DH
Dorothy Hill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Dorothy Hill across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hill |
| Given Name | Dorothy M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Hours Worked | 8 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville |
| Est. Birth Year | ~1925 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Virginia Hill | Daughter | — | 9 | ~1931 |
| Dorothy Hill | Daughter | — | 15 | ~1925 |
| Marguerita Hill | Daughter | — | 8 | ~1932 |
| Eleanor Hill | Daughter | — | 12 | ~1928 |
| James Hill | Head | — | 38 | ~1902 |
| James Hill | Son | — | 13 | ~1927 |
| Edward Hill | Son | — | 6 | ~1934 |
| Kenneth Hill | Son | — | 1 | ~1939 |
| Dorothy Hill | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 5
Suffolk, Massachusetts · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Dorothy |
| 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 |
1940
Middlesex-County, Massachusetts
Daughter, age 15
Middlesex-County, Massachusetts · implied b. ~1925 — 9 household members
| Surname | Hill |
| Given Name | Dorothy M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville |
| 1935 Residence (County) | Middlesex |
| Hours Worked | 8 |
| Highest Grade | Hs 2 |
| 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 Dorothy Hill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Hill
Daughter · 1940 · age 15 · b. ~1925 · Massachusetts
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Sibling
James Hill
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Hill
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerita Hill
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Hill
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Hill
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Hill
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-t0627-01702-00716)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley A Cantwell | 10 | Daughter | — | Massachusetts |
| 2 | James Hill | 38 | Head | Laborer | New York |
| 3 | Dorothy Hill | 39 | Wife | — | Massachusetts |
| 4 | Dorothy M Hill THIS PERSON | 15 | Daughter | — | Massachusetts |
| 5 | James Hill | 13 | Son | — | Massachusetts |
| 6 | Eleanor Hill | 12 | Daughter | — | Massachusetts |
| 7 | Virginia Hill | 9 | Daughter | — | Massachusetts |
| 8 | Marguerita Hill | 8 | Daughter | — | Massachusetts |
| 9 | Edward Hill | 6 | Son | — | Massachusetts |
| 10 | Kenneth Hill | 1 | Son | — | Massachusetts |
| 11 | John Freitas | 65 | Head | — | Portugal |
| 12 | Rose Freitas | 62 | Wife | — | Portugal |
| 13 | Helena Freitas | 33 | Daughter | Tailor | Portugal |
| 14 | Candeloro Patalano | 50 | Head | Butcher | Italy |
| 15 | Mary Patalano | 44 | Wife | Stitcher | Italy |
| 16 | Florence Patalano | 19 | Daughter | ? | Italy |
| 17 | Paul Patalano | 14 | Son | — | Italy |
| 18 | Dominick Patalano | 10 | Son | — | Massachusetts |
| 19 | Louis Gambardella | 23 | Head | Cook | Italy |
| 20 | Stella Gambardella | 22 | Wife | ? | Massachusetts |
| 21 | George Collins | 31 | Head | Chauffeur | Massachusetts |
| 22 | Mary Collins | 28 | Wife | — | Massachusetts |
| 23 | John J Cleary | 69 | Head | — | Ireland |
| 24 | Cecelia Cleary | 59 | Wife | — | Northern Ireland |
| 25 | Mary Cleary | 32 | Daughter | Clerk | Massachusetts |
| 26 | Joseph Cleary | 31 | Son | Clerk | Massachusetts |
| 27 | Cecil A Atkinson | 35 | Head | Chauffeur | Canada English |
| 28 | Elizabeth Atkinson | 31 | Wife | — | England |
| 29 | George Atkinson | 6 | Son | — | Massachusetts |
| 30 | David Atkinson | 4 | Son | — | Massachusetts |
| 31 | Margaret Cunningham | 62 | Head | — | Ireland Free State |
| 32 | Florence C Cunningham | 36 | Daughter | Secretary | Massachusetts |
| 33 | Daniel J Cunningham | 27 | Son | Shipper | Massachusetts |
| 34 | Annie Kennedy | 63 | Head | — | Massachusetts |
| 35 | Daniel Curran | 44 | Head | Painter | Rhode Island |
| 36 | Agnes Curran | 36 | Wife | Bench Worker | Massachusetts |
| 37 | Daniel W Curran | 13 | Son | — | Massachusetts |
| 38 | Irene Curran | 10 | Daughter | — | Massachusetts |
| 39 | Walter J Jr Cantwell | 32 | Head | Bus Operator | Massachusetts |
| 40 | Catherine Cantwell | 32 | Wife | — | 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)