MC
Mary Carey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Carey across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 2
b. ~1928
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Carey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| 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 Of |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alma Carey | Daughter | — | 4 | ~1926 |
| Mary Carey | Daughter | — | 2 | ~1928 |
| Florence Carey | Daughter | — | 9 | ~1921 |
| John Carey | Head | — | 31 | ~1899 |
| John Carey | Son | — | 8 | ~1922 |
| Robert Carey | Son | — | 6 | ~1924 |
| Alma Carey | Spouse | — | 33 | ~1897 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 2
Suffolk, Massachusetts · implied b. ~1928 — 7 household members
| Surname | Carey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| 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 13
Suffolk-County, Massachusetts · implied b. ~1927 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carrey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | No 8 |
| 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 Carey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carey
Daughter · 1930 · age 2 · b. ~1928 · Massachusetts
★ You are viewing this record
Sibling
Alma Carey
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Carey
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Carey
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Carey
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel946:0749)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Aldina Dilly | 40 | Wife | — | Massachusetts |
| 52 | Mildred Dilly | 13 | Daughter | — | Massachusetts |
| 53 | Charles Jr. Dilly | 11 | Son | — | Massachusetts |
| 54 | Milton Dilly | 8 | Son | — | Massachusetts |
| 55 | Robert Dilly | 4 | Son | — | Massachusetts |
| 56 | Gertrude Lydon | 16 | Daughter | — | Massachusetts |
| 57 | Michael Cappellano | 46 | Head | Foreman | Italy |
| 58 | Mary Cappellano | 46 | Wife | — | Italy |
| 59 | Joseph Cappellano | 18 | Son | — | Italy |
| 60 | Mary Cappellano | 13 | Daughter | — | Massachusetts |
| 61 | John Cappellano | 10 | Son | — | Massachusetts |
| 62 | Paul Cappellano | 9 | Son | — | Massachusetts |
| 63 | Leo Cappellano | 6 | Son | — | Massachusetts |
| 64 | Walter H. Ingersoll | 38 | Head | — | Massachusetts |
| 65 | Annie V. Ingersoll | 33 | Wife | — | Massachusetts |
| 66 | Rita M. Ingersoll | 13 | Daughter | — | Massachusetts |
| 67 | June F. Ingersoll | 4 | Daughter | — | Massachusetts |
| 68 | John Carey | 31 | Head | Truck Driver | Massachusetts |
| 69 | Alma Carey | 33 | Wife | — | Massachusetts |
| 70 | Florence Carey | 9 | Daughter | — | Massachusetts |
| 71 | John Carey | 8 | Son | — | Massachusetts |
| 72 | Robert Carey | 6 | Son | — | Massachusetts |
| 73 | Alma Carey | 4 | Daughter | — | Massachusetts |
| 74 | Mary Carey THIS PERSON | 2 | Daughter | — | Massachusetts |
| 75 | Albert Harrison | 43 | Head | Mechanic | Massachusetts |
| 76 | Lena E. Harrison | 39 | Wife | — | Massachusetts |
| 77 | Hazel M. Harrison | 19 | Daughter | Painting | Massachusetts |
| 78 | Earl R. Harrison | 17 | Son | — | Massachusetts |
| 79 | William H. Harrison | 13 | Son | — | Massachusetts |
| 80 | Muriel Harrison | 3 | Daughter | — | Massachusetts |
| 81 | George W. Smith | 36 | Head | Truck Driver | Massachusetts |
| 82 | Emily E. Smith | 34 | Wife | — | Massachusetts |
| 83 | George W. Smith | 11 | Son | — | Massachusetts |
| 84 | Ruth D. Smith | 8 | Daughter | — | Massachusetts |
| 85 | Edward P. Smith | 3 | Son | — | Massachusetts |
| 86 | John J. Greene | 41 | Head | — | Ireland |
| 87 | Florence M. Greene | 32 | Wife | — | Ireland |
| 88 | James J. Greene | 11 | Son | — | Massachusetts |
| 89 | John J. Greene | 9 | Son | — | Massachusetts |
| 90 | Josephine Greene | 7 | Daughter | — | Massachusetts |
| 91 | Robert Greene | 2 | Son | — | Massachusetts |
| 92 | Harry Smith | 29 | Head | Steamfitter | Massachusetts |
| 93 | Edna Smith | 24 | Wife | — | Massachusetts |
| 94 | Rose M. Smith | 4 | Daughter | — | Massachusetts |
| 95 | Harry Jr. Smith | 1 | Son | — | Massachusetts |
| 96 | Charles Tobin | 52 | Head | Carpenter | Massachusetts |
| 97 | Harriet Tobin | 35 | Wife | — | Canada |
| 98 | Virginia Tobin | 8 | Daughter | — | Massachusetts |
| 99 | Harriet Tobin | 7 | Daughter | — | Massachusetts |
| 100 | Muriel Tobin | 3 | 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)