MF
Mary Frost — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Frost across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 5-person household.
Age 18
b. ~1912
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Frost |
| Given Name | Mary R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Boston |
| Est. Birth Year | ~1912 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Maryjane Frost | Daughter | — | 14 | ~1916 |
| Donald Frost | Head | — | 52 | ~1878 |
| Mary Frost | Daughter | — | 18 | ~1912 |
| Mary Frost | Spouse | — | 42 | ~1888 |
| Donald Frost | Son | — | 16 | ~1914 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 8
Suffolk, Massachusetts · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | Mary R Jr |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Suffolk, Massachusetts
Daughter, age 18
Suffolk, Massachusetts · implied b. ~1912 — 5 household members
| Surname | Frost |
| Given Name | Mary R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Frost across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frost
Daughter · 1930 · age 18 · b. ~1912 · Massachusetts
★ You are viewing this record
Sibling
Donald Frost
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maryjane Frost
Sibling · 1930 · age 14
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
36 people indexed on this census page (ia:1930:massachusettscensus00reel945:1106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Helen Wirth | 33 | Servant | Governess | Switzerland |
| 52 | Nora Lofgren | 22 | Maid | Maid | Free State Ireland |
| 53 | Anna Sheilday | 38 | Maid | Waitress | Free State Ireland |
| 54 | Arthur Milliken | 72 | Head | — | Massachusetts |
| 55 | — | None | — | — | — |
| 56 | — | None | — | — | — |
| 57 | — | None | — | — | — |
| 58 | — | None | — | — | — |
| 59 | — | None | — | — | — |
| 60 | — | None | — | — | — |
| 61 | — | None | — | — | — |
| 62 | — | None | — | — | — |
| 63 | Donald W Frost | 52 | Head | Lawyer | South Carolina |
| 64 | Mary R Frost | 42 | Wife | — | Illinois |
| 65 | Mary R Frost THIS PERSON | 18 | Daughter | — | South Carolina |
| 66 | Donald Jr Frost | 16 | Son | — | Massachusetts |
| 67 | Maryjane Frost | 14 | Daughter | — | Massachusetts |
| 68 | — | None | — | — | — |
| 69 | — | None | — | — | — |
| 70 | — | None | — | — | — |
| 71 | — | None | — | — | — |
| 72 | — | None | — | — | — |
| 73 | James J Minot | 78 | Head | — | Massachusetts |
| 74 | George R Minot | 44 | Son | Prof + Physician | Massachusetts |
| 75 | Marian L Minot | 39 | Daughter-in-law | — | Massachusetts |
| 76 | — | None | — | — | — |
| 77 | Ernest Mansfield | 47 | Head | Merchant | Massachusetts |
| 78 | Ernestine Mansfield | 46 | Wife | — | Massachusetts |
| 79 | Helen F Mansfield | 16 | Daughter | — | Massachusetts |
| 80 | Ernest Mansfield | 12 | Son | — | Massachusetts |
| 81 | Elizabeth Mansfield | 14 | Daughter | — | Massachusetts |
| 82 | — | None | — | — | — |
| 83 | — | None | — | — | — |
| 84 | — | None | — | — | — |
| 85 | — | None | — | — | — |
| 86 | Blenda Nolung | 23 | Maid | Maid | Sweden |
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)