MG
Mary Grant — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Mary Grant across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Grant |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Paxton |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1885 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Grant | Head | — | 54 | ~1886 |
| Robert Grant | Son | — | 26 | ~1914 |
| Mary Grant | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Worcester, Massachusetts
Spouse, age 35
Worcester, Massachusetts · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Spouse, age 45
Worcester, Massachusetts · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Spouse, age 55
Worcester-County, Massachusetts · implied b. ~1885 — 3 household members
| Surname | Grant |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Paxton |
| 1935 Residence (County) | Worcester |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| 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 Grant across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Grant
Spouse · 1940 · age 55 · b. ~1885 · Massachusetts
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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
38 people indexed on this census page (nara:1940:m-t0627-01719-00523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hervey F. Hampton | 48 | Head | Teacher | New Hampshire |
| 42 | Laura S. Hampton | 51 | Wife | — | Connecticut |
| 43 | Robert F. Hampton | 25 | Son | — | Massachusetts |
| 44 | Roberta Hampton | 21 | Daughter | — | Massachusetts |
| 45 | Irving A. Green | 59 | Head | Sanitary Engineer | Massachusetts |
| 46 | Mary R. Green | 59 | Wife | Asst. Treasurer | Massachusetts |
| 47 | Nancy Belle | 54 | Sister | — | Massachusetts |
| 48 | Rachel Belle | 26 | Niece | Clerk | Massachusetts |
| 49 | John H. Grant | 54 | Head | Owner | Canada |
| 50 | Mary E. Grant THIS PERSON | 55 | Wife | — | Massachusetts |
| 51 | Robert H. Grant | 26 | Son | Salesman | Massachusetts |
| 52 | Edgar F. Burbank | 31 | Head | Clerk | Massachusetts |
| 53 | Patricia Burbank | 27 | Wife | — | Massachusetts |
| 54 | Edgar F. Jr. Burbank | 6 | Son | — | Massachusetts |
| 55 | Ida Harris | 70 | Head | — | Maine |
| 56 | Ernest M. Hicks | 30 | Head | Chief Gas Attendant | Massachusetts |
| 57 | Eleanor B. Hicks | 30 | Wife | — | Massachusetts |
| 58 | James Hicks | 6 | Son | — | Massachusetts |
| 59 | David Hicks | 4 | Son | — | Massachusetts |
| 60 | Russell Hicks | 2 | Son | — | New Hampshire |
| 61 | Robert Hicks | 1 | Son | — | Massachusetts |
| 62 | John J. Powers | 57 | Head | Superintendent | Massachusetts |
| 63 | Anella N. Powers | 54 | Wife | — | Rhode Island |
| 64 | Harry Freeman | 67 | Head | Salesman | Poland |
| 65 | Anna Freeman | 62 | Wife | — | Russia |
| 66 | Leila Freeman | 25 | Daughter | Supervisor | Massachusetts |
| 67 | Lawrence S. Freeman | 22 | Son | Salesman | Massachusetts |
| 68 | Grace M. Bannister | 61 | Head | — | Massachusetts |
| 69 | Katharine Bannister | 31 | Daughter | Stenographer | Massachusetts |
| 70 | Martin M. Post | 62 | Head | Teacher | Ohio |
| 71 | Charlotte W. Post | 63 | Wife | — | Massachusetts |
| 72 | Winifred L. Post | 24 | Daughter | Teacher | Massachusetts |
| 73 | Philip M. Post | 23 | Son | Partnership | Massachusetts |
| 74 | Catherine Leary | 53 | Head | — | Massachusetts |
| 75 | Mary E. Leary | 25 | Daughter | Clerk | Massachusetts |
| 76 | Ellen Lucy Leary | 22 | Daughter | — | Massachusetts |
| 77 | Henry H. Cook | 52 | Head | — | Massachusetts |
| 78 | Nellie W. Cook | 55 | Wife | — | 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)