DS
Dennis Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Providence, Rhode Island
Our Model Tree links this Dennis Sullivan across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed), with identified parents Dennis & Timothy — first a head (b.~1885), then head of a 6-person household.
Age 45
b. ~1885
Male
Head
Born: Rhode Island
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Providence, Rhode Island |
| Surname | Sullivan |
| Given Name | Dennis J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 29 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Manager |
| Industry | Grocery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Manager |
| Township / Ward | Providence City |
| Est. Birth Year | ~1885 |
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 1930 census.
| Name | Relation to head | Relative to Dennis | Age | Birth yr |
|---|---|---|---|---|
| Rose Sullivan | Daughter | — | 16 | ~1914 |
| Dennis Sullivan | Head | — | 45 | ~1885 |
| Mary Sullivan | Other | — | 48 | ~1882 |
| Frederick Sullivan | Son | — | 10 | ~1920 |
| Helen Sullivan | Daughter | — | 13 | ~1917 |
| Anna Sullivan | Daughter | — | 15 | ~1915 |
Census Appearances
1900
Providence, Rhode …
Son, age 15
Providence, Rhode Island · implied b. ~1885 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Birth Month | Feb |
| Birth Year | 1885 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1910
Providence, Rhode …
Son, age 25
Providence, Rhode Island · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Own Income |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1920
Providence, Rhode …
Head, age 35
Providence, Rhode Island · implied b. ~1885
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Sullivan |
| Given Name | Dennis J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Manager |
| Industry | Chain Store |
| 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 |
1930
Providence, Rhode …
Head, age 45
Providence, Rhode Island · implied b. ~1885 — 6 household members
| Surname | Sullivan |
| Given Name | Dennis J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 29 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Manager |
| Industry | Grocery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Other, age 55
Providence-County, Rhode Island · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Providence City |
| 1935 Residence (County) | Providence |
| Occupation | laborer |
| Industry | sewer project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| 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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Dennis Sullivan (~0.92 confidence) and father Timothy Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dennis Sullivan
b. ~1853
Source father
● Household
· direct · ~0.92
Father
Timothy Sullivan
b. ~1852
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1855
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dennis Sullivan
Head · 1930 · age 45 · b. ~1885 · Rhode Island
★ You are viewing this record
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:1930:15thcensus2176unit:0726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E Delaney | 50 | Wife-H | — | Rhode Island |
| 2 | Dennis J Sullivan THIS PERSON | 45 | Head | Manager | Rhode Island |
| 3 | Mary J Sullivan | 48 | Wife-H | — | Irish Free State |
| 4 | Rose Sullivan | 16 | Daughter | — | Rhode Island |
| 5 | Anna Sullivan | 15 | Daughter | — | Rhode Island |
| 6 | Helen Sullivan | 13 | Daughter | — | Rhode Island |
| 7 | Frederick Sullivan | 10 | Son | — | Rhode Island |
| 8 | Francis J Mccaffrey | 55 | Head | Labourer | Rhode Island |
| 9 | Mary E Mccaffrey | 44 | Wife-H | — | Irish Free State |
| 10 | Robert Mccaffrey | 7 | Adopted Son | — | Rhode Island |
| 11 | Patrick Riley | 26 | Nephew | Labourer | Irish Free State |
| 12 | Cornelius O'Neil | 26 | Brother-in-law | Labourer | Irish Free State |
| 13 | Matthew Mckeon | 19 | Lodger | Labourer | Irish Free State |
| 14 | Harold L Franklin | 31 | Head | Repairman | Rhode Island |
| 15 | Mary E Franklin | 31 | Wife-H | — | Portugal |
| 16 | Harold L Jr Franklin | 3 | Son | — | Rhode Island |
| 17 | William M Werbicki | 57 | Head | Janitor | Lithuania |
| 18 | Louise Werbicki | 49 | Wife-H | — | Lithuania |
| 19 | Joseph Werbicki | 21 | Son | Finisher | Rhode Island |
| 20 | Helen Werbicki | 20 | Daughter | Spinner | Rhode Island |
| 21 | Mary Werbicki | 17 | Daughter | — | Rhode Island |
| 22 | John Werbicki | 13 | Son | — | Rhode Island |
| 23 | Nellie Werbicki | 11 | Daughter | — | Rhode Island |
| 24 | Ralph Werbicki | 8 | Son | — | Rhode Island |
| 25 | Margaret Werbicki | 6 | Daughter | — | Rhode Island |
| 26 | James A Murray | 38 | Head | Com'L Salesman | Rhode Island |
| 27 | Ethel I Murray | 28 | Wife-H | — | Rhode Island |
| 28 | William J Murray | 9 | Son | — | Rhode Island |
| 29 | James J Jr Murray | 8 | Son | — | Rhode Island |
| 30 | Robert J Murray | 5 | Son | — | Rhode Island |
| 31 | George W Murray | 3 | Son | — | Rhode Island |
| 32 | Marjorie L Murray | 1 | Daughter | — | Rhode Island |
| 33 | Robert A Harper | 39 | Head | File Cutter | Rhode Island |
| 34 | Nellie F Harper | 33 | Wife-H | — | Irish Free State |
| 35 | Helen M Harper | 9 | Daughter | — | Rhode Island |
| 36 | Nancy M Harper | 8 | Daughter | — | Rhode Island |
| 37 | Dorothy J Harper | 6 | Daughter | — | Rhode Island |
| 38 | Patrick J Donovan | 59 | Lodger | Shipper | Irish Free State |
| 39 | Patrick J Mcgann | 47 | Head | Watchman | Irish Free State |
| 40 | Mary J Mcgann | 49 | Wife-H | — | Irish Free State |
| 41 | John J Mcgann | 5 | Son | — | Rhode Island |
| 42 | Thomas P Mcgann | 4 | Son | — | Rhode Island |
| 43 | Jeremiah J Donovan | 53 | Head | Helper | Rhode Island |
| 44 | Euphemia Donovan | 52 | Wife-H | — | Scotland |
| 45 | Jeremiah J Jr Donovan | 21 | Son | Labourer | Rhode Island |
| 46 | George R Donovan | 18 | Son | Apprentice | Rhode Island |
| 47 | Anna Donovan | 16 | Daughter | Doffer | Rhode Island |
| 48 | James J Sharp | 30 | Step-Son | Com'L Salesman | Rhode Island |
| 49 | Neilson Sutherland | 28 | Lodger | Janitor | Vermont |
| 50 | John J Kelly | 37 | Head | Weaver | Rhode Island |
Pedigree Summary
Dennis
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)