SS
Sarah Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Sarah Sullivan across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1895), then head of a 6-person household.
Age 35
b. ~1895
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Sarah V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Nova Scotia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1895 |
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 Sarah | Age | Birth yr |
|---|---|---|---|---|
| Sarah Sullivan | Daughter | — | 35 | ~1895 |
| Lillian Sullivan | Daughter | — | 30 | ~1900 |
| Mary Sullivan | Daughter | — | 45 | ~1885 |
| Sarah Tully | Spouse | — | 68 | ~1862 |
| Dennis Tully | Head | — | 73 | ~1857 |
| Claire Sullivan | Daughter | — | 26 | ~1904 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 35
Middlesex, Massachusetts · implied b. ~1895 — 6 household members
| Surname | Sullivan |
| Given Name | Sarah V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Nova Scotia |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 47
Middlesex-County, Massachusetts · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Sara V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Occupation | Nurse |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Sarah Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Sullivan
Daughter · 1930 · age 35 · b. ~1895 · Massachusetts
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Sibling
Mary Sullivan
Sibling · 1930 · age 45
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Sullivan
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Sullivan
Sibling · 1930 · age 26
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:massachusettscensus00reel920:0834)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Nels Nordby | 50 | Head | Iron Moulder | Norway |
| 52 | Christine Nordby | 42 | Wife | — | Norway |
| 53 | Ralph Nordby | 21 | Son | — | Massachusetts |
| 54 | Brian Nordby | 19 | Son | Salesman | Massachusetts |
| 55 | Henry Nordby | 18 | Son | Salesman | Massachusetts |
| 56 | Olga Nordby | 16 | Daughter | — | Massachusetts |
| 57 | Mildred Nordby | 14 | Daughter | — | Massachusetts |
| 58 | Albert Nordby | 10 | Son | — | Massachusetts |
| 59 | Minnie Nordby | 6 | Daughter | — | Massachusetts |
| 60 | C. E. Reilly | 52 | Head | Painter | Massachusetts |
| 61 | Francis Reilly | 28 | Son | Shoemaker | Massachusetts |
| 62 | Wilfred Reilly | 27 | Daughter | Shoemaker | Massachusetts |
| 63 | Paul Reilly | 16 | Son | — | Massachusetts |
| 64 | Fred Anderson | 46 | Head | Weaver | England |
| 65 | Jessie H. Anderson | 50 | Wife | — | Scotland |
| 66 | Evelyn Anderson | 13 | Daughter | — | Massachusetts |
| 67 | Ernest Craig | 53 | Head | Painter | Canada Eng. |
| 68 | Lillian Craig | 52 | Wife | — | Canada Eng. |
| 69 | Helen Craig | 21 | Daughter | Hairdresser | Massachusetts |
| 70 | Irene Craig | 17 | Daughter | — | Massachusetts |
| 71 | Ernest Craig | 42 | Son | Cutter | Canada Eng. |
| 72 | Gilbert Drapeau | 39 | Head | Manager | Canada French |
| 73 | Addie M. Drapeau | 37 | Wife | — | Canada Eng. |
| 74 | Francis S. Drapeau | 13 | Son | — | Massachusetts |
| 75 | Carol E. Drapeau | 11 | Son | — | Massachusetts |
| 76 | Ray E. Gower | 28 | Head | Grocer | Massachusetts |
| 77 | Ruth Gower | 25 | Wife | — | Rhode Island |
| 78 | Carl G. Gower | 55 | Head | Baker | Massachusetts |
| 79 | Bernice Gower | 52 | Wife | — | Massachusetts |
| 80 | Hilda Gower | 20 | Daughter | — | Massachusetts |
| 81 | Arthur Gower | 11 | Son | — | Massachusetts |
| 82 | Emerile Biron | 38 | Head | Musician | Canada French |
| 83 | Bertha Biron | 39 | Wife | — | Massachusetts |
| 84 | Lucile Biron | 13 | Daughter | — | Massachusetts |
| 85 | Edwin Biron | 8 | Son | — | Massachusetts |
| 86 | Paul Halstead | 22 | Roomer | Bookkeeper | Massachusetts |
| 87 | Robert J. Donahue | 41 | Head | Pharmacist | Massachusetts |
| 88 | Elizabeth Donahue | 41 | Wife | — | Massachusetts |
| 89 | Mildred Donahue | 18 | Daughter | — | Massachusetts |
| 90 | Robert Donahue | 13 | Son | — | Massachusetts |
| 91 | Dennis F. Tully | 73 | Head | — | Massachusetts |
| 92 | Sarah Tully | 68 | Wife | — | Canada Eng. |
| 93 | Mary Sullivan | 45 | Daughter | Knitter | Massachusetts |
| 94 | Sarah V. Sullivan THIS PERSON | 35 | Daughter | — | Massachusetts |
| 95 | Lillian Sullivan | 30 | Daughter | Clerk | Massachusetts |
| 96 | Claire Sullivan | 26 | Daughter | Teacher | Massachusetts |
| 97 | Joseph G. Flanagan | 39 | Head | Tape Maker | Massachusetts |
| 98 | Margaret Flanagan | 32 | Wife | — | Massachusetts |
| 99 | Shirley A. Flanagan | 3 | Daughter | — | Massachusetts |
| 100 | Janet M. Flanagan | 1 | Daughter | — | 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)