JD
Joseph Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Joseph Dunn across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Tewksbury T. |
| 1935 Residence (County) | MIDDLESEX |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Tewksbury T |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Dunn | Daughter | — | 15 | ~1925 |
| Pearl Dunn | Daughter | — | ~1940 | |
| William Dunn | Son | — | 10 | ~1930 |
| Joseph Dunn | Son | — | 13 | ~1927 |
| Ruth Dunn | Daughter | — | 9 | ~1931 |
| Christine Dunn | Spouse | — | 38 | ~1902 |
| Eugene Dunn | Son | — | 5 | ~1935 |
| Gabriel Dunn | Head | — | 39 | ~1901 |
| Patrick Dunn | Son | — | 4 | ~1936 |
| Marie Dunn | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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
Son, age 13
Middlesex-County, Massachusetts · implied b. ~1927 — 10 household members
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Tewksbury T. |
| 1935 Residence (County) | MIDDLESEX |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 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 Joseph Dunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Dunn
Son · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
Pearl Dunn
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dunn
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Dunn
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Dunn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Dunn
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Dunn
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie 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 — 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-t0627-01618-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Keough | 10 | Daughter | — | Massachusetts |
| 2 | William Keough | 8 | Son | — | Massachusetts |
| 3 | John Keough | 14 | Lodger | 67 | Massachusetts |
| 4 | Robert Jamieson | 31 | Head | Box-Maker | Canada-English |
| 5 | Florence Jamieson | 37 | Wife | — | Canada-French |
| 6 | Robert Jamieson | 10 | Son | — | Massachusetts |
| 7 | Lorraine Jamieson | 8 | Daughter | — | Massachusetts |
| 8 | Beatrice Jamieson | 7 | Daughter | — | Massachusetts |
| 9 | Ellen Jamieson | 1 | Daughter | — | Massachusetts |
| 10 | Gabriel Mcnally | 38 | Head | Laborer | Maine |
| 11 | Ruth Mcnally | 25 | Wife | — | Massachusetts |
| 12 | Barbara Coughlin | 6 | Step-Daughter | — | Massachusetts |
| 13 | Marion Mcnally | 3 | Daughter | — | Massachusetts |
| 14 | Jacqueline Mcnally | 1 | Daughter | — | Massachusetts |
| 15 | Matilda Jamieson | 58 | Head | — | Canada-English |
| 16 | William Jamieson | 31 | Son | 50 | Canada-English |
| 17 | Archibald Jamieson | 28 | Son | — | Canada-English |
| 18 | Walter Jamieson | 22 | Son | 52 | Canada-English |
| 19 | Stella T. Jamieson | 16 | Daughter | — | Canada-English |
| 20 | Ernest Jamieson | 14 | Son | — | Canada-English |
| 21 | Joseph Maher | 35 | Head | 30 | Massachusetts |
| 22 | Mary L. Maher | 29 | Wife | — | Massachusetts |
| 23 | Robert (Ab) Maher | 16 | Son | 40 | Massachusetts |
| 24 | Gabriel Dunn | 39 | Head | 32 | Massachusetts |
| 25 | Christine Dunn | 38 | Wife | — | Massachusetts |
| 26 | Kathleen Dunn | 15 | Daughter | — | Massachusetts |
| 27 | Joseph Dunn THIS PERSON | 13 | Son | — | Massachusetts |
| 28 | Marie Dunn | 12 | Daughter | — | Massachusetts |
| 29 | William Dunn | 10 | Son | — | Massachusetts |
| 30 | Ruth Dunn | 9 | Daughter | — | Massachusetts |
| 31 | Eugene Dunn | 5 | Son | — | Massachusetts |
| 32 | Patrick Dunn | 4 | Son | — | Massachusetts |
| 33 | Pearl Dunn | 0 | Daughter | — | Massachusetts |
| 34 | Roy Acheson | 31 | Head | 40 | Nova Scotia |
| 35 | Julia Acheson | 32 | Wife | — | Nova Scotia |
| 36 | Robert Acheson | 5 | Son | — | Massachusetts |
| 37 | Raymond Acheson | 4 | Son | — | Massachusetts |
| 38 | Joan Acheson | 2 | Daughter | — | Massachusetts |
| 39 | Ethel Michelin | 25 | Lodger | 24 | England |
| 40 | John F. Dewan | 76 | Head | 0 | Canada-English |
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)