FK
Florence King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Florence King across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | King |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Dorothea King | Daughter | — | 9 | ~1931 |
| Arthur King | Head | — | 38 | ~1902 |
| William King | Son | — | 2 | ~1938 |
| Elizabeth King | Daughter | — | 11 | ~1929 |
| Mary King | Daughter | — | 16 | ~1924 |
| Florence King | Daughter | — | 10 | ~1930 |
| Mary King | Spouse | — | 38 | ~1902 |
| Rita King | Daughter | — | 18 | ~1922 |
| Joseph King | Son | — | 6 | ~1934 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age
Suffolk, Massachusetts · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Francis |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada-English |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 10
Suffolk-County, Massachusetts · implied b. ~1930 — 9 household members
| Surname | King |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Highest Grade | 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 King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Florence King
Daughter · 1940 · age 10 · b. ~1930 · Massachusetts
★ You are viewing this record
Sibling
Elizabeth King
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William King
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita King
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph King
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary King
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothea King
Sibling · 1940 · age 9
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01665-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur B. King | 38 | Head | Salesman | Massachusetts |
| 2 | Mary T. King | 38 | Wife | — | Massachusetts |
| 3 | Rita King | 18 | Daughter | Teacher | Massachusetts |
| 4 | Mary King | 16 | Daughter | — | Massachusetts |
| 5 | Elizabeth King | 11 | Daughter | — | Massachusetts |
| 6 | Florence King THIS PERSON | 10 | Daughter | — | Massachusetts |
| 7 | Dorothea King | 9 | Daughter | — | Massachusetts |
| 8 | Joseph King | 6 | Son | — | Massachusetts |
| 9 | William King | 2 | Son | — | Massachusetts |
| 10 | Winifred Frauel | 60 | Head | — | Canada English |
| 11 | Helen Frauel | 34 | Daughter | Cashier | Canada English |
| 12 | Albert Frauel | 31 | Son | Furniture Maker | Canada English |
| 13 | Lloyd Frauel | 24 | Son | Laborer | Canada English |
| 14 | Harris Frauel | 21 | Son | New Worker | Canada English |
| 15 | Joseph O'Hara | 42 | Head | Sheet Metal Worker'S Helper | England |
| 16 | Charlotte O'Hara | 38 | Wife | — | England |
| 17 | Ethel O'Hara | 19 | Daughter | Domestic Work | England |
| 18 | Gladys O'Hara | 13 | Daughter | — | Rhode Island |
| 19 | Susan Brown | 49 | Head | — | Massachusetts |
| 20 | George Brown | 19 | Son | Laborer | Massachusetts |
| 21 | Frances Brown | 13 | Daughter | — | Massachusetts |
| 22 | Merle F. Smith | 42 | Head | — | Massachusetts |
| 23 | Lorraine H. Smith | 21 | Daughter | Packer | Massachusetts |
| 24 | James J. Smith | 19 | Son | Machinist'S Apprentice | Massachusetts |
| 25 | Clinton Kingham | 83 | Father | — | Massachusetts |
| 26 | Martha Simpson | 41 | Head | — | Massachusetts |
| 27 | Leslie Simpson | 22 | Daughter | Waitress | Massachusetts |
| 28 | Fred Mosher | 91 | Lodger | — | Massachusetts |
| 29 | Walter Kingham | 51 | Brother | Steam Pipe Fitter | Massachusetts |
| 30 | Marcus P. King | 44 | Head | Longshoreman | Massachusetts |
| 31 | Katherine King | 44 | Wife | — | Massachusetts |
| 32 | Margaret King | 23 | Daughter | Stock Clerk | Massachusetts |
| 33 | Madeline King | 18 | Daughter | New Worker | Massachusetts |
| 34 | Evelyn King | 15 | Daughter | — | Massachusetts |
| 35 | Lorraine King | 8 | Daughter | — | Massachusetts |
| 36 | James S. Evans | 34 | Head | Police Officer | Massachusetts |
| 37 | Anna M. Evans | 29 | Wife | — | Ireland |
| 38 | Monica A. Evans | 5 | Daughter | — | Massachusetts |
| 39 | James G. Evans | 1 | Son | — | Massachusetts |
| 40 | Stanley Wozakewich | 52 | Head | Laborer | Poland |
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)