MS
Mary Sears — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Sears across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Sears |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Beverly City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Beverly City |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Sears | Daughter | — | 12 | ~1928 |
| Kenneth Sears | Son | — | 17 | ~1923 |
| Horace Sears | Son | — | 20 | ~1920 |
| Robert Sears | Son | — | 19 | ~1921 |
| Louise Brady | Other | — | 37 | ~1903 |
| Bruce Sears | Head | — | 49 | ~1891 |
| Mary Sears | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Essex, Massachusetts
Daughter, age 2
Essex, Massachusetts · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sears |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 12
Essex-County, Massachusetts · implied b. ~1928 — 7 household members
| Surname | Sears |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Beverly City |
| 1935 Residence (County) | Essex |
| Highest Grade | 6 |
| 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 Mary Sears across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sears
Daughter · 1940 · age 12 · b. ~1928 · Massachusetts
★ You are viewing this record
Sibling
Horace Sears
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sears
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Sears
Sibling · 1940 · age 17
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-t0627-01578-00516)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John W. B. Toomey | 42 | Head | Store Owner | Massachusetts |
| 42 | Margaret S. Toomey | 41 | Wife | — | Massachusetts |
| 43 | Joan M. Toomey | 8 | Daughter | — | Massachusetts |
| 44 | Bruce H. Sears | 49 | Head | Lawyer | Massachusetts |
| 45 | Mary E. Sears | 49 | Wife | — | Massachusetts |
| 46 | Horace J. Sears | 20 | Son | New Worker | Massachusetts |
| 47 | Robert C. Sears | 19 | Son | — | Massachusetts |
| 48 | Kenneth W. Sears | 17 | Son | — | Massachusetts |
| 49 | Mary L. Sears THIS PERSON | 12 | Daughter | — | Massachusetts |
| 50 | Louise E. Brady | 37 | Sister-in-law | Instructor | Massachusetts |
| 51 | William A. Ward | 57 | Head | Caretaker | England |
| 52 | Catherine Ward | 54 | Wife | — | England |
| 53 | William Cockfield | 52 | Head | Gardener | England |
| 54 | Florence Cockfield | 47 | Wife | — | Connecticut |
| 55 | Richard J. Cockfield | 23 | Son | Filing Clerk | Massachusetts |
| 56 | William V. Cockfield | 22 | Son | Plumbing Asst. | Massachusetts |
| 57 | Frederick W. Cockfield | 20 | Son | Kennel Mgr. | Massachusetts |
| 58 | Edith Cockfield | 19 | Daughter | Nurse | Massachusetts |
| 59 | Thomas R. Cockfield | 16 | Son | — | Massachusetts |
| 60 | Daniel E. Crowley | 47 | Head | Laborer | Massachusetts |
| 61 | Maude E. Crowley | 49 | Wife | — | New Hampshire |
| 62 | Keith R. Crowley | 17 | Son | New Worker | Massachusetts |
| 63 | Robert B. Brown | 30 | Head | Teacher | Massachusetts |
| 64 | Alice L. Brown | 29 | Wife | — | New Hampshire |
| 65 | Guy H. Copeland | 52 | Head | Gardener | Massachusetts |
| 66 | Helen D. Copeland | 54 | Wife | — | Massachusetts |
| 67 | Albert A. Dodge | 84 | Father-in-law | — | Massachusetts |
| 68 | Annie M. Dodge | 80 | Mother-in-law | — | Massachusetts |
| 69 | Levi B. Southwick | 57 | Head | Truck Driver | Massachusetts |
| 70 | Bertha G. Southwick | 63 | Wife | Stitcher | Canada-English |
| 71 | Thomas X. Morgan | 29 | Head | Farm Hand | Massachusetts |
| 72 | Frances H. Morgan | 29 | Wife | — | Connecticut |
| 73 | Harry E. Pitman | 29 | Lodger | Farm Hand | Maine |
| 74 | Maurice Mary | 41 | Head | Chauffeur | France |
| 75 | Juliette O. Mary | 38 | Wife | — | France |
| 76 | Renee M. Mary | 8 | Daughter | — | Massachusetts |
| 77 | Arthur S. Conway | 37 | Head | Foreman | England |
| 78 | Helene Conway | 33 | Wife | — | Massachusetts |
| 79 | Joan Conway | 6 | Daughter | — | Massachusetts |
| 80 | John J. B. Brady | 47 | Head | Mover | 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)