MC
Mary Cahill — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Providence, Rhode Island
Our Model Tree links this Mary Cahill across the 1920 and 1930 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Female
Daughter
Born: Rhode Island
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Providence, Rhode Island |
| Surname | Cahill |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Burrillville Town |
| Est. Birth Year | ~1918 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| James Cahill | Head | — | 40 | ~1890 |
| Dorothy Cahill | Daughter | — | 5 | ~1925 |
| Veronica Cahill | Daughter | — | 14 | ~1916 |
| Eileen Cahill | Daughter | — | 10 | ~1920 |
| Mary Cahill | Daughter | — | 12 | ~1918 |
| Theresa Cahill | Daughter | — | ~1930 | |
| Margaret Cahill | Daughter | — | 8 | ~1922 |
| Robert Cahill | Son | — | 3 | ~1927 |
| Stella Cahill | Other | — | 39 | ~1891 |
Census Appearances
1920
Providence, Rhode …
Daughter, age 2
Providence, Rhode Island · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cahill |
| Given Name | Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | New York |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Daughter, age 12
Providence, Rhode Island · implied b. ~1918 — 9 household members
| Surname | Cahill |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | New York |
| 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 Cahill across 2 US Census years (1920 and 1930) in Providence, Rhode Island, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cahill
Daughter · 1930 · age 12 · b. ~1918 · Rhode Island
★ You are viewing this record
Sibling
Dorothy Cahill
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Cahill
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Cahill
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Cahill
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cahill
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cahill
Sibling · 1930 · age 3
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
50 people indexed on this census page (ia:1930:15thcensus2170unit:0550)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edna P Salandstall | 41 | Wife-H | — | Rhode Island |
| 52 | Glenn H Salandstall | 19 | Son | Clerical Work | Rhode Island |
| 53 | Irma E Salandstall | 17 | Daughter | — | Rhode Island |
| 54 | Doris Salandstall | 14 | Daughter | — | Rhode Island |
| 55 | Charles W Salandstall | 10 | Son | — | Rhode Island |
| 56 | Dorothy M Salandstall | 7 | Daughter | — | Rhode Island |
| 57 | Charles W Goodnow | 40 | Head | Box Weaver | Vermont |
| 58 | Edna F Goodnow | 35 | Wife-H | — | Rhode Island |
| 59 | Dorothy A Goodnow | 13 | Daughter | — | Rhode Island |
| 60 | Albert G Goodnow | 3 | Son | — | Rhode Island |
| 61 | Eliza F Appleby | 69 | Mother-law | — | England |
| 62 | Thomas Harrison | 39 | Head | Machinist | England |
| 63 | Bessie Harrison | 37 | Wife-H | — | England |
| 64 | Marjorie Harrison | 3 | Daughter | — | Connecticut |
| 65 | Benjamin Baldwin | 66 | Head | — | England |
| 66 | Mary J Baldwin | 71 | Wife-H | — | Connecticut |
| 67 | Bessie Baldwin | 35 | Daughter | Sales Lady | Connecticut |
| 68 | Emily King | 41 | Daughter | — | Connecticut |
| 69 | Frederick King | 23 | G-Son | Percher | Rhode Island |
| 70 | Gladys E King | 16 | G-Daughter | Sewer | Rhode Island |
| 71 | Frederick Budron | 38 | Head | Post Master | Connecticut |
| 72 | Veronica Budron | 32 | Wife-H | — | Rhode Island |
| 73 | John Okoniewski | 40 | Head | Weaver | Poland |
| 74 | Mary E Okoniewski | 32 | Wife-H | — | Poland |
| 75 | Celeste Okoniewski | 13 | Daughter | — | New York |
| 76 | Rudolph Okoniewski | 12 | Son | — | New York |
| 77 | Edward Okoniewski | 10 | Son | — | Rhode Island |
| 78 | Rose A Okoniewski | 5 | Daughter | — | Rhode Island |
| 79 | Frederick Stours | 57 | Head | Barber | Canada French |
| 80 | James Cahill | 71 | Head | Laborer | Irish Free State |
| 81 | Julia E Cahill | 39 | Daughter | Twister | Rhode Island |
| 82 | James P Cahill | 40 | Head | Boss Weaver | Rhode Island |
| 83 | Stella M Cahill | 39 | Wife-H | — | New York |
| 84 | Veronica Cahill | 14 | Daughter | — | Rhode Island |
| 85 | Mary E Cahill THIS PERSON | 12 | Daughter | — | Rhode Island |
| 86 | Eileen D Cahill | 10 | Daughter | — | Rhode Island |
| 87 | Margaret M Cahill | 8 | Daughter | — | Rhode Island |
| 88 | Dorothy Cahill | 5 | Daughter | — | Rhode Island |
| 89 | Robert M Cahill | 3 | Son | — | Rhode Island |
| 90 | Theresa Cahill | 0 | Daughter | — | Rhode Island |
| 91 | Arthur R Desjarlais | 26 | Head | Comber | Rhode Island |
| 92 | Catherine Desjarlais | 26 | Wife-H | — | Massachusetts |
| 93 | Arthur R Jr Desjarlais | 2 | Son | — | Rhode Island |
| 94 | Evelyn J Desjarlais | 1 | Daughter | — | Rhode Island |
| 95 | Theodore J Desjarlais | 0 | Son | — | Rhode Island |
| 96 | Ernest J Paquin | 61 | Head | Harness Maker | Canada French |
| 97 | Elizabeth M Paquin | 56 | Wife-H | — | Rhode Island |
| 98 | Bertha B Paquin | 27 | Daughter | Speeder | Rhode Island |
| 99 | Emile R Paquin | 21 | Son | Laborer | Rhode Island |
| 100 | Henry H Paquin | 19 | Son | Laborer | 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)