MG
Mary Gill — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Gill across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 4
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Gill |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Gill | Other | — | 32 | ~1898 |
| Barbara Gill | Daughter | — | 2 | ~1928 |
| James Gill | Son | — | 7 | ~1923 |
| Denis Gill | Head | — | 34 | ~1896 |
| Dorothy Gill | Daughter | — | 9 | ~1921 |
| Mary Gill | Daughter | — | 4 | ~1926 |
| Alfred Gill | Son | — | ~1930 | |
| Eleanor Gill | Daughter | — | 6 | ~1924 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 4
Suffolk, Massachusetts · implied b. ~1926 — 8 household members
| Surname | Gill |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 15
Suffolk-County, Massachusetts · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Giuli |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | Hs 1 |
| 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 Gill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gill
Daughter · 1930 · age 4 · b. ~1926 · Massachusetts
★ You are viewing this record
Sibling
Eleanor Gill
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Gill
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Gill
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Gill
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Gill
Sibling · 1930 · age 2
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel946:0700)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dominick Sylvestro | 37 | Head | Laborer | Italy |
| 2 | Antonia Sylvestro | 32 | Wife-H | — | Italy |
| 3 | Vincent Sylvestro | 9 | Son | — | Massachusetts |
| 4 | Concetta Sylvestro | 7 | Daughter | — | Massachusetts |
| 5 | Joseph Sylvestro | 5 | Son | — | Massachusetts |
| 6 | Mary Sylvestro | 3 | Daughter | — | Massachusetts |
| 7 | Dominick Jr. Sylvestro | 2 | Son | — | Massachusetts |
| 8 | George Sylvestro | 0 | Son | — | Massachusetts |
| 9 | John Koulian | 61 | Head | Grocer | Armenia |
| 10 | Moses Shavrian | 39 | Boarder | Laborer | Armenia |
| 11 | Louise Paskins | 54 | Head-H | — | Lithuania |
| 12 | William Paskins | 33 | Son | Laster | Lithuania |
| 13 | Anna Paskins | 28 | Daughter | Packer | Massachusetts |
| 14 | Mary Paskins | 20 | Daughter | Inspector | Massachusetts |
| 15 | William Jr. Paskins | 9 | Grandson | — | Massachusetts |
| 16 | Dorothy Paskins | 8 | Granddaughter | — | Massachusetts |
| 17 | Joseph Paskins | 5 | Grandson | — | Massachusetts |
| 18 | Manuel C. Mello | 39 | Head | Tailor | Portugal |
| 19 | Mary G. Mello | 35 | Wife-H | — | Massachusetts |
| 20 | Helen B. Mello | 8 | Daughter | — | Massachusetts |
| 21 | Lucille A. Mello | 7 | Daughter | — | Massachusetts |
| 22 | Arthur J. Mello | 5 | Son | — | Massachusetts |
| 23 | Ruth M. Mello | 4 | Daughter | — | Massachusetts |
| 24 | Manuel C. Jr. Mello | 3 | Son | — | Massachusetts |
| 25 | James J. Dunlap | 33 | Head | Freight Clerk | Irish Free State |
| 26 | Barbara M. Dunlap | 32 | Wife-H | Scrubwoman | Irish Free State |
| 27 | James F. Dunlap | 12 | Son | — | Massachusetts |
| 28 | Joseph P. Dunlap | 11 | Son | — | Massachusetts |
| 29 | John M. Dunlap | 7 | Son | — | Massachusetts |
| 30 | Lawrence A. Dunlap | 4 | Son | — | Massachusetts |
| 31 | Thomas E. Dunlap | 2 | Son | — | Massachusetts |
| 32 | Mary Mcmary | 68 | Head | — | Irish Free State |
| 33 | Mary A. Mcmary | 36 | Daughter | Book Keeper | Irish Free State |
| 34 | Denis A. Gill | 34 | Head | Machinist | Massachusetts |
| 35 | Mary E. Gill | 32 | Wife-H | — | Massachusetts |
| 36 | Dorothy Gill | 9 | Daughter | — | Massachusetts |
| 37 | James Gill | 7 | Son | — | Massachusetts |
| 38 | Eleanor Gill | 6 | Daughter | — | Massachusetts |
| 39 | Mary Gill THIS PERSON | 4 | Daughter | — | Massachusetts |
| 40 | Barbara Gill | 2 | Daughter | — | Massachusetts |
| 41 | Alfred Gill | 0 | Son | — | Massachusetts |
| 42 | John J. Mcnamara | 54 | Head | Laborer | Irish Free State |
| 43 | Patience Mcnamara | 61 | Wife-H | — | Irish Free State |
| 44 | Stephen Cogan | 6 | Nephew | — | Irish Free State |
| 45 | Adolphus J. Roy | 59 | Head | Night Watchman | South Carolina |
| 46 | Mary G. Roy | 66 | Wife-H | — | Massachusetts |
| 47 | Oscar J. Gurner | 36 | Son-in-law | Salesman | Massachusetts |
| 48 | Mary G. Gurner | 33 | Daughter | — | Massachusetts |
| 49 | Robert Gurner | 12 | Grandson | — | Massachusetts |
| 50 | Richard Gurner | 5 | Grandson | — | 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)