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Mary Mcdermott — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Providence, Rhode Island
Our Model Tree links this Mary Mcdermott across the 1920 and 1930 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 11-person household.
Age 22
b. ~1908
Female
Daughter
Born: Rhode Island
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Providence, Rhode Island |
| Surname | McDermott |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Rhode Island |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Stenographer |
| Township / Ward | Providence City |
| Est. Birth Year | ~1908 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Mcdermott | Daughter | — | 10 | ~1920 |
| Mary Mcdermott | Daughter | — | 22 | ~1908 |
| Helen Mcdermott | Daughter | — | 7 | ~1923 |
| Catherine Mcdermott | Daughter | — | 17 | ~1913 |
| Margaret Mcdermott | Daughter | — | 21 | ~1909 |
| Mildred Mcdermott | Daughter | — | 12 | ~1918 |
| Daniel Mcdermott | Head | — | 53 | ~1877 |
| Agnes Mcdermott | Other | — | 46 | ~1884 |
| Thomas Brady | Other | — | 50 | ~1880 |
| Thomas Mcdermott | Son | — | 15 | ~1915 |
| Walter Mcdermott | Son | — | 19 | ~1911 |
Census Appearances
1920
Providence, Rhode …
Daughter, age 12
Providence, Rhode Island · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Dermott |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Rhode Island |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Daughter, age 22
Providence, Rhode Island · implied b. ~1908 — 11 household members
| Surname | McDermott |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Rhode Island |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Mcdermott across 2 US Census years (1920 and 1930) in Providence, Rhode Island, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcdermott
Daughter · 1930 · age 22 · b. ~1908 · Rhode Island
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Sibling
Thomas Mcdermott
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Mcdermott
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcdermott
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcdermott
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcdermott
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mcdermott
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Mcdermott
Sibling · 1930 · age 19
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 — Providence, Rhode Island
Open full size
1930 US Federal Census — Providence, Rhode Island
Page Contents
49 people indexed on this census page (ia:1930:15thcensus2183unit:0317)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry H. Burgess | 27 | Head | Mail Carrier | Rhode Island |
| 2 | Jessie P. Burgess | 25 | Wife-H | Waitress | Rhode Island |
| 3 | George P. Burgess | 3 | Son | — | Rhode Island |
| 4 | Benjamin F. Brown | 84 | Head | — | Connecticut |
| 5 | Ellen J. Brown | 60 | Wife-H | — | England |
| 6 | Everett Chase | 53 | Head | Mechanic | Massachusetts |
| 7 | Sarah H. Chase | 42 | Wife-H | — | Massachusetts |
| 8 | Lucy H. Chase | 7 | Daughter | — | Rhode Island |
| 9 | James H. Mcguinn | 80 | Head | — | Rhode Island |
| 10 | Adam Thompson | 74 | Head | — | Scotland |
| 11 | Mary E. Thompson | 48 | Daughter | Inspector | Scotland |
| 12 | Sarah A. Thompson | 45 | Daughter | Tabulator | Rhode Island |
| 13 | George Paul | 38 | Daughter | Operator | Maine |
| 14 | Mildred A. Paul | 11 | Grand-daughter | — | Rhode Island |
| 15 | Beverly Paul | 10 | Grand-daughter | — | Rhode Island |
| 16 | Robert Crone | 55 | Cousin | Dyer | Scotland |
| 17 | Henry P. Stanley | 39 | Head | Painter | Rhode Island |
| 18 | Mary A. Stanley | 31 | Wife-H | — | Massachusetts |
| 19 | Henry P. Jr. Stanley | 1 | Son | — | Rhode Island |
| 20 | Mitchell Roberts | 31 | Head | Tailor | Rhode Island |
| 21 | Lucy Roberts | 28 | Wife-H | — | Italy |
| 22 | Eugene Roberts | 6 | Son | — | Rhode Island |
| 23 | Beverly Roberts | 2 | Daughter | — | Rhode Island |
| 24 | Antoinetta Roberts | 53 | Head | — | Italy |
| 25 | Grace Roberts | 28 | Daughter | Tailor | Rhode Island |
| 26 | Elvira Roberts | 19 | Daughter | Clerk | Rhode Island |
| 27 | Julia Roberts | 15 | Daughter | — | Rhode Island |
| 28 | Felix Bevant | 76 | Head | Percher | Canada-French |
| 29 | Jane Bevant | 74 | Wife-H | — | Canada-French |
| 30 | Daniel B. Mcdermott | 53 | Head | Porter | Massachusetts |
| 31 | Agnes S. Mcdermott | 46 | Wife-H | — | Rhode Island |
| 32 | Mary E. Mcdermott THIS PERSON | 22 | Daughter | Stenographer | Rhode Island |
| 33 | Margaret T. Mcdermott | 21 | Daughter | Operator | Rhode Island |
| 34 | Walter E. Mcdermott | 19 | Son | Driver | Rhode Island |
| 35 | Catherine J. Mcdermott | 17 | Daughter | Helper | Rhode Island |
| 36 | Thomas F. Mcdermott | 15 | Son | — | Rhode Island |
| 37 | Mildred A. Mcdermott | 12 | Daughter | — | Rhode Island |
| 38 | Alice B. Mcdermott | 10 | Daughter | — | Rhode Island |
| 39 | Helen V. Mcdermott | 7 | Daughter | — | Rhode Island |
| 40 | Thomas Brady | 50 | Brother-in-law | Waiter | Rhode Island |
| 41 | John Carmody | 35 | Head | Salesman | Rhode Island |
| 42 | Martha A. Carmody | 33 | Wife-H | — | Rhode Island |
| 43 | Donald E. Carmody | 7 | Son | — | Rhode Island |
| 44 | Elaine Carmody | 4 | Daughter | — | Rhode Island |
| 45 | Richard Carmody | 70 | Head | — | Irish Free State |
| 46 | Annie E. Carmody | 66 | Wife-H | — | New York |
| 47 | Helena Curley | 49 | Head | Drawer-In | Rhode Island |
| 48 | Sylvia E. Curley | 21 | Daughter | Clerk | Rhode Island |
| 49 | Edna R. Curley | 17 | Daughter | File Worker | Rhode Island |
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)