MG
Mary Gill — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cumberland, Maine
Our Model Tree links this Mary Gill across the 1920 and 1930 US Censuses in Cumberland, Maine (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 8-person household.
Age 11
b. ~1919
Female
Daughter
Born: Maine
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cumberland, Maine |
| Surname | Gill |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Portland City |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Richard Gill | Son | — | 11 | ~1919 |
| Mary Gill | Daughter | — | 11 | ~1919 |
| Priscilla Gill | Daughter | — | 3 | ~1927 |
| Catherine Mcgillicuddy | Other | — | 74 | ~1856 |
| Mary Gill | Spouse | — | 39 | ~1891 |
| William Gill | Son | — | 8 | ~1922 |
| William Gill | Head | — | 41 | ~1889 |
| Paul Gill | Son | — | 2 | ~1928 |
Census Appearances
1920
Cumberland, Maine
Daughter, age 1
Cumberland, Maine · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gill |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Daughter, age 11
Cumberland, Maine · implied b. ~1919 — 8 household members
| Surname | Gill |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 (1920 and 1930) in Cumberland, Maine, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gill
Daughter · 1930 · age 11 · b. ~1919 · Maine
★ You are viewing this record
Sibling
Priscilla Gill
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Gill
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gill
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul 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 — Cumberland, Maine
Open full size
1930 US Federal Census — Cumberland, Maine
Page Contents
50 people indexed on this census page (ia:1930:15thcensus831unit:0518)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Walter Lee | 37 | Head | Plasterer | Maine |
| 52 | Catherine Lee | 36 | Wife | — | Maine |
| 53 | Walter Lee | 9 | Son | — | Maine |
| 54 | Mary Lee | 8 | Daughter | — | Maine |
| 55 | Morgan Lee | 6 | Son | — | Maine |
| 56 | Catherine Lee | 5 | Daughter | — | Maine |
| 57 | Rita Lee | 3 | Daughter | — | Maine |
| 58 | Robert Lee | 1 | Son | — | Maine |
| 59 | William H. Gill | 41 | Head | Accountant | Maine |
| 60 | Mary B. Gill | 39 | Wife | — | Maine |
| 61 | Mary F. Gill THIS PERSON | 11 | Daughter | — | Maine |
| 62 | William J. Gill | 8 | Son | — | Maine |
| 63 | Richard Gill | 11 | Son | — | Maine |
| 64 | Priscilla Gill | 3 | Daughter | — | Maine |
| 65 | Paul Gill | 2 | Son | — | Maine |
| 66 | Catherine Mcgillicuddy | 74 | Mother-in-law | — | Canada English |
| 67 | Albert A. Berry | 58 | Head | Carpenter | Maine |
| 68 | Delphina Berry | 54 | Wife | — | Maine |
| 69 | Ralph W. Berry | 33 | Son | Wood Heeler | Maine |
| 70 | Everett W. Berry | 24 | Son | Ship Clerk | Maine |
| 71 | Anna Burnham | 49 | Head | Nurse | Canada English |
| 72 | James B. O'Neil | 70 | Head | — | Vermont |
| 73 | Bessie O'Neil | 68 | Wife | — | Maine |
| 74 | Gilbert P. Harmon | 71 | Head | Cabinet Maker | Maine |
| 75 | Annie B. Harmon | 71 | Wife | — | Canada English |
| 76 | Frederick P. Brooking | 51 | Head | Car Repairer | Maine |
| 77 | Annie G. Brooking | 45 | Wife | — | Canada English |
| 78 | Eloise M. Brooking | 12 | Daughter | — | Maine |
| 79 | Norman F. Brooking | 9 | Son | — | Maine |
| 80 | Charles Van Hoosen | 45 | Head | Salesman | Massachusetts |
| 81 | Frances Van Hoosen | 35 | Wife | — | Massachusetts |
| 82 | Ernest W. Cale | 54 | Head | Manager | Maine |
| 83 | Alice M. Cale | 54 | Wife | — | Maine |
| 84 | Nathan A. Goochy | 46 | Lodger | Salesman | Missouri |
| 85 | Elizabeth M. Goochy | 81 | Mother-in-law | — | Maine |
| 86 | Herbert L. Potter | 67 | Head | Car Repairer | Maine |
| 87 | Mary L. Potter | 63 | Wife | — | New Hampshire |
| 88 | William F. Lombard | 54 | Head | Painter | Maine |
| 89 | Mary R. Lombard | 49 | Wife | — | Maine |
| 90 | John M. Griffin | 64 | Head | Car Cleaner | Irish Free State |
| 91 | Philip G. Brown | 30 | Son-in-law | Iron Worker | Maine |
| 92 | Hannah G. Brown | 30 | Daughter | — | Maine |
| 93 | Hannah R. Brown | 3 | Granddaughter | — | Maine |
| 94 | Percy H. Bickford | 26 | Head | Salesman | New Hampshire |
| 95 | Bernice Bickford | 22 | Wife | — | Maine |
| 96 | L. Richard Bickford | 2 | Son | — | Maine |
| 97 | Annie Whitehouse | 70 | H | — | Maine |
| 98 | Ethel L. Mitchell | 51 | Daughter | Treasurer | Maine |
| 99 | Virginia Miller | 17 | Granddaughter | — | Maine |
| 100 | Thompson Libby | 44 | Guest-Lodger | — | Maine |
Related Census Records
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)