TS
Timothy Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Timothy Sullivan across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 7-person household.
Age 67
b. ~1863
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Timothy J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Undertaker |
| Industry | Professional |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Undertaker |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1863 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Timothy | Age | Birth yr |
|---|---|---|---|---|
| Ruth Sullivan | Daughter | — | 34 | ~1896 |
| Helen Sullivan | Daughter | — | 22 | ~1908 |
| Hannah Sullivan | Daughter | — | 26 | ~1904 |
| Timothy Sullivan | Head | — | 67 | ~1863 |
| Timothy Sullivan | Son | — | 22 | ~1908 |
| Leo Sullivan | Son | — | 30 | ~1900 |
| Mary Sullivan | Spouse | — | 67 | ~1863 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 58
Middlesex, Massachusetts · implied b. ~1862 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Timothy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | City |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Middlesex, Massachusetts
Head, age 67
Middlesex, Massachusetts · implied b. ~1863 — 7 household members
| Surname | Sullivan |
| Given Name | Timothy J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Undertaker |
| Industry | Professional |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Middlesex-County, Massachusetts
Other, age 78
Middlesex-County, Massachusetts · implied b. ~1862 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Timothy |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Westford Town |
| Naturalization Status | Naturalized |
| Class of Worker | No |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Timothy Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Timothy Sullivan
Head · 1930 · age 67 · b. ~1863 · 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:1930:15thcensuspopula917unit:0329)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gertrude | 20 | Daughter | — | Massachusetts |
| 52 | John J. Donovan | 45 | Head | Motorman | Massachusetts |
| 53 | Mary M. Donovan | 47 | Wife | — | Ireland |
| 54 | Paul Donovan | 22 | Son | Clerk | Massachusetts |
| 55 | John J. Donovan | 22 | Son | Chauffeur | Massachusetts |
| 56 | William J. Donovan | 21 | Son | Clerk | Massachusetts |
| 57 | Julia M. Donovan | 15 | Daughter | — | Massachusetts |
| 58 | James Hannon | 41 | Head | Laborer | Massachusetts |
| 59 | Catherine Hannon | 40 | Wife | — | Massachusetts |
| 60 | Evelyn Hannon | 18 | Daughter | Stenographer | Massachusetts |
| 61 | Walter Hannon | 12 | Son | — | Massachusetts |
| 62 | Ellen Bailey | 65 | Mother-in-law | — | Ireland |
| 63 | Florence Bailey | 29 | Sister-in-law | Clerk | Massachusetts |
| 64 | Simon O'Connell | 55 | Head | — | New York |
| 65 | Mary E. O'Connell | 52 | Wife | — | Massachusetts |
| 66 | Frederick J. O'Connell | 27 | Son | Teacher | Massachusetts |
| 67 | Mary L. O'Connell | 25 | Daughter | Stenographer | Massachusetts |
| 68 | Kathleen O'Connell | 21 | Daughter | Saleslady | Massachusetts |
| 69 | Leo A. Travers | 26 | Boarder | Teller | New Brunswick |
| 70 | James Wilson | 53 | Head | — | Massachusetts |
| 71 | Catherine Wilson | 50 | Wife | — | Massachusetts |
| 72 | James Wilson | 27 | Son | Policeman | Massachusetts |
| 73 | Ruth Wilson | 25 | Daughter | — | Massachusetts |
| 74 | Richard J. Wilson | 23 | Son | Collector | Massachusetts |
| 75 | Gertrude E. Wilson | 22 | Daughter | Clerk | Massachusetts |
| 76 | Arthur F. Wilson | 22 | Son | Developer | Massachusetts |
| 77 | Herbert A. Wilson | 21 | Son | Chauffeur | Massachusetts |
| 78 | James J. Wilson | 27 | Head | Policeman | Massachusetts |
| 79 | Helen Wilson | 27 | Wife | — | Massachusetts |
| 80 | James J. Jr. Wilson | 4 | Son | — | Massachusetts |
| 81 | John Wilson | 2 | Son | — | Massachusetts |
| 82 | Timothy J. Sullivan THIS PERSON | 67 | Head | Undertaker | Ireland |
| 83 | Mary Sullivan | 67 | Wife | — | Ireland |
| 84 | Ruth Sullivan | 34 | Daughter | Laborer | Massachusetts |
| 85 | Leo Sullivan | 30 | Son | Salesman | Massachusetts |
| 86 | Hannah Sullivan | 26 | Daughter | Stenographer | Massachusetts |
| 87 | Timothy Sullivan | 22 | Son | Salesman | Massachusetts |
| 88 | Helen E. Sullivan | 22 | Daughter | Stenographer | Massachusetts |
| 89 | John J. Hurd | 32 | Head | Fireman | Massachusetts |
| 90 | Ruth M. Hurd | 32 | Wife | — | Russia |
| 91 | John J. Jr. Hurd | 3 | Son | — | Massachusetts |
| 92 | Frank Sestito | 55 | Head | Laborer | Italy |
| 93 | Victoria Sestito | 50 | Wife | Saleslady | Italy |
| 94 | Grace Sestito | 25 | Daughter | Saleslady | Italy |
| 95 | Anthony Sestito | 16 | Son | Laborer | Italy |
| 96 | Mary Sestito | 14 | Daughter | — | Italy |
| 97 | Lucy Sestito | 12 | Daughter | — | Italy |
| 98 | Josephine Sestito | 10 | Daughter | — | Italy |
| 99 | Catherine Sestito | 8 | Daughter | — | Italy |
| 100 | John J. Sestito | 2 | Son | — | 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)