FS
Florence Sullivan — 1940 US Census Record
Linked across censuses1940 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) — first a spouse (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Female
Spouse
Born: Newfoundland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | First papers filed |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
| Township / Ward | Lowell |
| Est. Birth Year | ~1890 |
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 1940 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Ruth Sullivan | Daughter | — | 25 | ~1915 |
| Pearl Sullivan | Daughter | — | 19 | ~1921 |
| George Sullivan | Son | — | 27 | ~1913 |
| Woodrow Sullivan | Daughter | — | 23 | ~1917 |
| Florence Sullivan | Spouse | — | 50 | ~1890 |
| Jerry Sullivan | Head | — | 51 | ~1889 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 32
Middlesex, Massachusetts · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| Year of Immigration | 1902 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
1930
Middlesex, Massachusetts
Spouse, age 41
Middlesex, Massachusetts · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| Naturalization Status | Alien |
| Year of Immigration | 1892 |
| Age at First Marriage | 15 |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
1940
Middlesex-County, Massachusetts
Spouse, age 50
Middlesex-County, Massachusetts · implied b. ~1890 — 6 household members
| Surname | Sullivan |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | First papers filed |
| Industry | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
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.
Show:
This person
Anchor record
Florence Sullivan
Spouse · 1940 · age 50 · b. ~1890 · Massachusetts
★ You are viewing this record
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
39 people indexed on this census page (nara:1940:m-t0627-01692-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lerau P. Hubbard | 43 | Wife | — | Vermont |
| 2 | Marceline Hubbard | 20 | Daughter | Inter-Lady | Massachusetts |
| 4 | Maurice Sylvestre | 41 | Head | Junk Collector | Canada |
| 5 | Mary Louise Sylvestre | 43 | Wife | — | Massachusetts |
| 6 | Leo Sylvestre | 22 | Son | Laborer | Massachusetts |
| 7 | Armand Sylvestre | 21 | Son | Laborer | Massachusetts |
| 8 | Albert Sylvestre | 19 | Son | New Worker | Massachusetts |
| 9 | Arthur Sylvestre | 17 | Son | New Worker | Massachusetts |
| 10 | Leo Sylvestre | 14 | Son | — | Massachusetts |
| 11 | Claire Sylvestre | 12 | Daughter | — | Massachusetts |
| 12 | Yvonne Sylvestre | 10 | Daughter | — | Massachusetts |
| 13 | Irene Sylvestre | 9 | Daughter | — | Massachusetts |
| 14 | Victor Sylvestre | 7 | Son | — | Massachusetts |
| 15 | Robert Sylvestre | 39 | Brother | Junk Collector | Canada |
| 16 | Jerry Sullivan | 51 | Head | Crane Man | New Brunswick |
| 17 | Florence Sullivan THIS PERSON | 50 | Wife | — | Newfoundland |
| 18 | George E. Sullivan | 27 | Son | Trucker | Massachusetts |
| 19 | Ruth E. Sullivan | 25 | Daughter | General Work | Massachusetts |
| 20 | Woodrow Sullivan | 23 | Daughter | Clerk | Massachusetts |
| 21 | Pearl Sullivan | 19 | Daughter | — | Massachusetts |
| 22 | Morris Marmer | 69 | Head | Peddler | Russia |
| 23 | Lena Marmer | 65 | Wife | — | Russia |
| 24 | Bessie Marmer | 24 | Daughter | Bookkeeper | Massachusetts |
| 25 | Ethel Marmer | 23 | Daughter | — | Massachusetts |
| 26 | James Kirrane | 47 | Head | Salesman | Massachusetts |
| 27 | Mary D. Kirrane | 41 | Wife | — | Massachusetts |
| 28 | Helena Kirrane | 18 | Daughter | — | Massachusetts |
| 29 | Minnie Gantar | 57 | Head | Weaver | Germany |
| 30 | Max Levine | 52 | Head | Junk Dealer | Lithuania |
| 31 | Bertha Levine | 52 | Wife | — | Lithuania |
| 32 | Philip Levine | 28 | Son | Junk Dealer | Massachusetts |
| 33 | Edgar Brooks | 60 | Head | Engine Man | England |
| 34 | Lilla Brooks | 55 | Wife | — | England |
| 35 | Nathan E. Brooks | 21 | Son | Bookkeeper | Massachusetts |
| 36 | Amos Ogden | 60 | Head | Bottom Finisher | England |
| 37 | Mary J. Ogden | 59 | Wife | Weaver | England |
| 38 | Albert J. Wilby | 63 | Head | Sales Manager | Massachusetts |
| 39 | Hattie L. Wilby | 44 | Sister | Bookkeeper | Massachusetts |
| 40 | David B. George | 72 | Head | Woodworker | Massachusetts |
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)