MR
Mary Regan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Regan across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 13-person household.
Age 19
b. ~1911
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Regan |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Department Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Dorothy Regan | Daughter | — | 4 | ~1926 |
| Alice Regan | Daughter | — | 12 | ~1918 |
| Edward Regan | Son | — | 11 | ~1919 |
| Thomas Regan | Son | — | 18 | ~1912 |
| Francis Regan | Son | — | 26 | ~1904 |
| Minnie Regan | Daughter | — | 16 | ~1914 |
| William Regan | Head | — | 51 | ~1879 |
| Paul Regan | Son | — | 15 | ~1915 |
| Mary Regan | Other | — | 48 | ~1882 |
| Bridget Mcmahon | Other | — | 67 | ~1863 |
| John Regan | Son | — | 7 | ~1923 |
| Joseph Regan | Son | — | 23 | ~1907 |
| Mary Regan | Daughter | — | 19 | ~1911 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 9
Middlesex, Massachusetts · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Regan |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 19
Middlesex, Massachusetts · implied b. ~1911 — 13 household members
| Surname | Regan |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Department Store |
| 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 Regan across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Regan
Daughter · 1930 · age 19 · b. ~1911 · Massachusetts
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Sibling
Paul Regan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Regan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Regan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Regan
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Regan
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Regan
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Regan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Regan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Regan
Sibling · 1930 · age 4
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel922:0311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Manti | 12 | Son | None | Massachusetts |
| 2 | Amelia Manti | 10 | Daughter | None | Massachusetts |
| 3 | Gloria Manti | 6 | Daughter | None | Massachusetts |
| 4 | Albert Manti | 6 | Son | None | Massachusetts |
| 5 | Frank Nickerson | 33 | Head | Machinist | Vermont |
| 6 | Rose Nickerson | 31 | Wife-H | None | Massachusetts |
| 7 | Mary Nickerson | 7 | Daughter | None | Massachusetts |
| 8 | Margaret Doyle | 13 | Boarder | None | Massachusetts |
| 9 | Elizabeth Doyle | 9 | Boarder | None | Massachusetts |
| 10 | Esther Doyle | 7 | Boarder | None | Massachusetts |
| 11 | Thomas Flynn | 1 | Boarder | None | Massachusetts |
| 12 | Mary White | 68 | Head | None | Canada-English |
| 13 | Evelyn Fabre | 28 | Boarder | Dress Maker | Massachusetts |
| 14 | Muriel Fabre | 9 | Boarder | None | Massachusetts |
| 15 | Verissimo Betancourt | 48 | Head | Weaver | Portugal |
| 16 | Susan Betancourt | 48 | Wife-H | Knitter | Portugal |
| 17 | Anthony Betancourt | 19 | Son | Painter | Massachusetts |
| 18 | Francis Betancourt | 10 | Son | None | Massachusetts |
| 19 | Rose Jamison | 43 | Head-H | None | Canada-French |
| 20 | Elva Jamison | 19 | Daughter | Inspector | Massachusetts |
| 21 | Aurian Jamison | 15 | Daughter | None | Massachusetts |
| 22 | Albert Jamison | 12 | Son | None | Massachusetts |
| 23 | Geraldine Jamison | 10 | Daughter | None | Massachusetts |
| 24 | Gwendolyn Jamison | 8 | Daughter | None | Massachusetts |
| 25 | James Flanagan | 43 | Head | Weaver | Massachusetts |
| 26 | Mary E. Flanagan | 45 | Wife-H | None | Massachusetts |
| 27 | Mary T. Flanagan | 22 | Daughter | Stenographer | Massachusetts |
| 28 | Margaret C. Flanagan | 21 | Daughter | Stenographer | Massachusetts |
| 29 | William J. Flanagan | 18 | Son | Setter | Massachusetts |
| 30 | William F. Mcvey | 56 | Boarder | Stock Clerk | Massachusetts |
| 31 | Joseph Mcvey | 44 | Boarder | Painter | Massachusetts |
| 32 | Elizabeth Mcvey | 55 | Boarder | Operator | Massachusetts |
| 33 | Thomas Ryan | 50 | Head | Operator Machine | Irish Free State |
| 34 | Catherine Ryan | 50 | Wife-H | None | Irish Free State |
| 35 | Mary Ryan | 24 | Daughter | Teacher | Massachusetts |
| 36 | John Ryan | 22 | Son | Assistant Machine | Massachusetts |
| 37 | Thomas Jr. Ryan | 19 | Son | Cutter | Massachusetts |
| 38 | William H. Regan | 51 | Head | Police | Massachusetts |
| 39 | Mary E. Regan | 48 | Wife-H | None | Massachusetts |
| 40 | Francis Regan | 26 | Son | Stock Clerk | Massachusetts |
| 41 | Joseph A. Regan | 23 | Son | None | Massachusetts |
| 42 | Mary R. Regan THIS PERSON | 19 | Daughter | Clerk | Massachusetts |
| 43 | Thomas H. Regan | 18 | Son | Laborer | Massachusetts |
| 44 | Minnie B. Regan | 16 | Daughter | None | Massachusetts |
| 45 | Paul W. Regan | 15 | Son | None | Massachusetts |
| 46 | Alice C. Regan | 12 | Daughter | None | Massachusetts |
| 47 | Edward B. Regan | 11 | Son | None | Massachusetts |
| 48 | John F. Regan | 7 | Son | None | Massachusetts |
| 49 | Dorothy T. Regan | 4 | Daughter | None | Massachusetts |
| 50 | Bridget Mcmahon | 67 | Boarder | None | Irish Free State |
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)