DS
Dennis Sullivan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Providence, Rhode Island
Our Model Tree links this Dennis Sullivan across the 1900, 1910 and 1920 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed), with identified parents Denis & Dennis — first a son (b.~1899), then head of a 6-person household.
Age 21
b. ~1899
Male
Son
Born: Rhode Island
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Providence, Rhode Island |
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Stenographer |
| Township / Ward | Providence |
| 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Dennis | Age | Birth yr |
|---|---|---|---|---|
| Julia Sullivan | Daughter | — | 16 | ~1904 |
| Dennis Sullivan | Son | — | 21 | ~1899 |
| Catherine Sullivan | Daughter | — | 22 | ~1898 |
| John Sullivan | Head | — | 45 | ~1875 |
| Jeremiah Sullivan | Son | — | 12 | ~1908 |
| Timothy Sullivan | Son | — | 11 | ~1909 |
Census Appearances
1900
Newport, Rhode …
Son, age 1
Newport, Rhode Island · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Birth Month | Oct |
| Birth Year | 1899 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1910
Newport, Rhode …
Son, age 12
Newport, Rhode Island · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Denis Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1920
Providence, Rhode …
Son, age 21
Providence, Rhode Island · implied b. ~1899 — 6 household members
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Stenographer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Dennis Sullivan across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage. Identified parents: father Denis Sullivan (~0.92 confidence) and father Dennis Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Bridget Sullivan (~0.92 confidence) and mother Bridget Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Denis Sullivan
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Dennis Sullivan
b. ~1868
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Bridget Sullivan
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Bridget Sullivan
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dennis Sullivan
Son · 1920 · age 21 · b. ~1899 · Rhode Island
★ You are viewing this record
Sibling
Jeremiah Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Sullivan
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sullivan
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Sullivan
Sibling · 1920 · age 11
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
1920 US Federal Census — Providence, Rhode Island
Open full size
1920 US Federal Census — Providence, Rhode Island
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1676unit:0839)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dennis Sullivan | 45 | Head | Clerk | Rhode Island |
| 52 | Marguerite Sullivan | 45 | Wife | — | Rhode Island |
| 53 | Dennis Sullivan | 23 | Son | Student | Rhode Island |
| 54 | John Sullivan | 21 | Son | Student | Rhode Island |
| 55 | Hanna Sullivan | 19 | Daughter | Bookkeeper | Rhode Island |
| 56 | Marguerite Sullivan | 17 | Daughter | Student | Rhode Island |
| 57 | Julia Sullivan | 43 | Sister in law | — | Rhode Island |
| 58 | Francisco Rosa | 50 | Head | Manager | Azores |
| 59 | Maria Rosa | 48 | Wife | — | Azores |
| 60 | Marguerida Rosa | 23 | Daughter | Teacher | Rhode Island |
| 61 | Gertrude Rosa | 21 | Daughter | Clerk | Rhode Island |
| 62 | Manuel Rosa | 20 | Son | Printer | Rhode Island |
| 63 | Francisco Rosa | 18 | Son | — | Rhode Island |
| 64 | Joao Rosa | 14 | Son | — | Rhode Island |
| 65 | Guilherme Rosa | 11 | Son | — | Rhode Island |
| 66 | Salomica Rosa | 9 | Daughter | — | Rhode Island |
| 67 | Dennis Sullivan | 70 | Head | — | Ireland |
| 68 | Edward Sullivan | 27 | Son | Conductor | Rhode Island |
| 69 | Thomas F Girona | 29 | Son in law | Manager | Rhode Island |
| 70 | Hanna M Girona | 28 | Daughter | — | Rhode Island |
| 71 | Mary A Girona | 9 | Grand child | — | Rhode Island |
| 72 | John Sullivan | 45 | Head | Laborer | Ireland |
| 73 | Catherine Sullivan | 22 | Daughter | — | Rhode Island |
| 74 | Dennis Sullivan THIS PERSON | 21 | Son | Stenographer | Rhode Island |
| 75 | Julia Sullivan | 16 | Daughter | Stitcher | Rhode Island |
| 76 | Jeremiah Sullivan | 12 | Son | — | Rhode Island |
| 77 | Timothy Sullivan | 11 | Son | — | Rhode Island |
| 78 | James Shea | 30 | Head | Laborer | Ireland |
| 79 | Annie Shea | 6 | Daughter | — | Rhode Island |
| 80 | George Shea | 3 | Son | — | Rhode Island |
| 81 | William Ahearn | 54 | Head | Fireman | Ireland |
| 82 | Bridget Ahearn | 53 | Wife | — | Ireland |
| 83 | Mary Ahearn | 26 | Daughter | Bookkeeper | Rhode Island |
| 84 | Helen Ahearn | 22 | Daughter | Teacher | Rhode Island |
| 85 | Marguerite Ahearn | 20 | Daughter | Clerk | Rhode Island |
| 86 | Alice Ahearn | 18 | Daughter | — | Rhode Island |
| 87 | Agnes Ahearn | 16 | Daughter | — | Rhode Island |
| 88 | William Ahearn | 12 | Son | — | Rhode Island |
| 89 | Samuel P White | 30 | Head | Bench Hand | Azores |
| 90 | Angelina White | 25 | Wife | — | Brazil |
| 91 | Samuel White | 4 | Son | — | Rhode Island |
| 92 | Angelina White | 2 | Daughter | — | Rhode Island |
| 93 | Mary White | 1 | Daughter | — | Rhode Island |
| 94 | Arthur Dion | 35 | Head | Chemist | Canada |
| 95 | Mary Dion | 33 | Wife | — | Canada |
| 96 | Arthur Dion | 12 | Son | — | Canada |
| 97 | Alice Dion | 10 | Daughter | — | Canada |
| 98 | Ernest Dion | 8 | Son | — | Canada |
| 99 | Leo Dion | 5 | Son | — | Rhode Island |
| 100 | Edward Dion | 2 | Son | — | Rhode Island |
Related Census Records
Pedigree Summary
Dennis + 4 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)