MF
Mary Finn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Union, New Jersey
Our Model Tree links this Mary Finn across the 1920 and 1930 US Censuses in Union, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 10-person household.
Age 25
b. ~1905
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Union, New Jersey |
| Surname | Finn |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | stenographer |
| Industry | insurance co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stenographer |
| Township / Ward | Elizabeth City |
| Est. Birth Year | ~1905 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Finn | Daughter | — | 25 | ~1905 |
| Richard Finn | Son | — | 20 | ~1910 |
| Anthony Finn | Son | — | 10 | ~1920 |
| Eugene Finn | Son | — | 15 | ~1915 |
| Esther Finn | Daughter | — | 13 | ~1917 |
| Anna Nugent | Other | — | 55 | ~1875 |
| Luke Finn | Head | — | 58 | ~1872 |
| Mary Finn | Other | — | 52 | ~1878 |
| Isabell Finn | Daughter | — | 21 | ~1909 |
| Margaret Finn | Daughter | — | 18 | ~1912 |
Census Appearances
1920
Union, New …
Daughter, age 15
Union, New Jersey · implied b. ~1905 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Finn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Daughter, age 25
Union, New Jersey · implied b. ~1905 — 10 household members
| Surname | Finn |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Occupation | stenographer |
| Industry | insurance co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Finn across 2 US Census years (1920 and 1930) in Union, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Finn
Daughter · 1930 · age 25 · b. ~1905 · New Jersey
★ You are viewing this record
Sibling
Margaret Finn
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Finn
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Finn
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Finn
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Finn
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabell Finn
Sibling · 1930 · age 21
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 — Union, New Jersey
Open full size
1930 US Federal Census — Union, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1386:0460)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Michael Sereno | 40 | Head | Laborer | Italy |
| 52 | Josephine Sereno | 29 | Wife-H | None | Italy |
| 53 | Philomena Sereno | 12 | daughter | None | New Jersey |
| 54 | Theresa Sereno | 11 | daughter | None | New Jersey |
| 55 | Lily Sereno | 9 | daughter | None | New Jersey |
| 56 | Elsie Sereno | 8 | daughter | None | New Jersey |
| 57 | Anna Sereno | 7 | daughter | None | New Jersey |
| 58 | Luke Finn | 58 | Head | Sheet Metal Worker | Pennsylvania |
| 59 | Mary Finn | 52 | Wife-H | None | New York |
| 60 | Mary Finn THIS PERSON | 25 | daughter | Stenographer | New Jersey |
| 61 | Isabell Finn | 21 | daughter | Clerk | New Jersey |
| 62 | Richard Finn | 20 | son | Accountant | New Jersey |
| 63 | Margaret Finn | 18 | daughter | Stenographer | New Jersey |
| 64 | Eugene Finn | 15 | son | None | New Jersey |
| 65 | Esther Finn | 13 | daughter | None | New Jersey |
| 66 | Anthony Finn | 10 | son | None | New Jersey |
| 67 | Anna Nugent | 55 | sister-in-law | Dressmaker | New York |
| 68 | Robert Acheson | 45 | Head | Guardsman | Irish Free State |
| 69 | Margaret Acheson | 43 | Wife-H | None | Irish Free State |
| 70 | Robert Acheson | 16 | son | Laborer | New Jersey |
| 71 | Margaret Acheson | 14 | daughter | None | New Jersey |
| 72 | Charles Acheson | 12 | son | None | New Jersey |
| 73 | Dorothy Acheson | 11 | daughter | None | New Jersey |
| 74 | Frederick Acheson | 9 | son | None | New Jersey |
| 75 | John Acheson | 7 | son | None | New Jersey |
| 76 | John Calamari | 37 | Head | Pipe Fitter | New Jersey |
| 77 | Nellie Calamari | 36 | Wife-H | None | New Jersey |
| 78 | Edna M. Meade | 16 | daughter | Sales Lady | New Jersey |
| 79 | John Calamari | 9 | son | None | New Jersey |
| 80 | Arthur Calamari | 3 | son | None | New Jersey |
| 81 | Joseph Calamari | 1 | son | None | New Jersey |
| 82 | Cyril Simone | 28 | Head | Shipping Clerk | New York |
| 83 | Margaret Simone | 25 | Wife-H | None | New Jersey |
| 84 | Cyril Simone | 5 | son | None | New Jersey |
| 85 | Regina Simone | 1 | daughter | None | New Jersey |
| 86 | Andrew Matrano | 32 | Head | Laborer | Italy |
| 87 | Mollye Matrano | 26 | Wife-H | None | Italy |
| 88 | Joseph Matrano | 7 | son | None | New Jersey |
| 89 | Mary Matrano | 5 | daughter | None | New Jersey |
| 90 | Theresa Matrano | 1 | daughter | None | New Jersey |
| 91 | Louis De Pasquale | 20 | Head | Laborer | Italy |
| 92 | Eugenia De Pasquale | 21 | Wife-H | Typist | New Jersey |
| 93 | Alf Meincke | 46 | Head | Steel Tester | Germany |
| 94 | Wilhelma Meincke | 44 | Wife-H | None | Germany |
| 95 | John Raslowsky | 29 | boarder | Machinist | Germany |
| 96 | John Rohl | 49 | Head | Watchman | Germany |
| 97 | Gertrude Rohl | 38 | Wife-H | None | Germany |
| 98 | Dorothy Rohl | 13 | daughter | None | New Jersey |
| 99 | John Rohl | 11 | son | None | New Jersey |
| 100 | Margaret Rohl | 8 | daughter | None | New Jersey |
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)