MC
Mary Costa — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Mary Costa across the 1920 and 1930 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 13-person household.
Age 22
b. ~1908
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Costa |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Additional Details | |
| Occupation | Inspector |
| Industry | Wire Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Inspector |
| Township / Ward | Jersey City City |
| Est. Birth Year | ~1908 |
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 |
|---|---|---|---|---|
| Pearl Costa | Daughter | — | 10 | ~1920 |
| Mary Costa | Daughter | — | 22 | ~1908 |
| Emma Costa | Daughter | — | 17 | ~1913 |
| George Costa | Son | — | 5 | ~1925 |
| George Costa | Head | — | 49 | ~1881 |
| Margaret Costa | Daughter | — | 8 | ~1922 |
| Rose Costa | Daughter | — | 12 | ~1918 |
| Louise Costa | Daughter | — | 20 | ~1910 |
| Mary Angelo | Other | — | 67 | ~1863 |
| Angelina Costa | Daughter | — | 24 | ~1906 |
| Pearl Costa | Spouse | — | 40 | ~1890 |
| George Costa | Other | — | 25 | ~1905 |
| Louis Costa | Son | — | 4 | ~1926 |
Census Appearances
1920
Hudson, New …
Daughter, age 12
Hudson, New Jersey · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Daughter, age 22
Hudson, New Jersey · implied b. ~1908 — 13 household members
| Surname | Costa |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | Inspector |
| Industry | Wire Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Hudson, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Costa
Daughter · 1930 · age 22 · b. ~1908 · New Jersey
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Sibling
Louise Costa
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Costa
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Costa
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Costa
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Angelina Costa
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Costa
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Costa
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Costa
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 — Hudson, New Jersey
Open full size
1930 US Federal Census — Hudson, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1353:0411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Sasso | 57 | Head | — | Italy |
| 2 | Robert M Sasso | 34 | Son | Chauffeur | Italy |
| 3 | Assunta Sasso | 22 | Daughter | Packer | New York |
| 4 | Joseph R Sasso | 21 | Son | Apprentice | New York |
| 5 | Florence A Sasso | 18 | Daughter | Packer | New York |
| 6 | George Costa | 49 | Head | Hod Carrier | Italy |
| 7 | Pearl Costa | 40 | Wife | — | Italy |
| 8 | Angelina Costa | 24 | Daughter | Clerical Work | New Jersey |
| 9 | Mary H Costa THIS PERSON | 22 | Daughter | Inspector | New Jersey |
| 10 | Louise M Costa | 20 | Daughter | Typist | New Jersey |
| 11 | Emma F Costa | 17 | Daughter | — | New Jersey |
| 12 | Rose M Costa | 12 | Daughter | — | New Jersey |
| 13 | Pearl Costa | 10 | Daughter | — | New Jersey |
| 14 | Margaret Costa | 8 | Daughter | — | New Jersey |
| 15 | George Costa | 5 | Son | — | New Jersey |
| 16 | Louis Costa | 4 | Son | — | New Jersey |
| 17 | Mary Angelo | 67 | Mother-in-law | — | Italy |
| 18 | George Costa | 25 | Brother-in-law | Longshoreman | New Jersey |
| 19 | Stella O'Neill | 37 | Head | Packer | New Jersey |
| 20 | Catherine O'Neill | 19 | Daughter | Operator | New Jersey |
| 21 | Catherine Landrigan | 75 | Mother | — | Irish Free State |
| 22 | Thomas Landrigan | 38 | Son | Mate | New Jersey |
| 23 | John Schuider | 71 | Head | Watchman | Germany |
| 24 | Winifred Schuider | 70 | Wife | — | Germany |
| 25 | John Galiador | 53 | Head | Muffler | Greece |
| 26 | Helen Galiador | 33 | Wife | — | Greece |
| 27 | Henrietta Galiador | 11 | Daughter | — | New Jersey |
| 28 | Charles Galiador | 9 | Son | — | New Jersey |
| 29 | Sophia Galiador | 7 | Daughter | — | New Jersey |
| 30 | Lizzie Galiador | 5 | Daughter | — | New Jersey |
| 31 | Anakaliis Galiador | 4 | Daughter | — | New Jersey |
| 32 | Peter Petrides | 33 | Head | Glass Cutter | Turkey |
| 33 | Constance Petrides | 23 | Wife | — | Pennsylvania |
| 34 | Penelope Petrides | 2 | Daughter | — | New Jersey |
| 35 | Peter P Armul | 26 | Brother-in-law | Painter | Pennsylvania |
| 36 | Jerry J Shine | 59 | Head | Watchman | Irish Free State |
| 37 | Annie M Shine | 53 | Wife | — | Irish Free State |
| 38 | Sadie A Shine | 32 | Daughter | Housekeeper | New Jersey |
| 39 | Lawrence G Shine | 27 | Son | Clerical | New Jersey |
| 40 | Vincent J Shine | 23 | Son | Clerical | New Jersey |
| 41 | Stallous Gero | 40 | Head | Foreman | Turkey |
| 42 | Varato Gero | 35 | Wife | — | Turkey |
| 43 | Lester Gero | 6 | Son | — | New Jersey |
| 44 | Ernest Gero | 3 | Son | — | New Jersey |
| 45 | Lazar Gero | 0 | Son | — | New Jersey |
| 46 | Eddie Hegian | 30 | Lodger | Painter | Turkey |
| 47 | Paul Pappas | 42 | Head | Wire Cleaner | Turkey |
| 48 | Offidau Pappas | 35 | Wife | — | Greece |
| 49 | Mary Pappas | 8 | Daughter | — | New York |
| 50 | Harry Pappas | 6 | Son | — | New York |
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)