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Mary Larkin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Larkin across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Patrick & Mary — first a daughter (b.~1899), then head of a 8-person household.
Age 31
b. ~1899
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Larkin |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Secretary |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Boston |
| Est. Birth Year | ~1899 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Theresa Larkin | Daughter | — | 25 | ~1905 |
| Mary Larkin | Daughter | — | 31 | ~1899 |
| Patrick Larkin | Head | — | 60 | ~1870 |
| Mary Larkin | Other | — | 45 | ~1885 |
| John Larkin | Son | — | 15 | ~1915 |
| James Larkin | Son | — | 19 | ~1911 |
| Francis Larkin | Son | — | 28 | ~1902 |
| Mary Larkin | Spouse | — | 58 | ~1872 |
Census Appearances
1910
Suffolk, Massachusetts
Daughter, age 10
Suffolk, Massachusetts · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Saleslady |
| Industry | Dept Store |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Daughter, age 20
Suffolk, Massachusetts · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Typist |
| 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
Daughter, age 31
Suffolk, Massachusetts · implied b. ~1899 — 8 household members
| Surname | Larkin |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Secretary |
| 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 Larkin across 3 US Census years (1910, 1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father Patrick Larkin (~0.92 confidence) and mother Mary Larkin (~0.92 confidence) and mother Catherine Larkin (~0.92 confidence) and father Michael Larkin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Larkin
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Larkin
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Catherine Larkin
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Michael Larkin
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Larkin
Daughter · 1930 · age 31 · b. ~1899 · Massachusetts
★ You are viewing this record
Sibling
Theresa Larkin
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Larkin
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Larkin
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Larkin
Sibling · 1930 · age 15
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel948:0312)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Hurley | 29 | Head | Chauffeur | Massachusetts |
| 52 | Ruth Hurley | 26 | Wife | — | Massachusetts |
| 53 | Gertrude Hurley | 6 | Daughter | — | Massachusetts |
| 54 | Daniel Hurley | 2 | Son | — | Massachusetts |
| 55 | Jeremiah Fahey | 52 | Head | Laborer | Canada English |
| 56 | Emma Fahey | 36 | Wife | — | Canada English |
| 57 | Mary F. Fahey | 16 | Daughter | — | Massachusetts |
| 58 | Lillian Fahey | 14 | Daughter | — | Massachusetts |
| 59 | Helen Fahey | 11 | Daughter | — | Massachusetts |
| 60 | Hazel Fahey | 9 | Daughter | — | Massachusetts |
| 61 | John Fahey | 4 | Son | — | Massachusetts |
| 62 | Irving Lessier | 24 | Head | Mechanic | Massachusetts |
| 63 | Rachelle Lessier | 20 | Wife | — | Canada English |
| 64 | Ruth Lessier | 1 | Daughter | — | Massachusetts |
| 65 | Rachelle L. Lessier | 0 | Daughter | — | Massachusetts |
| 66 | Alexander Mcnair | 40 | Head | Fireman | Scotland |
| 67 | Sarah Mcnair | 36 | Wife | — | Canada English |
| 68 | Frederick G. Plask | 60 | Head | Machinist | England |
| 69 | Blanche Plask | 44 | Wife | — | Canada English |
| 70 | Frederick Plask | 16 | Son | — | Massachusetts |
| 71 | Mary A. Daniel | 55 | Head | — | Pennsylvania |
| 72 | Rose E. Kelly | 45 | Sister | Manager | Pennsylvania |
| 73 | John Martin | 72 | Head | Salesman | Canada English |
| 74 | Margaret M. Martin | 58 | Sister | — | Canada English |
| 75 | Mary A. Martin | 50 | Sister | — | Canada English |
| 76 | Allen Ford | 70 | Head | — | Irish Free State |
| 77 | William Ford | 30 | Son | Helper | Massachusetts |
| 78 | Andrew Smith | 60 | Head | Blacksmith | Scotland |
| 79 | Jennie Smith | 55 | Wife | — | Irish Free State |
| 80 | David J. Smith | 25 | Son | Manager | Massachusetts |
| 81 | Alex J. Kennedy | 39 | Head | Foreman | Canada English |
| 82 | Mary Kennedy | 35 | Wife | — | Canada English |
| 83 | Joseph Kennedy | 10 | Son | — | Canada English |
| 84 | Francis Kennedy | 8 | Son | — | Canada English |
| 85 | Harold Kennedy | 2 | Son | — | Massachusetts |
| 86 | — | None | — | — | — |
| 87 | Patrick J. Larkin | 60 | Head | Electrician | Ireland |
| 88 | Mary F. Larkin | 58 | Wife | — | Massachusetts |
| 89 | Mary B. Larkin THIS PERSON | 31 | Daughter | Secretary | Massachusetts |
| 90 | Francis J. Larkin | 28 | Son | Electrician | Massachusetts |
| 91 | Theresa A. Larkin | 25 | Daughter | Teacher | Massachusetts |
| 92 | James A. Larkin | 19 | Son | — | Massachusetts |
| 93 | John J. Larkin | 15 | Son | — | Massachusetts |
| 94 | Mary Larkin | 45 | Sister | Domestic | Massachusetts |
| 95 | — | None | — | — | — |
| 96 | — | None | — | — | — |
| 97 | — | None | — | — | — |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
Pedigree Summary
Mary + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)