MH
Mary Hanley — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Hanley across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 7-person household.
Age 15
b. ~1915
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Hanley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Frank Hanley | Head | — | 40 | ~1890 |
| Frank Hanley | Son | — | 14 | ~1916 |
| George Hanley | Son | — | 10 | ~1920 |
| Lillian Hanley | Daughter | — | 8 | ~1922 |
| Margaret Hanley | Spouse | — | 38 | ~1892 |
| Mary Hanley | Daughter | — | 15 | ~1915 |
| Margaret Hanley | Daughter | — | 11 | ~1919 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 15
Middlesex, Massachusetts · implied b. ~1915 — 7 household members
| Surname | Hanley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Office |
| 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 Hanley across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hanley
Daughter · 1930 · age 15 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Margaret Hanley
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Hanley
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Hanley
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hanley
Sibling · 1930 · age 10
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:1930:15thcensuspopula917unit:0528)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude Mccarthy | 45 | Head | — | Massachusetts |
| 2 | Anna M. Mccarthy | 17 | Daughter | — | Massachusetts |
| 3 | Leo C. Mccarthy | 15 | Son | — | Massachusetts |
| 4 | Eleanor M. Mccarthy | 13 | Daughter | — | Massachusetts |
| 5 | Cornelius J. Sullivan | 41 | Head | Clerk | Massachusetts |
| 6 | Johanna Sullivan | 47 | Sister | — | Massachusetts |
| 7 | Margaret O'Connell | 41 | Sister | Book Binder | Massachusetts |
| 8 | Ruth G. O'Connell | 16 | Niece | — | Massachusetts |
| 9 | Marie O'Connell | 14 | Niece | — | Massachusetts |
| 10 | Dorothy J. O'Connell | 12 | Niece | — | Massachusetts |
| 11 | Edward Baker | 48 | Head | Conductor | Massachusetts |
| 12 | Agnes M. Baker | 44 | Wife | — | Massachusetts |
| 13 | Mary Baker | 24 | Daughter | Clerk | Massachusetts |
| 14 | Isabella Baker | 16 | Daughter | — | Massachusetts |
| 15 | Agnes Baker | 14 | Daughter | — | Massachusetts |
| 16 | Mildred Baker | 11 | Daughter | — | Massachusetts |
| 17 | Fred Dahlman | 39 | Head | Mechanic | Denmark |
| 18 | Emily C. Dahlman | 37 | Wife | — | Massachusetts |
| 19 | Fred Dahlman | 13 | Son | — | Massachusetts |
| 20 | Eleanor E. Dahlman | 10 | Daughter | — | Massachusetts |
| 21 | Veronica Dahlman | 7 | Daughter | — | Massachusetts |
| 22 | Mary E. Dahlman | 5 | Daughter | — | Massachusetts |
| 23 | Leo W. King | 28 | Lodger | Plasterer | Canada French |
| 24 | Minnie L. King | 25 | Lodger | — | France |
| 25 | Louis C. King | 24 | Lodger | Brakeman | Canada French |
| 26 | Ellen Murphy | 74 | Head | — | Irish Free State |
| 27 | Julia E. Murphy | 41 | Daughter | — | Massachusetts |
| 28 | Nellie G. Murphy | 37 | Daughter | — | Massachusetts |
| 29 | Joseph E. Conley | 38 | Lodger | Book Binder | Massachusetts |
| 30 | Mary Conley | 35 | Daughter | Printer | Massachusetts |
| 31 | Joseph E. Conley | 10 | Son | — | Massachusetts |
| 32 | Edward Conley | 8 | Son | Office | Massachusetts |
| 33 | Thomas Conley | 6 | Son | — | Massachusetts |
| 34 | Mary E. Conley | 1 | Daughter | — | Massachusetts |
| 35 | Frank J. Hanley | 40 | Head | Foreman | Massachusetts |
| 36 | Margaret Hanley | 38 | Wife | — | Massachusetts |
| 37 | Mary Hanley THIS PERSON | 15 | Daughter | Clerk | Massachusetts |
| 38 | Frank J. Hanley | 14 | Son | Clerk | Massachusetts |
| 39 | Margaret Hanley | 11 | Daughter | Chauffeur | Massachusetts |
| 40 | George Hanley | 10 | Son | — | Massachusetts |
| 41 | Lillian P. Hanley | 8 | Daughter | — | Massachusetts |
| 42 | James J. Walker | 45 | Head | Baker | Scotland |
| 43 | Grace Walker | 45 | Wife | — | Scotland |
| 44 | Robert Reid | 45 | Head | Conductor | Scotland |
| 45 | Alice S. Reid | 41 | Wife | — | Canada English |
| 46 | William J. Reid | 16 | Son | Machinist | Massachusetts |
| 47 | Alice M. Reid | 14 | Daughter | — | Massachusetts |
| 48 | Sarah J. Reid | 11 | Daughter | — | Massachusetts |
| 49 | James Reid | 9 | Son | — | Massachusetts |
| 50 | Dorothy Reid | 7 | Daughter | — | 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)