ES
Ellen Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Ellen Sullivan across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 6-person household.
Age 64
b. ~1866
Female
Head
Born: Massachusetts
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Ellen M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1866 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| William Sullivan | Son | — | 39 | ~1891 |
| John Sullivan | Son | — | 41 | ~1889 |
| Helen Sullivan | Daughter | — | 37 | ~1893 |
| Ellen Sullivan | Head | — | 64 | ~1866 |
| Alice Sullivan | Daughter | — | 35 | ~1895 |
| Daniel Sullivan | Son | — | 43 | ~1887 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 53
Middlesex, Massachusetts · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Ellen M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Year of Immigration | 1865 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Massachusetts |
| Birth Country | United States |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Head, age 64
Middlesex, Massachusetts · implied b. ~1866 — 6 household members
| Surname | Sullivan |
| Given Name | Ellen M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| 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 Ellen Sullivan across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Ellen Sullivan
Head · 1930 · age 64 · b. ~1866 · Massachusetts
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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:massachusettscensus00reel916:1050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ellen M Sullivan THIS PERSON | 64 | Head | — | Massachusetts |
| 2 | Daniel M Sullivan | 43 | Son | Policeman | Massachusetts |
| 3 | John J Sullivan | 41 | Son | Clerk | Massachusetts |
| 4 | William J Sullivan | 39 | Son | Clerk | Massachusetts |
| 5 | Helen L Sullivan | 37 | Daughter | Clerk | Massachusetts |
| 6 | Alice M Sullivan | 35 | Daughter | — | Massachusetts |
| 7 | Thomas M Howard | 48 | Head | Merchant | Canada Eng |
| 8 | Annie M Howard | 48 | Wife | — | Canada Eng |
| 9 | John M Howard | 22 | Son | Clerk | Canada Eng |
| 10 | Catherine Howard | 19 | Daughter | — | Massachusetts |
| 11 | Thomas Howard | 17 | Son | — | Massachusetts |
| 12 | James Howard | 15 | Son | — | Massachusetts |
| 13 | Mary Howard | 13 | Daughter | — | Massachusetts |
| 14 | William Howard | 11 | Son | — | Massachusetts |
| 15 | Alice Howard | 9 | Daughter | — | Massachusetts |
| 16 | Robert Howard | 7 | Son | — | Massachusetts |
| 17 | Francis Howard | 5 | Son | — | Massachusetts |
| 18 | Margaret Howard | 3 | Daughter | — | Massachusetts |
| 19 | Pauline Howard | 1 | Daughter | — | Massachusetts |
| 20 | James Doherty | 54 | Head | Laborer | Massachusetts |
| 21 | Annie Doherty | 53 | Wife | — | Canada Eng |
| 22 | James Doherty | 28 | Son | Clerk | Massachusetts |
| 23 | John Doherty | 26 | Son | — | Massachusetts |
| 24 | Annie Doherty | 24 | Daughter | Stenographer | Massachusetts |
| 25 | William Doherty | 22 | Son | Clerk | Massachusetts |
| 26 | Francis Doherty | 19 | Son | — | Massachusetts |
| 27 | Catherine Doherty | 17 | Daughter | — | Massachusetts |
| 28 | Edward Doherty | 15 | Son | — | Massachusetts |
| 29 | Robert Doherty | 13 | Son | — | Massachusetts |
| 30 | Alice Doherty | 11 | Daughter | — | Massachusetts |
| 31 | Arthur B Doherty | 9 | Son | — | Massachusetts |
| 32 | Helen Doherty | 7 | Daughter | — | Massachusetts |
| 33 | Paul Doherty | 5 | Son | — | Massachusetts |
| 34 | Ruth Doherty | 3 | Daughter | — | Massachusetts |
| 35 | Joseph Doherty | 1 | Son | — | Massachusetts |
| 36 | Catherine Doherty | 56 | Sister | — | Massachusetts |
| 37 | Mary Doherty | 54 | Sister | — | Massachusetts |
| 38 | Ellen Doherty | 52 | Sister | — | Massachusetts |
| 39 | Alice Doherty | 50 | Sister | — | Massachusetts |
| 40 | Margaret Doherty | 48 | Sister | — | Massachusetts |
| 41 | Elizabeth Doherty | 46 | Sister | — | Massachusetts |
| 42 | Theresa Doherty | 44 | Sister | — | Massachusetts |
| 43 | Agnes Doherty | 42 | Sister | — | Massachusetts |
| 44 | Gertrude Doherty | 40 | Sister | — | Massachusetts |
| 45 | Rose Doherty | 38 | Sister | — | Massachusetts |
| 46 | Grace Doherty | 36 | Sister | — | Massachusetts |
| 47 | Florence Doherty | 34 | Sister | — | Massachusetts |
| 48 | Mildred Doherty | 32 | Sister | — | Massachusetts |
| 49 | Evelyn Doherty | 30 | Sister | — | Massachusetts |
| 50 | Lillian Doherty | 28 | Sister | — | Massachusetts |
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)