MC
Mary Costa — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bristol, Massachusetts
Our Model Tree links this Mary Costa across the 1920 and 1930 US Censuses in Bristol, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 13-person household.
Age 18
b. ~1912
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bristol, Massachusetts |
| Surname | Costa |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Additional Details | |
| Occupation | Gilling-rating |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Gilling-Rating |
| Township / Ward | Fall River City |
| 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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Manuel Costa | Head | — | 48 | ~1882 |
| Mary Costa | Daughter | — | 18 | ~1912 |
| Lenora Costa | Daughter | — | 7 | ~1923 |
| Antonia Costa | Daughter | — | 14 | ~1916 |
| Lena Costa | Daughter | — | 6 | ~1924 |
| John Costa | Son | — | 11 | ~1919 |
| Caroline Viera | Other | — | 41 | ~1889 |
| Ida Costa | Daughter | — | 3 | ~1927 |
| Mary Costa | Other | — | 48 | ~1882 |
| Antone Costa | Son | — | 17 | ~1913 |
| Manuel Costa | Son | — | 20 | ~1910 |
| Georgina Costa | Daughter | — | 9 | ~1921 |
| Joseph Costa | Son | — | 13 | ~1917 |
Census Appearances
1920
Bristol, Massachusetts
Daughter, age 8
Bristol, Massachusetts · implied b. ~1912 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Bristol, Massachusetts
Daughter, age 18
Bristol, Massachusetts · implied b. ~1912 — 13 household members
| Surname | Costa |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | Gilling-rating |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Costa across 2 US Census years (1920 and 1930) in Bristol, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Costa
Daughter · 1930 · age 18 · b. ~1912 · Massachusetts
★ You are viewing this record
Sibling
Manuel Costa
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antone Costa
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Costa
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Costa
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Costa
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Costa
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Costa
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antonia Costa
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgina Costa
Sibling · 1930 · age 9
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 — Bristol, Massachusetts
Open full size
1930 US Federal Census — Bristol, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel889:0957)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Burton Leeming | 36 | Head | Asst Manager | Massachusetts |
| 2 | Mildred H Leeming | 38 | Wife-H | — | Massachusetts |
| 3 | Alfred P Leeming | 3 | Son | — | Massachusetts |
| 4 | Caroline Leeming | 1 | Daughter | — | Massachusetts |
| 5 | Alfred H Leeming | 62 | Head | Contractor | England |
| 6 | Elsie Hogues | 39 | Daughter | — | Massachusetts |
| 7 | George W Hogues | 40 | Son-in-law | Watchmaker | Massachusetts |
| 8 | Phyllis Hogues | 9 | Granddaughter | — | Massachusetts |
| 9 | David Hogues | 8 | Grandson | — | Massachusetts |
| 10 | Russell G Hogues | 4 | Grandson | — | Massachusetts |
| 11 | Lawrence E Warren | 72 | Head | Salesman | Connecticut |
| 12 | Agnes S Warren | 66 | Wife-H | — | Massachusetts |
| 13 | Francis J Morris | 45 | Head | Motorman | England |
| 14 | Maud E Morris | 33 | Wife-H | — | Massachusetts |
| 15 | M C Fortune Morris | 75 | Mother-in-law | — | Massachusetts |
| 16 | Manuel Fraiz | 43 | Head | Odd Jobs | Portugal |
| 17 | Mary Fraiz | 31 | Wife-H | — | Massachusetts |
| 18 | Manuel Fraiz | 16 | Son | Sweeper | Massachusetts |
| 19 | Joseph Fraiz | 13 | Son | — | Massachusetts |
| 20 | Antone Fraiz | 10 | Son | — | Massachusetts |
| 21 | Isabelle Fraiz | 5 | Daughter | — | Massachusetts |
| 22 | Annie Fraiz | 1 | Daughter | — | Massachusetts |
| 23 | Joseph Fraiz | 79 | Father | — | Portugal |
| 24 | Jane Hannon | 51 | Head | — | Massachusetts |
| 25 | Thomas G Hannon | 24 | Son | Sparehand | Massachusetts |
| 26 | Gregory Hannon | 21 | Son | Weaver | Massachusetts |
| 27 | James Hannon | 17 | Son | Laborer | Massachusetts |
| 28 | Nicholas Hannon | 15 | Son | — | Massachusetts |
| 29 | Gertrude Hannon | 13 | Daughter | — | Massachusetts |
| 30 | Cecelia Hannon | 20 | Daughter | Weaver | Massachusetts |
| 31 | Manuel V Costa | 48 | Head | Laborer | Portugal |
| 32 | Mary Costa | 48 | Wife-H | — | Portugal |
| 33 | Manuel Costa | 20 | Son | Laborer | Massachusetts |
| 34 | Mary Costa THIS PERSON | 18 | Daughter | Gilling-Rating | Massachusetts |
| 35 | Antone Costa | 17 | Son | Baler | Massachusetts |
| 36 | Antonia Costa | 14 | Daughter | — | Massachusetts |
| 37 | Joseph Costa | 13 | Son | — | Massachusetts |
| 38 | John Costa | 11 | Son | — | Massachusetts |
| 39 | Georgina Costa | 9 | Daughter | — | Massachusetts |
| 40 | Lenora Costa | 7 | Daughter | — | Massachusetts |
| 41 | Lena Costa | 6 | Daughter | — | Massachusetts |
| 42 | Ida Costa | 3 | Daughter | — | Massachusetts |
| 43 | Caroline Viera | 41 | Boarder | — | Portugal |
| 44 | Manuel Brilliant | 32 | Head | Yardman | Massachusetts |
| 45 | Ida Brilliant | 31 | Wife-H | — | Canada-French |
| 46 | John Brilliant | 10 | Son | — | Massachusetts |
| 47 | Eva Brilliant | 6 | Daughter | — | Massachusetts |
| 48 | Roland A Reed | 24 | Head | Laborer | Massachusetts |
| 49 | Cordelia M Reed | 26 | Wife-H | — | Massachusetts |
| 50 | Norman S Pratt | 7 | Son | — | 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)