MF
Mary Finn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Finn across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 7-person household.
Age 35
b. ~1895
Female
Spouse
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Finn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1895 |
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 |
|---|---|---|---|---|
| James Finn | Son | — | 6 | ~1924 |
| Mary Finn | Spouse | — | 35 | ~1895 |
| Marie Finn | Daughter | — | 8 | ~1922 |
| John Finn | Son | — | 11 | ~1919 |
| Joseph Finn | Son | — | 1 | ~1929 |
| Dorothy Finn | Daughter | — | 3 | ~1927 |
| George Finn | Head | — | 34 | ~1896 |
Census Appearances
1920
Suffolk, Massachusetts
Other, age 24
Suffolk, Massachusetts · implied b. ~1896 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Finn |
| Given Name | Mary |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Bleacher |
| Industry | Carpet cleaner |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Spouse, age 35
Suffolk, Massachusetts · implied b. ~1895 — 7 household members
| Surname | Finn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 19 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 Finn across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Finn
Spouse · 1930 · age 35 · b. ~1895 · Massachusetts
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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:massachusettscensus00reel948:0120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marion Brown | 8 | Daughter | — | Massachusetts |
| 52 | Michael Farrell | 37 | Head | Chauffeur | Massachusetts |
| 53 | Elizabeth Farrell | 32 | Wife | — | Massachusetts |
| 54 | Michael Jr. Farrell | 9 | Son | — | Massachusetts |
| 55 | Elizabeth M. Farrell | 7 | Daughter | — | Massachusetts |
| 56 | Esther Farrell | 5 | Daughter | — | Massachusetts |
| 57 | Fred L. Bourner | 62 | Head | Machinist | Massachusetts |
| 58 | Jennie K. Bourner | 47 | Wife | — | Massachusetts |
| 59 | Patrick F. Dansky | 43 | Head | Chauffeur | Massachusetts |
| 60 | Katherine Dansky | 37 | Wife | — | Canada - English |
| 61 | Dorothea Dansky | 15 | Daughter | — | Massachusetts |
| 62 | John Dansky | 12 | Son | — | Massachusetts |
| 63 | Katherine Dansky | 10 | Daughter | — | Massachusetts |
| 64 | Patrick J. Jr. Dansky | 7 | Son | — | Massachusetts |
| 65 | Eugene Dansky | 2 | Son | — | Massachusetts |
| 66 | Max Kaufman | 48 | Head | Clerk | Russia |
| 67 | Esther Kaufman | 33 | Wife | — | Russia |
| 68 | Sam Kaufman | 23 | Son | Upholsterer | Russia |
| 69 | Harry Kaufman | 21 | Son | Upholsterer | Russia |
| 70 | Morris Kaufman | 10 | Son | — | Massachusetts |
| 71 | George E. Finn | 34 | Head | Chauffeur | Massachusetts |
| 72 | Mary Finn THIS PERSON | 35 | Wife | — | Massachusetts |
| 73 | John Finn | 11 | Son | — | Massachusetts |
| 74 | Marie Finn | 8 | Daughter | — | Massachusetts |
| 75 | James Finn | 6 | Son | — | Massachusetts |
| 76 | Dorothy Finn | 3 | Daughter | — | Massachusetts |
| 77 | Joseph Finn | 1 | Son | — | Massachusetts |
| 78 | George Ottovrie | 40 | Head | Laborer | Italy |
| 79 | Mary Ottovrie | 35 | Wife | — | Italy |
| 80 | Ernest Ottovrie | 9 | Son | — | Massachusetts |
| 81 | Geraldine Ottovrie | 7 | Daughter | — | Massachusetts |
| 82 | Benjamin Noodleman | 44 | Head | Roofer | Russia |
| 83 | Lila Noodleman | 41 | Wife | — | Russia |
| 84 | Rose Chadow Cole | 67 | Head | Matron | New York |
| 85 | Rose Cole | 49 | Wife | — | Massachusetts |
| 86 | George Cole | 19 | Son | Laborer | Wisconsin |
| 87 | Frank Cole | 15 | Son | — | Louisiana |
| 88 | Theodore Cole | 13 | Son | — | Louisiana |
| 89 | Dorothy Cole | 11 | Daughter | — | Louisiana |
| 90 | James Bermingham | 31 | Head | Teamster | Massachusetts |
| 91 | Anna Bermingham | 26 | Wife | — | Massachusetts |
| 92 | William Bermingham | 6 | Son | — | Massachusetts |
| 93 | Julia Bermingham | 4 | Daughter | — | Massachusetts |
| 94 | Mary Bermingham | 3 | Daughter | — | Massachusetts |
| 95 | James Jr. Bermingham | 1 | Son | — | Massachusetts |
| 96 | John J. Egan | 50 | Head | Teamster | Massachusetts |
| 97 | Theresa Egan | 49 | Wife | — | Massachusetts |
| 98 | John J. Jr. Egan | 26 | Son | Laborer | Massachusetts |
| 99 | Margaret Egan | 22 | Daughter | Sales Girl | Massachusetts |
| 100 | William Egan | 19 | Son | Cleaner | 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)