RS
Robert Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Norfolk, Massachusetts
Our Model Tree links this Robert Sullivan across the 1910, 1920 and 1930 US Censuses in Norfolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Thomas & Nellie — first a son (b.~1911), then head of a 5-person household.
Age 19
b. ~1911
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Norfolk, Massachusetts |
| Surname | Sullivan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Braintree Town Part Of |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Philip Sullivan | Head | — | 54 | ~1876 |
| Thomas Sullivan | Son | — | 14 | ~1916 |
| Richard Sullivan | Son | — | 22 | ~1908 |
| Robert Sullivan | Son | — | 19 | ~1911 |
| Rose Sullivan | Spouse | — | 50 | ~1880 |
Census Appearances
1910
Norfolk, Massachusetts
Son, age
Norfolk, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Norfolk, Massachusetts
Son, age 10
Norfolk, Massachusetts · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Norfolk, Massachusetts
Son, age 19
Norfolk, Massachusetts · implied b. ~1911 — 5 household members
| Surname | Sullivan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Robert Sullivan across 3 US Census years (1910, 1920 and 1930) in Norfolk, Massachusetts, using XGBoost record linkage. Identified parents: father Thomas Sullivan (~0.92 confidence) and mother Nellie Sullivan (~0.92 confidence) and father Philip Sullivan (~0.92 confidence) and mother Rose Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Sullivan
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Philip Sullivan
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Rose Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Sullivan
Son · 1930 · age 19 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
Richard Sullivan
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Sullivan
Sibling · 1930 · age 14
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 — Norfolk, Massachusetts
Open full size
1930 US Federal Census — Norfolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel932:1033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Shane | 68 | Head | None | Massachusetts |
| 2 | Estella Hill | 31 | Daughter | None | Massachusetts |
| 3 | John Hill | 32 | Son-in-law | Chauffeur | Massachusetts |
| 4 | John Jr. Hill | 1 | Grand-son | None | Massachusetts |
| 5 | John Masters | 50 | Head | Clerk | Massachusetts |
| 6 | Catherine Masters | 45 | Wife | None | Massachusetts |
| 7 | Mary Masters | 11 | Daughter | None | Massachusetts |
| 8 | Dominic Gormack | 59 | Head | Carpenter | Canada English |
| 9 | Abbie Gormack | 53 | Wife | None | Maine |
| 10 | Dorothy Gormack | 30 | Adopted daughter | Bookkeeper | Maine |
| 11 | Sarah Slough | 84 | Mother-in-law | None | Maine |
| 12 | John H. Debesse | 45 | Head | Stitcher | Massachusetts |
| 13 | Catherine Debesse | 45 | Wife | None | Massachusetts |
| 14 | John Jr. Debesse | 17 | Son | None | Massachusetts |
| 15 | Hazel Debesse | 12 | Daughter | None | Massachusetts |
| 16 | Elizabeth Debesse | 6 | Daughter | None | Massachusetts |
| 17 | Ellen Santry | 62 | Head | None | Irish Free State |
| 18 | James J. Santry | 35 | Son | Washer | Massachusetts |
| 19 | Alice J. Santry | 31 | Daughter | None | Massachusetts |
| 20 | Maria Santry | 29 | Daughter | Stitcher | Massachusetts |
| 21 | Louise Santry | 26 | Daughter | Stitcher | Massachusetts |
| 22 | James Gallagher | 33 | Head | Engineer | Massachusetts |
| 23 | Elizabeth Gallagher | 33 | Wife | None | Canada English |
| 24 | Philip A. Sullivan | 54 | Head | Lawyer | Massachusetts |
| 25 | Rose M. Sullivan | 50 | Wife | None | Massachusetts |
| 26 | Richard Sullivan | 22 | Son | Clerk | Massachusetts |
| 27 | Robert Sullivan THIS PERSON | 19 | Son | Clerk | Massachusetts |
| 28 | Thomas Sullivan | 14 | Son | None | Massachusetts |
| 29 | John S. Anderson | 56 | Head | Proprietor | Sweden |
| 30 | Ellen Anderson | 56 | Wife | None | Sweden |
| 31 | Florence Anderson | 30 | Daughter | Stenographer | Massachusetts |
| 32 | Viola Anderson | 25 | Daughter | Teacher | Massachusetts |
| 33 | Beatrice Anderson | 20 | Daughter | None | Massachusetts |
| 34 | Isaac Wuke | 77 | Head | Proprietor | England |
| 35 | Lillian Adeline Wuke | 47 | Niece | Clerk | Massachusetts |
| 36 | Dorothy Wuke | 17 | Grand niece | None | Massachusetts |
| 37 | Eugene Lasage | 49 | Head | Meat Cutter | Massachusetts |
| 38 | Ada Lasage | 47 | Wife | None | Massachusetts |
| 39 | George Lasage | 22 | Son | None | Massachusetts |
| 40 | Gladys Lasage | 17 | Daughter | None | Massachusetts |
| 41 | Eugene Jr. Lasage | 9 | Son | None | Massachusetts |
| 42 | Margaret Hanlon | 17 | Niece | None | Massachusetts |
| 43 | George Hanlon | 12 | Nephew | None | Massachusetts |
| 44 | Thomas Sullivan | 77 | Head | None | Massachusetts |
| 45 | Mary Sullivan | 70 | Wife | None | Massachusetts |
| 46 | Catherine Sullivan | 64 | Sister-in-law | None | Massachusetts |
| 47 | John Boudreau | 31 | Head | Foreman | Massachusetts |
| 48 | Mary Boudreau | 35 | Wife | None | Massachusetts |
| 49 | William Phelan | 66 | Uncle | None | Massachusetts |
| 50 | Joseph M. Magaldi | 27 | Head | Manager | Massachusetts |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 4 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)