AS
Agnes Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Agnes Sullivan across the 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1904), then head of a 9-person household.
Age 16
b. ~1904
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| 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 | Canada |
| Additional Details | |
| Occupation | Box Maker |
| Industry | Paper Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Box Maker |
| Township / Ward | Boston City |
| Est. Birth Year | ~1904 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Agnes | Age | Birth yr |
|---|---|---|---|---|
| Jeremiah Sullivan | Head | — | 33 | ~1887 |
| Mary Sullivan | Daughter | — | 18 | ~1902 |
| John Sullivan | Son | — | 12 | ~1908 |
| Catherine Sullivan | Daughter | — | 7 | ~1913 |
| Edward Sullivan | Son | — | 5 | ~1915 |
| Johanna Sullivan | Spouse | — | 34 | ~1886 |
| Joseph Sullivan | Son | — | 9 | ~1911 |
| Agnes Sullivan | Daughter | — | 16 | ~1904 |
| Josephine Sullivan | Daughter | — | 20 | ~1900 |
Census Appearances
1910
Suffolk, Massachusetts
Daughter, age 5
Suffolk, Massachusetts · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Daughter, age 16
Suffolk, Massachusetts · implied b. ~1904 — 9 household members
| 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 | Canada |
| Occupation | Box Maker |
| Industry | Paper Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 2 US Census years (1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Agnes Sullivan
Daughter · 1920 · age 16 · b. ~1904 · Massachusetts
★ You are viewing this record
Sibling
Mary Sullivan
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Sullivan
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Sullivan
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Sullivan
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sullivan
Sibling · 1920 · age 7
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
1920 US Federal Census — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu731unit:0424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jeremiah W Sullivan | 33 | Head | Laborer | Ireland |
| 2 | Johanna Sullivan | 34 | Wife | — | Canada |
| 3 | Josephine Sullivan | 20 | Daughter | Stenographer | Massachusetts |
| 4 | Mary Sullivan | 18 | Daughter | Perforator | Massachusetts |
| 5 | Agnes Sullivan THIS PERSON | 16 | Daughter | Box Maker | Massachusetts |
| 6 | John Sullivan | 12 | Son | — | Massachusetts |
| 7 | Joseph Sullivan | 9 | Son | — | Massachusetts |
| 8 | Catherine Sullivan | 7 | Daughter | — | Massachusetts |
| 9 | Edward Sullivan | 5 | Son | — | Massachusetts |
| 10 | Cornelius Sullivan | 33 | Head | Teamster | Ireland |
| 11 | Maggie Sullivan | 33 | Wife | — | Ireland |
| 12 | John E Sullivan | 18 | Son | — | Massachusetts |
| 13 | Mary Sullivan | 15 | Daughter | Stenographer | Massachusetts |
| 14 | Daniel Sullivan | 13 | Son | — | Massachusetts |
| 15 | Margaret Sullivan | 7 | Daughter | — | Massachusetts |
| 16 | Cornelius Sullivan | 3 | Son | — | Massachusetts |
| 17 | Patrick Reardon | 46 | Head | Laborer | Ireland |
| 18 | Mary Reardon | 44 | Wife | — | Ireland |
| 19 | Mary Reardon | 24 | Daughter | Machine Operator | Massachusetts |
| 20 | William Reardon | 17 | Son | Cabinet Maker | Massachusetts |
| 21 | George Reardon | 15 | Son | Errand Boy | Massachusetts |
| 22 | Edward Reardon | 12 | Son | — | Massachusetts |
| 23 | Helen Reardon | 9 | Daughter | — | Massachusetts |
| 24 | Catherine Reardon | 7 | Daughter | — | Massachusetts |
| 25 | John Reardon | 5 | Son | — | Massachusetts |
| 26 | James Thomas | 65 | Head | Groom | Canada |
| 27 | William Thomas | 14 | Grand-Son | — | Canada |
| 28 | Jeremiah Costello | 50 | Head | Laborer | Ireland |
| 29 | Nora Costello | 45 | Wife | — | Ireland |
| 30 | Mary L Costello | 20 | Daughter | Book-Keeper | Massachusetts |
| 31 | Jeremiah F Costello | 18 | Son | Teamster | Massachusetts |
| 32 | Helen C Costello | 16 | Daughter | Presser | Massachusetts |
| 33 | Irene C Costello | 11 | Daughter | — | Massachusetts |
| 34 | James M Gifford | 12 | Boarder | — | Massachusetts |
| 35 | Margaret Linehan | 38 | Head | Cleaner | Ireland |
| 36 | John Linehan | 13 | Son | Teamster | Massachusetts |
| 37 | Thomas Linehan | 17 | Son | Teamster | Massachusetts |
| 38 | William Linehan | 14 | Son | Messenger | Massachusetts |
| 39 | James Linehan | 11 | Son | — | Massachusetts |
| 40 | Fred Bohanan | 26 | Head | Auto Painter | Turkey |
| 41 | Dora Bohanan | 25 | Wife | — | Turkey |
| 42 | Virginia Bohanan | 3 | Daughter | — | Massachusetts |
| 43 | Robert Bohanan | 2 | Son | — | Massachusetts |
| 44 | John Hogan | 36 | Head | Bill-Poster | Pennsylvania |
| 45 | Patrick Walsh | 76 | Head | Hostler | Ireland |
| 46 | Annie Walsh | 65 | Wife | — | Ireland |
| 47 | Annie M Travers | 31 | Head | Operator | Massachusetts |
| 48 | Arthur Travers | 6 | Son | — | Massachusetts |
| 49 | Catherine Hennessy | 39 | Boarder | Masseuse | Massachusetts |
| 50 | John Bertoli | 30 | Head | Butcher | Italy |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)