MH
Margaret Hamilton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Hamilton across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 13-person household.
Age 16
b. ~1924
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Hamilton |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Revere City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Revere City |
| Est. Birth Year | ~1924 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Rose Weinsellaum | Daughter | — | 46 | ~1894 |
| Margaret Hamilton | Daughter | — | 16 | ~1924 |
| Mary Hamilton | Daughter | — | 18 | ~1922 |
| Sadie Rumansky | Spouse | — | 50 | ~1890 |
| Charles Hamilton | Son | — | 12 | ~1928 |
| Ruth Dorfman | Other | — | 18 | ~1922 |
| Albert Williams | Son | — | 25 | ~1915 |
| Henry Hamilton | Son | — | 14 | ~1926 |
| Isarel Rosenthal | Other | — | 28 | ~1912 |
| Robert Keene | Son | — | 10 | ~1930 |
| Matthew Kemalovsky | Son | — | 40 | ~1900 |
| Ida Rosenthal | Other | — | 29 | ~1911 |
| Janet Elliot | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 6
Suffolk, Massachusetts · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Canada English |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 13 household members
| Surname | Hamilton |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Revere City |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 Margaret Hamilton across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Hamilton
Daughter · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Charles Hamilton
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Williams
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Keene
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Elliot
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Weinsellaum
Sibling · 1940 · age 46
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Hamilton
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hamilton
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matthew Kemalovsky
Sibling · 1940 · age 40
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
21 people indexed on this census page (nara:1940:m-t0627-01643-00200)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isarel Rosenthal | 28 | Brother in law | Waiter | Massachusetts |
| 2 | Ida Rosenthal | 29 | Sister in law | Counter Girl | Massachusetts |
| 3 | Ruth Dorfman | 18 | Sister in law | — | Massachusetts |
| 4 | Matthew Kemalovsky | 40 | Son | Sales Manager | Massachusetts |
| 5 | Sadie Rumansky | 50 | Wife | — | Russia |
| 6 | Janet Elliot | 8 | Daughter | — | Massachusetts |
| 7 | Albert H. Williams | 25 | Son | — | Massachusetts |
| 8 | Robert Keene | 10 | Son | — | Massachusetts |
| 9 | Mary E Hamilton | 18 | Daughter | New Worker | Massachusetts |
| 10 | Margaret Hamilton THIS PERSON | 16 | Daughter | — | Massachusetts |
| 11 | Henry C Hamilton | 14 | Son | — | Massachusetts |
| 12 | Charles Hamilton | 12 | Son | — | Massachusetts |
| 13 | Rose Weinsellaum | 46 | Daughter | — | Russia |
| 14 | Jacob Prince | 80 | Head | — | Russia |
| 15 | Sarah Prince | 81 | Wife | — | Russia |
| 16 | Henry Franke | 70 | Head | — | England |
| 17 | Phoebe Franke | 69 | Wife | — | England |
| 18 | Gertrude Kaufman | 46 | Head | — | Russia |
| 19 | Harry Kaufman | 22 | Son | New Worker | Massachusetts |
| 20 | Bacia Sulan | 14 | Daughter | — | Massachusetts |
| 21 | Harold Rogers | 29 | Head | Collector | Maine |
Related Census Records
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)