MD
Margaret Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Dunn across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 12-person household.
Age 14
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Dunn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1926 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Ann Dunn | Daughter | — | 9 | ~1931 |
| Helen Dunn | Daughter | — | 12 | ~1928 |
| Margaret Dunn | Daughter | — | 14 | ~1926 |
| Mary Dunn | Daughter | — | 21 | ~1919 |
| Catherine Dunn | Daughter | — | 11 | ~1929 |
| Irene Dunn | Daughter | — | 5 | ~1935 |
| Michael Dunn | Head | — | 53 | ~1887 |
| William Dunn | Son | — | 6 | ~1934 |
| Roger Dunn | Son | — | 15 | ~1925 |
| James Dunn | Son | — | 13 | ~1927 |
| John Dunn | Son | — | 17 | ~1923 |
| Margaret Dunn | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 3
Suffolk, Massachusetts · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Canada-English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 14
Suffolk-County, Massachusetts · implied b. ~1926 — 12 household members
| Surname | Dunn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Dunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Dunn
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
★ You are viewing this record
Sibling
Roger Dunn
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Dunn
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dunn
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dunn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dunn
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Dunn
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dunn
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Dunn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Dunn
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 — 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-t0627-01669-00821)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Bird | 27 | Daughter | Bookkeeper | Massachusetts |
| 2 | Frances Bird | 25 | Daughter | Stenographer | Massachusetts |
| 3 | Rose Bird | 22 | Daughter | Authorizer | Massachusetts |
| 4 | Alfred Bird | 20 | Son | — | Massachusetts |
| 5 | Rita Bird | 18 | Daughter | Assistant | Massachusetts |
| 6 | Edwin Bird | 15 | Son | — | Massachusetts |
| 7 | Archie Mcphail | 36 | Head | Porter | Canada English |
| 8 | Jemima Mcphail | 34 | Wife | — | Massachusetts |
| 9 | Barbara Mcphail | 12 | Daughter | — | Massachusetts |
| 10 | Edward Mccann | 72 | Head | — | Northern Ireland |
| 11 | Mary J. Mccann | 35 | Daughter | Typist | Massachusetts |
| 12 | Joseph Mccann | 29 | Son | Painter | Massachusetts |
| 13 | Edward F. Mccann | 33 | Head | Milkman | Massachusetts |
| 14 | Mary F. Mccann | 31 | Wife | — | Massachusetts |
| 15 | Delia Muldoon | 46 | Head | Housekeeper | Irish Free State |
| 16 | Eleanor Martin | 47 | Lodger | Waitress | Canada English |
| 17 | Thomas Towle | 70 | Head | — | Massachusetts |
| 18 | Susan M. Towle | 67 | Wife | — | Massachusetts |
| 19 | Anita Towle | 24 | Daughter | Telephone Operator | Massachusetts |
| 20 | Bernadette Towle | 23 | Daughter | Stenographer | Massachusetts |
| 21 | Michael Dunn | 53 | Head | Owner-Driver | Irish Free State |
| 22 | Margaret Dunn | 48 | Wife | — | Irish Free State |
| 23 | Mary E. Dunn | 21 | Daughter | Nurse | Massachusetts |
| 24 | John J. Dunn | 17 | Son | — | Massachusetts |
| 25 | Roger Dunn | 15 | Son | — | Massachusetts |
| 26 | Margaret Dunn THIS PERSON | 14 | Daughter | — | Massachusetts |
| 27 | James Dunn | 13 | Son | — | Massachusetts |
| 28 | Helen Dunn | 12 | Daughter | — | Massachusetts |
| 29 | Catherine Dunn | 11 | Daughter | — | Massachusetts |
| 30 | Ann Dunn | 9 | Daughter | — | Massachusetts |
| 31 | William Dunn | 6 | Son | — | Massachusetts |
| 32 | Irene Dunn | 5 | Daughter | — | Massachusetts |
| 33 | George Rich | 58 | Head | Ticket Clerk | Massachusetts |
| 34 | Lillian Rich | 41 | Wife | — | Massachusetts |
| 35 | George Jr. Rich | 5 | Son | — | Massachusetts |
| 36 | Nora Massey | 53 | Head | — | Irish Free State |
| 37 | John Massey | 25 | Son | Electrician | Massachusetts |
| 38 | Thomas Massey | 23 | Son | Laborer | Massachusetts |
| 39 | Mary Massey | 21 | Daughter | Buyer | Massachusetts |
| 40 | Bartley Massey | 18 | Son | Clerk | Massachusetts |
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)