Lodger | Spinner | Massachusetts |
| 44 | Maciej Sopa | 65 | Head | — | Poland |
| 45 | Victoria Sopa | 65 | Wife | — | Poland |
| 46 | John Sopa | 31 | Son | Shipping Clerk | Massachusetts |
| 47 | Sophia Sopa | 26 | Daughter | Packer | Massachusetts |
| 48 | Stella Sopa | 24 | Daughter | Secretary | Massachusetts |
| 49 | Walter Kucharski | 21 | Nephew | — | Massachusetts |
| 50 | Walter Kopec | 33 | Head | Tire Maker | Massachusetts |
| 51 | Caroline Kopec | 33 | Wife | — | Massachusetts |
| 52 | Edward Kopec | 9 | Son | — | Massachusetts |
| 53 | Stanley Soja | 29 | Brother-in-law | Tool Clerk | Massachusetts |
| 54 | Mary Soja | 30 | Sister-in-law | — | Massachusetts |
| 55 | Charles Mcfadden | 41 | Head | Tire Maker | Massachusetts |
| 56 | Genevieve Mcfadden | 34 | Wife | Machine Operator | Massachusetts |
| 57 | Charles Jr. Mcfadden | 5 | Son | — | Massachusetts |
| 58 | Maurice Chagnon | 48 | Lodger | Knitter | Canada French |
| 59 | Eugenia Dube | 53 | Head | Inspector | Canada French |
| 60 | Honore Montgomery | 62 | Head | Carpenter | Canada French |
| 61 | Valida Montgomery | 59 | Wife | — | Canada French |
| 62 | Lawrence Montgomery | 30 | Son | Tire Maker | Massachusetts |
| 63 | Cecile Montgomery | 24 | Daughter | Inspector | Massachusetts |
| 64 | Robert Sears | 41 | Head | Foreman | Massachusetts |
| 65 | Mary R. Sears | 37 | Wife | — | Massachusetts |
| 66 | Robert P. Sears | 16 | Son | Student | Massachusetts |
| 67 | John Sears | 14 | Son | Student | Massachusetts |
| 68 | William Sears THIS PERSON | 13 | Son | Student | Massachusetts |
| 69 | Alphonse H. Provost | 44 | Head | Laborer | Massachusetts |
| 70 | Doris Provost | 29 | Wife | — | Massachusetts |
| 71 | Audrey Provost | 12 | Daughter | Student | Massachusetts |
| 72 | Leo Provost | 0 | Son | — | Massachusetts |
| 73 | Chas H. Thomas | 63 | Father-in-law | Caretaker | Massachusetts |
| 74 | Max Kengier | 26 | Head | Apprentice Forger | Massachusetts |
| 75 | Stephanie Kengier | 22 | Wife | — | Massachusetts |
| 76 | Francis Kengier | 0 | Son | — | Massachusetts |
| 77 | Mary Kapinos | 25 | Sister-in-law | Inspector | Massachusetts |
| 78 | Edgar Fauteux | 32 | Head | Assembler | Massachusetts |
| 79 | Antoinette Fauteux | 30 | Wife | — | Massachusetts |
| 80 | Marilyn Fauteux | 5 | Daughter | — | Massachusetts |
Related Census Records
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)