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William Mcdermott — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Providence, Rhode Island
Our Model Tree links this William Mcdermott across the 1920 and 1930 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 9-person household.
Age 19
b. ~1911
Male
Son
Born: Rhode Island
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Providence, Rhode Island |
| Surname | McDermott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Apprentice |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Apprentice |
| Township / Ward | Providence 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mcdermott | Son | — | 19 | ~1911 |
| Mary Mcdermott | Daughter | — | 26 | ~1904 |
| John Mcdermott | Head | — | 55 | ~1875 |
| John Mcdermott | Son | — | 21 | ~1909 |
| Agnes Mcdermott | Daughter | — | 23 | ~1907 |
| Clarissa Mcdermott | Other | — | 70 | ~1860 |
| Thomas Mcdermott | Son | — | 16 | ~1914 |
| Elizabeth Mcdermott | Other | — | 76 | ~1854 |
| Anna Mcdermott | Daughter | — | 14 | ~1916 |
Census Appearances
1920
Providence, Rhode …
Son, age 9
Providence, Rhode Island · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | England |
| Occupation | none |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Son, age 19
Providence, Rhode Island · implied b. ~1911 — 9 household members
| Surname | McDermott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | England |
| Occupation | Apprentice |
| Industry | Newspaper |
| 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 William Mcdermott across 2 US Census years (1920 and 1930) in Providence, Rhode Island, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcdermott
Son · 1930 · age 19 · b. ~1911 · Rhode Island
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Sibling
Agnes Mcdermott
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcdermott
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcdermott
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mcdermott
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcdermott
Sibling · 1930 · age 26
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
45 people indexed on this census page (ia:1930:15thcensus2183unit:0524)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Susan Ring | 48 | Wife-H | — | Rhode Island |
| 2 | Thomas Ring | 18 | Son | Bobbin Boy | Rhode Island |
| 3 | Anna Ring | 15 | Daughter | — | Rhode Island |
| 4 | Manuel Leaf | 33 | Head | Laborer | Rhode Island |
| 5 | Mae Leaf | 30 | Wife-H | — | Rhode Island |
| 6 | William Leaf | 10 | Son | — | Rhode Island |
| 7 | Joseph Leaf | 7 | Son | — | Rhode Island |
| 8 | Merriwell Leaf | 3 | Son | — | Rhode Island |
| 9 | Ellen Solloway | 76 | Mother-in-law | — | England |
| 10 | John Daconte | 31 | Head | Laborer | Italy |
| 11 | Jennie Daconte | 21 | Wife-H | — | Italy |
| 12 | John Mcdermott | 55 | Head | Painter | Rhode Island |
| 13 | Mary Mcdermott | 26 | Daughter | — | Rhode Island |
| 14 | Agnes Mcdermott | 23 | Daughter | Weaver | Rhode Island |
| 15 | John Mcdermott | 21 | Son | — | Rhode Island |
| 16 | William Mcdermott THIS PERSON | 19 | Son | Apprentice | Rhode Island |
| 17 | Thomas Mcdermott | 16 | Son | Machine Hand | Rhode Island |
| 18 | Anna Mcdermott | 14 | Daughter | — | Rhode Island |
| 19 | Elizabeth Mcdermott | 76 | Sister-in-law | — | Rhode Island |
| 20 | Clarissa Mcdermott | 70 | Sister-in-law | — | Rhode Island |
| 21 | John Barlington | 53 | Head | — | England |
| 22 | Walter Hudson | 40 | Head | Proprietor | England |
| 23 | Elizabeth Hudson | 40 | Wife-H | — | England |
| 24 | Thomas J. Cardiff | 54 | Head | Cloth Inspector | Pennsylvania |
| 25 | Helen J. Cardiff | 43 | Wife-H | — | Rhode Island |
| 26 | Sarah Nelson | 37 | Sister-in-law | Matron | Rhode Island |
| 27 | Dorothy Field | 15 | Niece | — | Massachusetts |
| 28 | Attilio Loffredo | 36 | Head | Laborer | Italy |
| 29 | Mary Loffredo | 41 | Wife-H | — | Italy |
| 30 | Armando Loffredo | 10 | Son | — | Rhode Island |
| 31 | Michael Loffredo | 12 | Son | — | Rhode Island |
| 32 | Umberto Loffredo | 3 | Son | — | Rhode Island |
| 33 | Emilda Brouly | 45 | Head | Sewer | Canada-French |
| 34 | Bertha Brouly | 24 | Daughter | Inspector | Canada-French |
| 35 | Rowland Brouly | 21 | Son | Shipping Clerk | Canada-French |
| 36 | Lucienne Brouly | 18 | Daughter | — | Canada-French |
| 37 | Jean C. Brouly | 15 | Son | — | Canada-French |
| 38 | Peter Bormley | 40 | Head | Chauffeur | Rhode Island |
| 39 | Celia Bormley | 41 | Wife-H | — | Irish Free State |
| 40 | Ernest Hitchcock | 50 | Head | Repairer | England |
| 41 | Ethel A. Hitchcock | 17 | Daughter | Clerk | Rhode Island |
| 42 | Martha Mcelroy | 48 | Boarder | Teamster | Rhode Island |
| 43 | Philip Jr. Super | 20 | Head | Laborer | Rhode Island |
| 44 | Mary Super | 21 | Wife-H | — | Rhode Island |
| 45 | Philip Super | 0 | Son | — | 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)