AS
Agnes Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Agnes Sullivan across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Eugene & James — first a daughter (b.~1903), then head of a 3-person household.
Age 27
b. ~1903
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1903 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Agnes | Age | Birth yr |
|---|---|---|---|---|
| Catherine Sullivan | Head | — | 62 | ~1868 |
| Adeline Sullivan | Daughter | — | 31 | ~1899 |
| Agnes Sullivan | Daughter | — | 27 | ~1903 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 6
Middlesex, Massachusetts · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 16
Middlesex, Massachusetts · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Folding cloth |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 27
Middlesex, Massachusetts · implied b. ~1903 — 3 household members
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Eugene Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Sullivan
b. ~1863
Source father
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Agnes Sullivan
Daughter · 1930 · age 27 · b. ~1903 · Massachusetts
★ You are viewing this record
Sibling
Adeline Sullivan
Sibling · 1930 · age 31
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:15thcensuspopula917unit:0611)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Quinn | 58 | Head | — | Massachusetts |
| 2 | Margaret Quinn | 58 | Wife | — | Massachusetts |
| 3 | Raymond Quinn | 23 | Son | — | Massachusetts |
| 4 | Edward Quinn | 21 | Son | — | Massachusetts |
| 5 | Julia Quinsler | 61 | Head | — | New York |
| 6 | Florence Quinsler | 38 | Daughter | Stenographer | Massachusetts |
| 7 | Catherine Quinsler | 36 | Daughter | Stenographer | Massachusetts |
| 8 | John Quinsler | 33 | Son | Salesman | Massachusetts |
| 9 | Mary Quinsler | 31 | Daughter | Stenographer | Massachusetts |
| 10 | Joseph Quinsler | 28 | Son | — | Massachusetts |
| 11 | Fred Babcock | 45 | Head | Machinist | Canada |
| 12 | Grace M. Babcock | 40 | Wife | — | Canada |
| 13 | Grace F. Babcock | 18 | Daughter | Clerk | Massachusetts |
| 14 | Margaret Babcock | 15 | Daughter | Clerk | Massachusetts |
| 15 | Philip R. Babcock | 11 | Son | — | Massachusetts |
| 16 | Arthur Graham | 38 | Head | Electrician | Massachusetts |
| 17 | Evelyn Graham | 32 | Wife | Stitcher | Massachusetts |
| 18 | Michael Maloney | 43 | Head | Truck Driver | Ireland |
| 19 | Mary Maloney | 41 | Wife | — | Ireland |
| 20 | Daniel Maloney | 15 | Son | Salesman | Massachusetts |
| 21 | Eugene Heaney | 65 | Roomer | — | Massachusetts |
| 22 | Catherine Sullivan | 62 | Head | Saleswoman | Ireland |
| 23 | Adeline Sullivan | 31 | Daughter | — | Massachusetts |
| 24 | Agnes Sullivan THIS PERSON | 27 | Daughter | — | Massachusetts |
| 25 | Robert J. Heaney | 37 | Head | Salesman | Massachusetts |
| 26 | Hannah Heaney | 36 | Wife | — | Massachusetts |
| 27 | James Heaney | 10 | Son | — | Massachusetts |
| 28 | Robert Heaney | 8 | Son | — | Massachusetts |
| 29 | Peter Crowley | 51 | Head | Stitcher | Ireland |
| 30 | Catherine Crowley | 43 | Wife | — | Ireland |
| 31 | John Crowley | 18 | Son | — | Massachusetts |
| 32 | Mary Crowley | 13 | Daughter | — | Massachusetts |
| 33 | Charles Larsen | 35 | Head | Painter | Massachusetts |
| 34 | Grace Larsen | 35 | Wife | Forewoman | Massachusetts |
| 35 | Frank Larsen | 9 | Son | — | Massachusetts |
| 36 | Joseph Larsen | 8 | Son | Chauffeur | Massachusetts |
| 37 | Paul Larsen | 6 | Son | — | Massachusetts |
| 38 | Thomas Larsen | 46 | Head | Carpenter | Massachusetts |
| 39 | Mary Larsen | 44 | Wife | — | Massachusetts |
| 40 | Harold Larsen | 17 | Son | Stenographer | Massachusetts |
| 41 | Paul Larsen | 15 | Son | — | Massachusetts |
| 42 | Robert Larsen | 12 | Son | Laborer | Massachusetts |
| 43 | James Larsen | 10 | Son | — | Massachusetts |
| 44 | John Larsen | 8 | Son | — | Massachusetts |
| 45 | Francis Larsen | 6 | Son | — | Massachusetts |
| 46 | Joseph Larsen | 4 | Son | — | Massachusetts |
| 47 | William Larsen | 2 | Son | — | Massachusetts |
| 48 | Peter Larsen | 1 | Son | — | Massachusetts |
| 49 | Arthur Larsen | 0 | Son | — | Massachusetts |
| 50 | Mary Larsen | 0 | Daughter | — | Massachusetts |
Related Census Records
Pedigree Summary
Agnes + 1 sibling
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 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)