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Catherine Carroll — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Catherine Carroll across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 10-person household.
Age 11
b. ~1919
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Carroll |
| Given Name | Catherine A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston Mass |
| Est. Birth Year | ~1919 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| Anna Carroll | Daughter | — | 9 | ~1921 |
| Mary Carroll | Daughter | — | 23 | ~1907 |
| Mary Carroll | Daughter | — | 15 | ~1915 |
| Jeremiah Carroll | Head | — | 45 | ~1885 |
| Margaret Carroll | Daughter | — | 19 | ~1911 |
| Jeremiah Carroll | Son | — | 13 | ~1917 |
| Mary Carroll | Spouse | — | 41 | ~1889 |
| Theresa Carroll | Daughter | — | 7 | ~1923 |
| Michael Carroll | Son | — | 22 | ~1908 |
| Catherine Carroll | Daughter | — | 11 | ~1919 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 11
Suffolk, Massachusetts · implied b. ~1919 — 10 household members
| Surname | Carroll |
| Given Name | Catherine A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 22
Suffolk-County, Massachusetts · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carol |
| Given Name | Clarice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Stenographer |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 624 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 Catherine Carroll across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Carroll
Daughter · 1930 · age 11 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Anna Carroll
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeremiah Carroll
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Carroll
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Carroll
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Carroll
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Carroll
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Carroll
Sibling · 1930 · age 23
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:massachusettscensus00reel942:0900)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Powers | 3 | Daughter | None | Massachusetts |
| 2 | Bernadette Powers | 1 | Daughter | None | Massachusetts |
| 3 | Michael Doherty | 60 | Head | Watchman | Northern Ireland |
| 4 | Mary Doherty | 52 | Wife | None | Northern Ireland |
| 5 | Mary E. Doherty | 29 | Daughter | Bookkeeper | Massachusetts |
| 6 | Madeline Doherty | 27 | Daughter | Saleslady | Massachusetts |
| 7 | Katherine S. Doherty | 25 | Daughter | Clerk | Massachusetts |
| 8 | Anna J. Doherty | 23 | Daughter | Clerk | Massachusetts |
| 9 | Helen L. Doherty | 21 | Daughter | Clerk | Massachusetts |
| 10 | Grace V. Doherty | 19 | Daughter | Clerk | Massachusetts |
| 11 | Thomas J. Doherty | 17 | Son | Salesman | Massachusetts |
| 12 | Emily Doherty | 16 | Daughter | None | Massachusetts |
| 13 | Mary J. Lyons | 29 | Head | None | Massachusetts |
| 14 | Evelyn D. Lyons | 13 | Daughter | None | Massachusetts |
| 15 | Florence E. Lyons | 10 | Daughter | None | Massachusetts |
| 16 | Ernest A. Lyons | 9 | Son | None | Massachusetts |
| 17 | Henry W. Lyons | 7 | Son | None | Massachusetts |
| 18 | John F. Lyons | 4 | Son | None | Massachusetts |
| 19 | Rita M. Lyons | 2 | Daughter | None | Massachusetts |
| 20 | Julia Leahy | 53 | Head | None | Massachusetts |
| 21 | William C. Manning | 23 | Nephew | Chauffeur | Massachusetts |
| 22 | Alice M. Leahy | 18 | Niece | Bundler | Massachusetts |
| 23 | Thomas Bowker | 15 | Grandson | None | Massachusetts |
| 24 | James Bowker | 13 | Grandson | None | Massachusetts |
| 25 | John Waters | 42 | Head | Chauffeur | Massachusetts |
| 26 | Barbara Waters | 26 | Wife | None | Scotland |
| 27 | Ellen Waters | 7 | Daughter | None | Massachusetts |
| 28 | Agnes Waters | 3 | Daughter | None | Massachusetts |
| 29 | Michael J. Fitzpatrick | 23 | Brother-in-law | Laborer | Massachusetts |
| 30 | Jeremiah Carroll | 45 | Head | Engineer | Northern Ireland |
| 31 | Mary T. Carroll | 41 | Wife | None | Northern Ireland |
| 32 | Mary J. Carroll | 23 | Daughter | Grocer | Massachusetts |
| 33 | Michael H. Carroll | 22 | Son | Salesman | Massachusetts |
| 34 | Margaret J. Carroll | 19 | Daughter | None | Massachusetts |
| 35 | Mary Carroll | 15 | Daughter | None | Massachusetts |
| 36 | Jeremiah Carroll | 13 | Son | None | Massachusetts |
| 37 | Catherine A. Carroll THIS PERSON | 11 | Daughter | None | Massachusetts |
| 38 | Anna Carroll | 9 | Daughter | None | Massachusetts |
| 39 | Theresa Carroll | 7 | Daughter | None | Massachusetts |
| 40 | Jeremiah Harrington | 43 | Head | Laborer | Irish Free State |
| 41 | Margaret Harrington | 41 | Wife | None | Irish Free State |
| 42 | John F. Harrington | 13 | Son | None | Massachusetts |
| 43 | Mary M. Harrington | 12 | Daughter | None | Massachusetts |
| 44 | Catherine Harrington | 10 | Daughter | None | Massachusetts |
| 45 | Anna Harrington | 9 | Daughter | None | Massachusetts |
| 46 | Dennis J. Donahue | 52 | Head | Moulder | Irish Free State |
| 47 | Margaret T. Donahue | 50 | Wife | None | Irish Free State |
| 48 | Mary V. Donahue | 21 | Daughter | Clerk | Massachusetts |
| 49 | James P. Donahue | 19 | Son | None | Massachusetts |
| 50 | Catherine T. Donahue | 17 | Daughter | Clerk | 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)