AS
Agnes Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Agnes Sullivan across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & John — first a daughter (b.~1899), then head of a 4-person household.
Age 31
b. ~1899
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Social Worker |
| Industry | Hospital |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Social Worker |
| Township / Ward | Boston City |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Agnes | Age | Birth yr |
|---|---|---|---|---|
| Agnes Sullivan | Daughter | — | 31 | ~1899 |
| John Sullivan | Head | — | 72 | ~1858 |
| John Sullivan | Son | — | 43 | ~1887 |
| Margaret Sullivan | Spouse | — | 70 | ~1860 |
Census Appearances
1910
Suffolk, Massachusetts
Daughter, age 11
Suffolk, Massachusetts · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Suffolk, Massachusetts
Daughter, age 21
Suffolk, Massachusetts · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 31
Suffolk, Massachusetts · implied b. ~1899 — 4 household members
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Social Worker |
| Industry | Hospital |
| 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 Agnes Sullivan across 3 US Census years (1910, 1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father Edward Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and father Michael Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence) and mother Nellie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Sullivan
b. ~1860
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Michael Sullivan
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Agnes Sullivan
Daughter · 1930 · age 31 · b. ~1899 · Massachusetts
★ You are viewing this record
Sibling
John Sullivan
Sibling · 1930 · age 43
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
35 people indexed on this census page (ia:1930:massachusettscensus00reel959:0174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Sullivan | 72 | Head | — | Massachusetts |
| 52 | Margaret Sullivan | 70 | Wife | — | Massachusetts |
| 53 | John J Sullivan | 43 | Son | — | Massachusetts |
| 54 | Agnes Sullivan THIS PERSON | 31 | Daughter | Social Worker | Massachusetts |
| 55 | John Sullivan | 63 | Head | Meat Cutter | Ireland |
| 56 | Isabella Sullivan | 54 | Wife | — | Massachusetts |
| 57 | Elizabeth M Sullivan | 43 | Daughter | School Teacher | Massachusetts |
| 58 | John Sullivan | 51 | Head | Carpenter | Massachusetts |
| 59 | Anna Sullivan | 50 | Wife | — | Massachusetts |
| 60 | John Sullivan | 26 | Son | — | Massachusetts |
| 61 | Michael Sullivan | 54 | Head | Maintenance | Ireland |
| 62 | Annie R Sullivan | 51 | Wife | — | Ireland |
| 63 | Leo Sullivan | 25 | Son | Salesman | Massachusetts |
| 64 | John Sullivan | 23 | Son | Operator | Massachusetts |
| 65 | Francis Sullivan | 20 | Daughter | Stenographer | Massachusetts |
| 66 | Loretta Sullivan | 16 | Daughter | — | Massachusetts |
| 67 | Michael Sullivan | 60 | Head | Watcher | Ireland |
| 68 | Mary H Sullivan | 60 | Wife | — | Ireland |
| 69 | Michael J Sullivan | 23 | Son | Truck Driver | Massachusetts |
| 70 | William Sullivan | 15 | Son | Salesman | Massachusetts |
| 71 | Patrick Sullivan | 27 | Head | Mechanic | Ireland |
| 72 | Margaret Sullivan | 23 | Wife | — | Ireland |
| 73 | Daniel Sullivan | 27 | Son | Painter | Massachusetts |
| 74 | Agnes Sullivan | 24 | Wife | — | Massachusetts |
| 75 | Daniel Jr Sullivan | 1 | Son | — | Massachusetts |
| 76 | Joseph Sullivan | 44 | Head | Longshoreman | Massachusetts |
| 77 | Mary Sullivan | 34 | Wife | — | Massachusetts |
| 78 | James O'Reilly | 58 | Head | — | Ireland |
| 79 | Catherine O'Reilly | 50 | Wife | — | Massachusetts |
| 80 | William O'Reilly | 27 | Son | Repairman | Massachusetts |
| 81 | Anna O'Reilly | 28 | Daughter | — | Massachusetts |
| 82 | William Jr O'Reilly | 2 | Grandson | — | Massachusetts |
| 83 | Mary O'Reilly | 21 | Daughter | Nurse | Ireland |
| 84 | Henry Leonard | 37 | Head | Accountant | Massachusetts |
| 85 | Alice Leonard | 32 | Wife | — | Massachusetts |
Pedigree Summary
Agnes + 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)