FS
Florence Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Florence Sullivan across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Roswell & Emma — first a daughter (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Female
Daughter
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Waltham |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Townsend Center |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Frank Sullivan | Son | — | 12 | ~1928 |
| Emma Farley | Spouse | — | 76 | ~1864 |
| Florence Sullivan | Daughter | — | 39 | ~1901 |
| Roswell Farley | Head | — | 74 | ~1866 |
| Peter Sullivan | Son | — | 9 | ~1931 |
Census Appearances
1920
Middlesex, Massachusetts
Other, age 18
Middlesex, Massachusetts · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Step-daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Telegraph Clerk |
| Industry | Telegraph Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Other, age 29
Middlesex, Massachusetts · implied b. ~1901 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Florence C. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Secretary |
| Industry | Private Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 39
Middlesex-County, Massachusetts · implied b. ~1901 — 5 household members
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Waltham |
| 1935 Residence (County) | Middlesex |
| Hours Worked | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Massachusetts |
| 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 Roswell Farley (~0.92 confidence) and mother Emma Farley (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Roswell Farley
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Emma Farley
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Florence Sullivan
Daughter · 1940 · age 39 · b. ~1901 · Massachusetts
★ You are viewing this record
Sibling
Peter Sullivan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Sullivan
Sibling · 1940 · age 12
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01618-00179)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles W. Card | 81 | Mother | — | Canada |
| 2 | Roswell S. Farley | 74 | Head | Machinist | Massachusetts |
| 3 | Emma W. Farley | 76 | Wife | — | Massachusetts |
| 4 | Florence Sullivan THIS PERSON | 39 | Daughter | — | Massachusetts |
| 5 | Frank Sullivan | 12 | Son | — | Massachusetts |
| 6 | Peter Sullivan | 9 | Son | — | Massachusetts |
| 7 | George Brownell | 46 | Head | Foreman, Sawmill | New Hampshire |
| 8 | Rose Brownell | 38 | Wife | — | New Hampshire |
| 9 | Lawrence Brownell | 7 | Son | — | New Hampshire |
| 10 | Joan Brownell | 5 | Daughter | — | New Hampshire |
| 11 | Jeaney Brownell | 4 | Daughter | — | New Hampshire |
| 12 | Richard Capps | 18 | Step-son | — | New Hampshire |
| 13 | Harlan Capps | 14 | Step-son | Lumber Surveyor | New Hampshire |
| 14 | George Ballou | 23 | Head | Road Work | Massachusetts |
| 15 | Effie Ballou | 63 | Wife | — | Massachusetts |
| 16 | Charles Nelson | 55 | Head | Truck Driver | South Dakota |
| 17 | Annie Nelson | 53 | Wife | — | Vermont |
| 18 | Dorothy Nelson | 22 | Daughter | Private Secretary | Massachusetts |
| 19 | Charlotte Russell | 65 | Head | — | Massachusetts |
| 20 | Pearl Russell | 30 | Daughter | Teacher | Massachusetts |
| 21 | Fred Davis | 63 | Head | Bookkeeper | Massachusetts |
| 22 | Hattie Davis | 53 | Wife | — | New Hampshire |
| 23 | Dorothy Davis | 21 | Daughter | Hairdresser | Massachusetts |
| 24 | Richard Holden | 37 | Head | Mechanic | Massachusetts |
| 25 | Helen Holden | 31 | Wife | — | New Hampshire |
| 26 | Robert Holden | 10 | Son | — | Massachusetts |
| 27 | Russell Holden | 2 | Son | — | Massachusetts |
| 28 | Joan Holden | 5 | Daughter | — | Massachusetts |
| 29 | Gilford Holden | 3 | Son | — | Massachusetts |
| 30 | Sherlie Holden | 2 | Daughter | — | Massachusetts |
| 31 | Herbert Halding | 31 | Head | Mechanic | New York |
| 32 | Beatrice Halding | 33 | Wife | — | Massachusetts |
| 33 | Robert Halding | 9 | Son | — | Massachusetts |
| 34 | Herbert Halding | 5 | Son | — | Massachusetts |
| 35 | West Whitcomb | 85 | Head | — | Holland |
| 36 | Lizzie Whitcomb | 77 | Wife | — | Massachusetts |
| 37 | Frank Morse | 54 | Son-in-law | Stage Carpenter | Massachusetts |
| 38 | Hazel Morse | 44 | Daughter | — | Massachusetts |
| 39 | Richard Ross | 32 | Head | Millwright | Massachusetts |
| 40 | Alma Ross | 31 | Wife | — | Massachusetts |
Pedigree Summary
Florence + 2 siblings
Gen 1 · 2 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)