WS
William Sears — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this William Sears across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 4-person household.
Age 18
b. ~1922
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Sears |
| Given Name | William J Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Kitchen Patrol |
| Industry | C.C.C. |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 300 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Kitchen Patrol |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1922 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Donald Sears | Son | — | 6 | ~1934 |
| William Sears | Son | — | 18 | ~1922 |
| William Sears | Head | — | 46 | ~1894 |
| Marion Sears | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Essex, Massachusetts
Son, age 8
Essex, Massachusetts · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sears |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 18
Essex-County, Massachusetts · implied b. ~1922 — 4 household members
| Surname | Sears |
| Given Name | William J Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Occupation | Kitchen Patrol |
| Industry | C.C.C. |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 300 |
| Highest Grade | Hs 3 |
| 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 18 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
Donald Sears
Sibling · 1940 · age 6
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01695-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida Shapnian|Shaprian | 80 | Head | — | New Hampshire |
| 2 | Lucius Urquhart | 59 | Head | Making Boxes | Canada |
| 3 | Eva H Urquhart | 59 | Wife | — | Massachusetts |
| 4 | Helen Leach | 36 | Daughter | — | Massachusetts |
| 5 | Herbert J Leach | 18 | Grandson | — | Massachusetts |
| 6 | Beatrice Leach | 5 | Granddaughter | — | Massachusetts |
| 7 | Joseph M Mcsardy|Mcgrady | 52 | Head | Mechanic | Massachusetts |
| 8 | Anna M Mcsardy|Mcgrady | 43 | Wife | — | Massachusetts |
| 9 | James E Mcaloon | 45 | Brother-in-law | — | Ireland |
| 10 | Lucy A Chamberlain | 66 | Head | School Teacher | Maine |
| 11 | Edna M Hoyt | 64 | Sister | — | Maine |
| 12 | Francis Rogers | 61 | Head | Sewers Dept. | Canada |
| 13 | Mary A Rogers | 59 | Wife | — | Canada |
| 14 | Millicent Rogers | 18 | Daughter | New Worker | Massachusetts |
| 15 | Robert L Rogers | 20 | Son | Operator | Massachusetts |
| 16 | Alpheus A Mason | 73 | Head | — | Massachusetts |
| 17 | Ida J Mason | 69 | Wife | — | Massachusetts |
| 18 | Frederick J Williams | 65 | Head | Chauffeur | New York |
| 19 | Donald Howard | 43 | Head | Fireman | Massachusetts |
| 20 | Agnes R Howard | 38 | Wife | — | Massachusetts |
| 21 | Doris Howard | 17 | Daughter | — | Massachusetts |
| 22 | William J Sears | 46 | Head | Last Maker | Massachusetts |
| 23 | Marion L Sears | 45 | Wife | — | Maine |
| 24 | William J Jr Sears THIS PERSON | 18 | Son | Kitchen Patrol | Massachusetts |
| 25 | Donald B Sears | 6 | Son | — | Massachusetts |
| 26 | Henry W Bacon | 67 | Head | Last Maker | Massachusetts |
| 27 | Hattie Bacon | 56 | Wife | — | Massachusetts |
| 28 | Howard Bacon | 33 | Son | Florist | Massachusetts |
| 29 | Joseph E Monbleau | 43 | Head | Electrician | New Hampshire |
| 30 | Zena Monbleau | 39 | Wife | — | Massachusetts |
| 31 | Lucille Monbleau | 19 | Daughter | Assistant | Massachusetts |
| 32 | Lois Monbleau | 18 | Daughter | Clerk | Massachusetts |
| 33 | Ethelyn Monbleau | 17 | Daughter | — | Massachusetts |
| 34 | Robert Monbleau | 16 | Son | — | Massachusetts |
| 35 | Gladys Monbleau | 14 | Daughter | — | Massachusetts |
| 36 | Edwin Monbleau | 11 | Son | — | Massachusetts |
| 37 | Mildred Monbleau | 9 | Daughter | — | Massachusetts |
| 38 | Mary J Monbleau | 6 | Daughter | — | Massachusetts |
| 39 | Gertrude Monbleau | 4 | Daughter | — | Massachusetts |
| 40 | Joyce Monbleau | 2 | Daughter | — | Massachusetts |
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)