FS
Florence Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Florence Sullivan across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Daniel — first a daughter (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Florence M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Post Office Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Somerville 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Veronica Sullivan | Daughter | — | 18 | ~1912 |
| Veronica Sullivan | Other | — | 17 | ~1913 |
| Francis Sullivan | Daughter | — | 13 | ~1917 |
| Mary Sullivan | Other | — | 52 | ~1878 |
| Charles Sullivan | Head | — | 17 | ~1913 |
| Florence Sullivan | Daughter | — | 20 | ~1910 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 1
Middlesex, Massachusetts · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Rhode Island |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 10
Middlesex, Massachusetts · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Florence J |
| 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 |
1930
Middlesex, Massachusetts
Daughter, age 20
Middlesex, Massachusetts · implied b. ~1910 — 6 household members
| Surname | Sullivan |
| Given Name | Florence M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Post Office Mfg |
| Class of Worker | W |
| Can Read/Write | 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 Florence Sullivan across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Charles Sullivan (~0.50 confidence) and father Daniel Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Emma Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Charles Sullivan
b. ~1913
Source father
● Household
· direct · ~0.5
Father
Daniel Sullivan
b. ~1886
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Emma Sullivan
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Sullivan
Daughter · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Veronica Sullivan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sullivan
Sibling · 1930 · age 13
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:massachusettscensus00reel929:0278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edward T. Jones | 26 | Head | Millwright | Canada English |
| 52 | Effie J. Jones | 34 | Wife-H | — | Canada English |
| 53 | Effie S. Jones | 16 | Daughter | — | Massachusetts |
| 54 | Ernest Mader | 41 | Head | Mechanic | Canada English |
| 55 | Alice Mader | 39 | Wife-H | — | Canada English |
| 56 | Charles D. Mader | 11 | Son | — | Massachusetts |
| 57 | Gertrude M. Mader | 12 | Daughter | — | Massachusetts |
| 58 | Louise C. Mader | 10 | Daughter | — | Massachusetts |
| 59 | Ethel A. Mader | 8 | Daughter | — | Massachusetts |
| 60 | Robert Purcell | 24 | Head | Clerk | Massachusetts |
| 61 | Helen Purcell | 22 | Wife-H | — | Massachusetts |
| 62 | Joan Purcell | 1 | Daughter | — | Massachusetts |
| 63 | Amos Mader | 74 | Head | — | Canada English |
| 64 | Lavina Mader | 64 | Wife-H | — | Canada English |
| 65 | William Mader | 43 | Son | Carpenter | Canada English |
| 66 | Charles T. Sullivan | 17 | Head | Clerk | Massachusetts |
| 67 | Mary M. Sullivan | 52 | Mother-H | — | Massachusetts |
| 68 | Florence M. Sullivan THIS PERSON | 20 | Daughter | Clerk | Massachusetts |
| 69 | Veronica Sullivan | 18 | Daughter | — | Massachusetts |
| 70 | Francis Sullivan | 13 | Daughter | — | Massachusetts |
| 71 | Veronica B. Sullivan | 17 | Sister | — | Massachusetts |
| 72 | Irvin Mader | 30 | Head | Carpenter | Canada English |
| 73 | Mary Mader | 28 | Wife-H | — | Massachusetts |
| 74 | Marie E. Mader | 4 | Daughter | — | Massachusetts |
| 75 | Joan Mader | 0 | Daughter | — | Massachusetts |
| 76 | Everett B. Hayden | 42 | Head | Carpenter | Massachusetts |
| 77 | Louisa A. Hayden | 75 | Mother-H | — | Canada English |
| 78 | Phyllis L. Hayden | 9 | Daughter | — | Massachusetts |
| 79 | John J. Kalton | 32 | Head | Grocer | Greece |
| 80 | Alice Kalton | 27 | Wife-H | — | Greece |
| 81 | Mary Kalton | 5 | Daughter | — | Massachusetts |
| 82 | Andrew Kalton | 4 | Son | — | Massachusetts |
| 83 | Harry Kalton | 2 | Son | — | Massachusetts |
| 84 | Michael Dormady | 42 | Head | Steam Fitter | Massachusetts |
| 85 | Catherine Dormady | 26 | Wife-H | — | Massachusetts |
| 86 | Joseph L. Dormady | 3 | Son | — | Massachusetts |
| 87 | Edward Dormady | 1 | Son | — | Massachusetts |
| 88 | James Dormady | 0 | Son | — | Massachusetts |
| 89 | Charles Rich | 40 | Head | Barber | Italy |
| 90 | Rose Rich | 36 | Wife-H | — | Italy |
| 91 | Frank Rich | 15 | Son | — | Massachusetts |
| 92 | Carlos Rich | 14 | Son | — | Massachusetts |
| 93 | Rudolph Rich | 9 | Son | — | Massachusetts |
| 94 | William Rich | 5 | Son | — | Massachusetts |
| 95 | Dominic Rich | 17 | Son | Barber | Massachusetts |
| 96 | Alfred Rich | 16 | Son | — | Massachusetts |
| 97 | Clara Rich | 12 | Daughter | — | Massachusetts |
| 98 | Francis Corrao | 33 | Head | Truckman | Massachusetts |
| 99 | Annie M. Corrao | 32 | Wife-H | — | Massachusetts |
| 100 | Dorothy A. Corrao | 15 | Daughter | — | Massachusetts |
Pedigree Summary
Florence + 2 siblings
Gen 1 · 5 parents
~0.84
Max depth 4 (1900–1950 window)
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)