MG
Margaret Grant — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Margaret Grant across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 16-person household.
Age 0
b. ~1930
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Grant |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada English |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Newton City |
| Est. Birth Year | ~1930 |
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.
16 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Grant 294 | Head | — | 27 | ~1903 |
| Domenica Tosi | Spouse | — | 45 | ~1885 |
| Helen Grant | Spouse | — | 27 | ~1903 |
| Rose Mazzola | Spouse | — | 30 | ~1900 |
| 296 37 | Other | — | — | |
| Margaret Grant | Daughter | — | ~1930 | |
| M Grant | Other | — | 71 | ~1859 |
| Joseph Tosi | Other | — | 46 | ~1884 |
| James Grant | Son | — | 1 | ~1929 |
| Frank Tosi | Son | — | 11 | ~1919 |
| 241 440 | Other | — | — | |
| 14 Street | Other | — | — | |
| 20 25 | Other | — | — | |
| Rose Tosi | Spouse | — | 31 | ~1899 |
| Donato Tosi | Son | — | 6 | ~1924 |
| Edward Tosi | Son | — | 8 | ~1922 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age
Middlesex, Massachusetts · implied b. ~1930 — 16 household members
| Surname | Grant |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada English |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 11
Middlesex-County, Massachusetts · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Marguerite T |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Dover |
| 1935 Residence (County) | Strafford |
| Highest Grade | G 5 |
| 1935 Residence | New Hampshire |
| 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 Margaret Grant across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Grant
Daughter · 1930 · age 0 · b. ~1930 · Massachusetts
★ You are viewing this record
Sibling
Frank Tosi
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Grant
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donato Tosi
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Tosi
Sibling · 1930 · age 8
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel926:0181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Agnes Power | 26 | Daughter | Knitting Mill | Massachusetts |
| 52 | Edward Power | 21 | Son | Helper | Massachusetts |
| 53 | 70 3 | None | — | — | — |
| 54 | — | None | — | — | — |
| 55 | — | None | — | — | — |
| 56 | — | None | — | — | — |
| 57 | 247 4 | None | 291 | Canada English | — |
| 58 | Alice H. Lyman | 45 | Wife | — | Canada English |
| 59 | James Smith | 23 | Boarder | Gas Distributor | Canada English |
| 60 | 248 8 | None | 292 | Canada English | — |
| 61 | Gertrude Tobey | 33 | Wife | — | Canada English |
| 62 | Elizabeth Tobey | 15 | Daughter | — | Massachusetts |
| 63 | Arthur Tobey | 12 | Son | — | Massachusetts |
| 64 | 249 10 | None | 293 | Italy | — |
| 65 | Rose De Marinis | 31 | Wife | Laborer | Massachusetts |
| 66 | Michael De Marinis | 3 | Son | Laborer | Massachusetts |
| 67 | John De Marinis | 2 | Son | — | Massachusetts |
| 68 | Theresa De Marinis | 1 | Daughter | — | Massachusetts |
| 69 | John De Marinis | 25 | Brother | Telegraph Operator | Massachusetts |
| 70 | Louis De Marinis | 22 | Son | Laborer | Massachusetts |
| 71 | Grant 294 | 27 | Head | Salesman | Massachusetts |
| 72 | Helen G. Grant | 27 | Wife | — | Canada English |
| 73 | James H. Grant | 1 | Son | — | Massachusetts |
| 74 | Margaret E. Grant THIS PERSON | 0 | Daughter | — | Massachusetts |
| 75 | M. Elizabeth Grant | 71 | Mother-in-law | — | Canada English |
| 76 | 20 25 | None | 295 | Italy | — |
| 77 | Rose Mazzola | 30 | Wife | — | Massachusetts |
| 78 | 296 37 | None | Tosi | Italian | — |
| 79 | Rose Tosi | 31 | Wife | — | Italy |
| 80 | Frank Tosi | 11 | Son | — | Massachusetts |
| 81 | Edward Tosi | 8 | Son | — | Massachusetts |
| 82 | Donato Tosi | 6 | Son | — | Massachusetts |
| 83 | Joseph Tosi | 46 | Brother | Laborer | Italy |
| 84 | Domenica Tosi | 45 | Wife | — | Italy |
| 85 | 241 440 | None | 297 | New York State | — |
| 86 | 14 Street | None | — | — | — |
| 87 | — | None | — | — | — |
| 88 | Sullivan 442 | 44 | Head | Manager | Rhode Island |
| 89 | Mary A. Sullivan | 31 | Wife | — | Canada English |
| 90 | Audrey Sullivan | 12 | Daughter | — | Massachusetts |
| 91 | Isabelle Sullivan | 10 | Daughter | — | Massachusetts |
| 92 | 248 127 | None | 299 | Italy | — |
| 93 | Mary Tosi | 32 | Wife | — | Italy |
| 94 | Gaetano Tosi | 15 | Son | Machine Operator | Massachusetts |
| 95 | Francis Tosi | 12 | Daughter | — | Massachusetts |
| 96 | Herman Tosi | 10 | Son | — | Massachusetts |
| 97 | Carmella Tosi | 8 | Daughter | — | Massachusetts |
| 98 | Angelo Tosi | 6 | Son | — | Massachusetts |
| 99 | Laura Tosi | 4 | Daughter | — | Massachusetts |
| 100 | Lucy Tosi | 2 | Daughter | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)