CS
Charles Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Charles Sullivan across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Patrick & Charles — first a son (b.~1902), then head of a 5-person household.
Age 28
b. ~1902
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Sullivan |
| Given Name | Charles S Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Lawyer |
| Industry | Gen Practice |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Lawyer |
| Township / Ward | Boston City |
| Est. Birth Year | ~1902 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Ruth Sullivan | Daughter | — | 23 | ~1907 |
| Charles Sullivan | Head | — | 56 | ~1874 |
| Helen Brien | Other | — | 50 | ~1880 |
| Charles Sullivan | Son | — | 28 | ~1902 |
| Mary Sullivan | Spouse | — | 48 | ~1882 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Can. English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Son, age 17
Suffolk, Massachusetts · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles J Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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
Suffolk, Massachusetts
Son, age 28
Suffolk, Massachusetts · implied b. ~1902 — 5 household members
| Surname | Sullivan |
| Given Name | Charles S Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Lawyer |
| Industry | Gen Practice |
| 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 Charles Sullivan across 3 US Census years (1910, 1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father Patrick Sullivan (~0.92 confidence) and father Charles Sullivan (~0.92 confidence) and father Charles Sullivan (~0.92 confidence) and mother Elizabeth Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Sullivan
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Charles Sullivan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Charles Sullivan
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Sullivan
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Sullivan
Son · 1930 · age 28 · b. ~1902 · Massachusetts
★ You are viewing this record
Sibling
Ruth Sullivan
Sibling · 1930 · age 23
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel942:1088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Mullen | 24 | Daughter (Head) | — | Massachusetts |
| 2 | John A O'Brien | 45 | Head | Printer | Massachusetts |
| 3 | Maria A O'Brien | 44 | Wife | — | Massachusetts |
| 4 | John E O'Brien | 24 | Son | Clerk | Massachusetts |
| 5 | Ruth M O'Brien | 15 | Daughter | — | Massachusetts |
| 6 | Ivor E O'Brien | 13 | Daughter | — | Massachusetts |
| 7 | Michael J Leonard | 42 | Boarder | — | Massachusetts |
| 8 | Francis Murray | 60 | Head | — | Massachusetts |
| 9 | Alice Murray | 52 | Sister | — | Massachusetts |
| 10 | Axel Anderson | 54 | Head | Blacksmith | Massachusetts |
| 11 | Annie Anderson | 48 | Wife | — | Sweden |
| 12 | Evelyn Anderson | 22 | Daughter | Sales Head | Massachusetts |
| 13 | Gilbert Anderson | 19 | Son | — | Massachusetts |
| 14 | Laura Anderson | 16 | Daughter | — | Massachusetts |
| 15 | Beatrice Anderson | 12 | Daughter | — | Massachusetts |
| 16 | Edith Anderson | 10 | Daughter | — | Massachusetts |
| 17 | Elaine Anderson | 3 | Daughter | — | Massachusetts |
| 18 | Francis H Anderson | 26 | Nephew | Chauffeur | Massachusetts |
| 19 | Margaret Murphy | 50 | Head | — | Massachusetts |
| 20 | Margaret Murphy | 20 | Daughter | Saleslady | Massachusetts |
| 21 | Gertrude Murphy | 18 | Daughter | Operator | Massachusetts |
| 22 | Eugene Murphy | 16 | Son | Laborer | Massachusetts |
| 23 | Cornelius Murphy | 12 | Son | — | Massachusetts |
| 24 | Mary Sullivan | 33 | Head | — | Irish Free State |
| 25 | Mary Sullivan | 7 | Daughter | — | Massachusetts |
| 26 | Cornelius Sullivan | 5 | Son | — | Massachusetts |
| 27 | John J Sullivan | 40 | Brother | Laborer | Irish Free State |
| 28 | Michael Crehan | 63 | Head | Watchman | Irish Free State |
| 29 | Margaret Crehan | 50 | Wife | — | Irish Free State |
| 30 | Matthew Crehan | 24 | Son | — | Massachusetts |
| 31 | Margaret Crehan | 23 | Daughter | Stenographer | Massachusetts |
| 32 | Linda Crehan | 19 | Daughter | Biller | Massachusetts |
| 33 | Helen Crehan | 18 | Daughter | — | Massachusetts |
| 34 | Catherine Crehan | 16 | Daughter | — | Massachusetts |
| 35 | Rita Crehan | 14 | Daughter | — | Massachusetts |
| 36 | Ruth Crehan | 10 | Daughter | — | Massachusetts |
| 37 | Andrew Mcgoldrick | 55 | Boarder | Laborer | Irish Free State |
| 38 | Thomas J Coughlan | 57 | Head | Clerk | Irish Free State |
| 39 | Anne J Coughlan | 46 | Wife | — | Irish Free State |
| 40 | James W Coughlan | 30 | Son | Chauffeur | Massachusetts |
| 41 | Thomas J Coughlan | 28 | Son | Clerk | Massachusetts |
| 42 | Albert Mccoolin | 48 | Roomer | Brakeman | Canada English |
| 43 | James K Garey | 60 | Roomer | Switchman | Vermont |
| 44 | Charles S Sullivan | 56 | Head | Judge | Massachusetts |
| 45 | Mary J Sullivan | 48 | Wife | — | Massachusetts |
| 46 | Charles S Jr Sullivan THIS PERSON | 28 | Son | Lawyer | Massachusetts |
| 47 | Ruth M Sullivan | 23 | Daughter | Clerk | Massachusetts |
| 48 | Helen R Brien | 50 | Cousin | Clerk | Massachusetts |
| 49 | George H Phinney | 40 | Head | Fireman | Massachusetts |
| 50 | Mary K Phinney | 37 | Wife | — | Massachusetts |
Pedigree Summary
Charles + 1 sibling
Gen 1 · 6 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)