MG
Mary Grant — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Grant across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 5-person household.
Age 75
b. ~1865
Female
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Hamilton |
| Est. Birth Year | ~1865 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mabel Grant | Daughter | — | 39 | ~1901 |
| Mildred Dagliney | Daughter | — | 32 | ~1908 |
| Mary Grant | Head | — | 75 | ~1865 |
| Elmer Ames | Other | — | 26 | ~1914 |
| Thomas Grant | Son | — | 54 | ~1886 |
Census Appearances
1920
Essex, Massachusetts
Head, age 54
Essex, Massachusetts · implied b. ~1866 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | England |
| Year of Immigration | 1884 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | F |
| Birth Country | England |
| Year of Naturalization | O |
| Birthplace (normalized) | england |
1930
Essex, Massachusetts
Other, age 64
Essex, Massachusetts · implied b. ~1866 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary A. |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | England |
| Naturalization Status | Alien |
| Year of Immigration | 1883 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3,000 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Essex-County, Massachusetts
Head, age 75
Essex-County, Massachusetts · implied b. ~1865 — 5 household members
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
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
Head · 1940 · age 75 · b. ~1865 · 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 — 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-t0627-01579-01078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Grant THIS PERSON | 75 | Head | — | England |
| 42 | Thomas W Grant | 54 | Son | Laborer | Mass |
| 43 | Mabel L Grant | 39 | Daughter | Typist | Mass |
| 44 | Mildred Dagliney | 32 | Daughter | Typist | Mass |
| 45 | Elmer Ames | 26 | Son in law | Own | Mass |
| 46 | William Muir | 62 | Head | Clerk | England |
| 47 | Edmund Luceat | 28 | Head | — | Mass |
| 48 | Eva Luceat | 32 | Wife | — | Mass |
| 49 | Edmund Jr Luceat | 5 | Son | — | Mass |
| 50 | Barbara Luceat | 4 | Daughter | — | Mass |
| 51 | Stanley E Allen | 36 | Head | Gardener | Mass |
| 52 | Gertrude Allen | 34 | Wife | — | Mass |
| 53 | Stanley Allen | 14 | Son | — | Mass |
| 54 | Barbara Allen | 13 | Daughter | — | Mass |
| 55 | Gilman Allen | 11 | Son | — | Mass |
| 56 | Donald Allen | 7 | Son | — | Mass |
| 57 | Phyllis Allen | 4 | Daughter | — | Mass |
| 58 | Robert Allen | 2 | Son | — | Mass |
| 59 | Arthur E Honyatt | 58 | Head | Laborer | England |
| 60 | Alice H Honyatt | 57 | Wife | — | England |
| 61 | Edward A Honyatt | 32 | Son | — | England |
| 62 | Edward Frederick | 36 | Head | Watchman | Mass |
| 63 | Myrtle Frederick | 38 | Wife | — | Mass |
| 64 | Adelia Frederick | 15 | Daughter | — | Mass |
| 65 | Edward Frederick | 13 | Son | — | Mass |
| 66 | Austin G Cresy | 45 | Head | Stock Clerk | Mass |
| 67 | Anna F Cresy | 47 | Wife | — | Mass |
| 68 | George Bunce | 62 | Head | — | England |
| 69 | Eunice Bunce | 36 | Wife | — | Beverly |
| 70 | Edmundson Albert | 38 | Head | Groom | England |
| 71 | Margaret Albert | 37 | Wife | — | Mass |
| 72 | Albert Albert | 4 | Son | — | Mass |
| 73 | Donald Albert | 3 | Son | — | Mass |
| 74 | Vinnie Albert | 58 | Mother | — | Mass |
| 75 | Edward Carter | 24 | Head | Gardener | Virginia |
| 76 | Frankie Carter | 23 | Wife | — | Florida |
| 77 | Stanley Foster | 46 | Head | Chauffeur | Mass |
| 78 | Hazel Foster | 35 | Wife | — | Mass |
| 79 | Charlotte A Foster | 16 | Daughter | — | Mass |
| 80 | Malcolm P Brown | 39 | Head | Superintendent | Mass |
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)