FS
Florence Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Florence Sullivan across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Florence G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Saugus Town |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Teacher |
| Industry | Grade School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 1300 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Saugus Town |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| James Sullivan | Head | — | 59 | ~1881 |
| Kathryn Sullivan | Daughter | — | 31 | ~1909 |
| Nellie Sullivan | Spouse | — | 58 | ~1882 |
| Florence Sullivan | Daughter | — | 25 | ~1915 |
| Geraldine Sullivan | Daughter | — | 22 | ~1918 |
| Mary Sullivan | Daughter | — | 36 | ~1904 |
| George Sullivan | Son | — | 26 | ~1914 |
| Annie Sullivan | Daughter | — | 34 | ~1906 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 5
Essex, Massachusetts · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Florence E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 15
Essex, Massachusetts · implied b. ~1915 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 25
Essex-County, Massachusetts · implied b. ~1915 — 8 household members
| Surname | Sullivan |
| Given Name | Florence G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Saugus Town |
| 1935 Residence (County) | Essex |
| Occupation | Teacher |
| Industry | Grade School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 1300 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| 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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and mother Nellie Sullivan (~0.92 confidence) and mother Nellie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Sullivan
b. ~1881
Source father
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Sullivan
Daughter · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Mary Sullivan
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Sullivan
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Sullivan
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Sullivan
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Sullivan
Sibling · 1940 · age 22
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
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01590-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ella Pitman | 75 | Lodger | — | Canada-English |
| 2 | George G. Croslin | 52 | Head | Wire Operator | Vermont |
| 3 | Fannie E. Croslin | 48 | Wife | — | Same place |
| 4 | Frederick Madrae | 53 | Head | Stock Salvager | Canada-English |
| 5 | Eva M. Madrae | 47 | Wife | — | Canada-English |
| 6 | William P. Madrae | 16 | Son | — | Massachusetts |
| 7 | Howard A. Littlefield | 73 | Head | — | Massachusetts |
| 8 | Louise M. Littlefield | 63 | Wife | — | Massachusetts |
| 9 | James P. Sullivan | 59 | Head | Police Officer | Massachusetts |
| 10 | Nellie H. Sullivan | 58 | Wife | — | Massachusetts |
| 11 | Mary L. Sullivan | 36 | Daughter | Clerk | Massachusetts |
| 12 | Annie L. Sullivan | 34 | Daughter | Switchboard Oper | Massachusetts |
| 13 | Kathryn G. Sullivan | 31 | Daughter | Telephone Operator | Massachusetts |
| 14 | George F. Sullivan | 26 | Son | Mechanic | Massachusetts |
| 15 | Florence G. Sullivan THIS PERSON | 25 | Daughter | Teacher | Massachusetts |
| 16 | Geraldine P. Sullivan | 22 | Daughter | Teacher | Massachusetts |
| 17 | Burtis E. De Mari | 35 | Head | Proprietor | Massachusetts |
| 18 | Mary H. De Mari | 40 | Wife | — | Massachusetts |
| 19 | Dolores C. De Mari | 9 | Daughter | — | Massachusetts |
| 20 | Lester E. De Mari | 8 | Son | — | Massachusetts |
| 21 | Audrey E. De Mari | 7 | Daughter | — | Massachusetts |
| 22 | Robert H. De Mari | 3 | Son | — | Massachusetts |
| 23 | Frank T. Pelkey | 46 | Head | Proprietor | Vermont |
| 24 | Frances E. Pelkey | 40 | Wife | — | Massachusetts |
| 25 | Dorothy F. Pelkey | 14 | Daughter | — | Massachusetts |
| 26 | Alma G. Gosselin | 47 | Head | — | Massachusetts |
| 27 | Beatrice M. Gosselin | 25 | Daughter | Dentist Assistant | Massachusetts |
| 28 | Ernest R. Gosselin | 24 | Son | Laboratory Worker | Massachusetts |
| 29 | Walter Badger | 34 | Head | Stock Keeper | Vermont |
| 30 | Amy Badger | 32 | Wife | Winder | Massachusetts |
| 31 | Victoria S. Gustafson | 67 | Head | — | Sweden |
| 32 | Harry G. Gustafson | 37 | Son | Freight Agent | Massachusetts |
| 33 | Warren V. Gustafson | 29 | Son | Carpenter | Massachusetts |
| 34 | Ruth Gustafson | 21 | Daughter | — | Massachusetts |
| 35 | John J. Gustafson | 15 | Son | — | Massachusetts |
| 36 | Elliott H. Quimby | 43 | Head | Electricians Helper | New Hampshire |
| 37 | Ada L. Quimby | 45 | Wife | — | England |
| 38 | Ernestine B. Quimby | 10 | Daughter | — | Massachusetts |
| 39 | Roberta J. Quimby | 5 | Daughter | — | Massachusetts |
| 40 | Arlene M. Quimby | 2 | Daughter | — | Massachusetts |
Pedigree Summary
Florence + 5 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)