AS
Agnes Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Agnes Sullivan across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 9-person household.
Age 10
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Richard Sullivan | Son | — | 7 | ~1913 |
| Margaret Sullivan | Daughter | — | 8 | ~1912 |
| Anna Sullivan | Daughter | — | 12 | ~1908 |
| David Sullivan | Head | — | 40 | ~1880 |
| Edward Sullivan | Son | — | 4 | ~1916 |
| Agnes Sullivan | Daughter | — | 10 | ~1910 |
| Margaret Sullivan | Spouse | — | 40 | ~1880 |
| Russell Sullivan | Son | — | 5 | ~1915 |
| Theresa Sullivan | Daughter | — | 12 | ~1908 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age
Middlesex, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 10
Middlesex, Massachusetts · implied b. ~1910 — 9 household members
| Surname | Sullivan |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| 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 |
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 Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Agnes Sullivan
Daughter · 1920 · age 10 · b. ~1910 · Massachusetts
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Sibling
Richard Sullivan
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Sullivan
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Sullivan
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Sullivan
Sibling · 1920 · age 12
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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu711unit:0669)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Mcgaray | 38 | Head | Fireman | Ireland |
| 2 | Annie Mcgaray | 37 | Wife | — | Ireland |
| 3 | Thomas Mcgaray | 7 | Son | — | Massachusetts |
| 4 | James Mcgaray | 6 | Son | — | Massachusetts |
| 5 | William Mcgaray | 3 | Son | — | Massachusetts |
| 6 | Katherine Mcgaray | 1 | Daughter | — | Massachusetts |
| 7 | Patrick Horan | 38 | Boarder | Laborer | Ireland |
| 8 | John Spencer | 43 | Head | Iron Molder | Massachusetts |
| 9 | Margaret Spencer | 43 | Wife | — | Massachusetts |
| 10 | John Spencer | 13 | Son | — | Massachusetts |
| 11 | Margaret Spencer | 10 | Daughter | — | Massachusetts |
| 12 | Katherine Laughlin | 68 | Mother in law | Operator | New York |
| 13 | Annie Hird | 62 | Head | — | New Hampshire |
| 14 | Jenny E. Hird | 29 | Daughter | Printer | Maine |
| 15 | Isabel L. Hird | 24 | Daughter | Box Maker | Maine |
| 16 | James Star | 29 | Boarder | Printer | Massachusetts |
| 17 | Webster Wilcox | 60 | Head | Carpenter | Massachusetts |
| 18 | Mary E. Wilcox | 60 | Wife | — | Wisconsin |
| 19 | Thomas Wilcox | 28 | Son | Lineman | Massachusetts |
| 20 | Henry A. Wilcox | 25 | Son | Electrician | Massachusetts |
| 21 | Robert Wilcox | 22 | Son | Folder | Massachusetts |
| 22 | Margaret Wilcox | 18 | Daughter | Stenographer | Massachusetts |
| 23 | Loretta Wilcox | 16 | Daughter | — | Massachusetts |
| 24 | Mary Wilcox | 13 | Daughter | — | Massachusetts |
| 25 | John Decker | 24 | Son in law | Shoe Worker | Massachusetts |
| 26 | Mary Dauthery | 50 | Head | Weaver | Massachusetts |
| 27 | John P. Sheehan | 33 | Head | Lineman | Massachusetts |
| 28 | Esther Sheehan | 27 | Wife | — | Massachusetts |
| 29 | Mildred Sheehan | 5 | Daughter | — | Massachusetts |
| 30 | Mabel Sheehan | 1 | Daughter | — | Massachusetts |
| 31 | Catherine Campbell | 30 | Sister in law | Operator | Massachusetts |
| 32 | Edward Campbell | 0 | Nephew | — | Massachusetts |
| 33 | Edward Dunn | 46 | Head | Tool Maker | Ireland |
| 34 | Mary Dunn | 45 | Wife | — | New Hampshire |
| 35 | Edward Dunn | 8 | Son | — | Massachusetts |
| 36 | Elizabeth Corcoran | 69 | Head | — | Ireland |
| 37 | Patrick Corcoran | 22 | Son | Fireman | Massachusetts |
| 38 | Sarah Coach | 53 | Roomer | Operator | Massachusetts |
| 39 | Robert H. Turner | 51 | Head | — | England |
| 40 | Bridget Turner | 54 | Wife | Spinner | Ireland |
| 41 | David T. Sullivan | 40 | Head | Painter | Massachusetts |
| 42 | Margaret T. Sullivan | 40 | Wife | — | Massachusetts |
| 43 | Theresa Sullivan | 12 | Daughter | Twister | Massachusetts |
| 44 | Anna Sullivan | 12 | Daughter | — | Massachusetts |
| 45 | Agnes Sullivan THIS PERSON | 10 | Daughter | — | Massachusetts |
| 46 | Margaret Sullivan | 8 | Daughter | — | Massachusetts |
| 47 | Richard Sullivan | 7 | Son | — | Massachusetts |
| 48 | Russell Sullivan | 5 | Son | — | Massachusetts |
| 49 | Edward Sullivan | 4 | Son | — | Massachusetts |
| 50 | Sarah Mcnulty | 70 | Head | — | Ireland |
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)