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 head (b.~1900), then head of a 10-person household.
Age 40
b. ~1900
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 1500 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Mechanic |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Beatrice Dunn | Spouse | — | 43 | ~1897 |
| Jesse Dunn | Son | — | 14 | ~1926 |
| Beatrice Dunn | Daughter | — | 15 | ~1925 |
| Thomas Dunn | Son | — | 4 | ~1936 |
| Pauline Dunn | Daughter | — | 17 | ~1923 |
| Yvonne Dunn | Daughter | — | 7 | ~1933 |
| Joseph Dunn | Head | — | 40 | ~1900 |
| Robert Dunn | Son | — | 9 | ~1931 |
| John Dunn | Son | — | 19 | ~1921 |
| Theodosia Dunn | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 29
Middlesex, Massachusetts · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 40
Middlesex-County, Massachusetts · implied b. ~1900 — 10 household members
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 1500 |
| Highest Grade | H-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 Joseph Dunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Dunn
Head · 1940 · age 40 · b. ~1900 · Massachusetts
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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
39 people indexed on this census page (nara:1940:m-t0627-01702-00257)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Adams | 76 | Head | — | England |
| 2 | Edna Adams | 36 | Daughter | Clerical Worker | Massachusetts |
| 3 | John Adams | 34 | Son | Chauffeur | Massachusetts |
| 4 | James Gaston | 74 | Head | Store Manager | Massachusetts |
| 5 | Lena Gaston | 78 | Wife | — | Massachusetts |
| 6 | Lula Howard | 78 | Roomer | — | Massachusetts |
| 7 | Francis Scanlon | 27 | Head | Book Keeper | Massachusetts |
| 8 | Kathleen Scanlon | 25 | Daughter | Teacher | Massachusetts |
| 9 | Joseph Scanlon | 24 | Son | Clerk | Massachusetts |
| 10 | Thomas Scanlon | 21 | Son | Salesman | Massachusetts |
| 11 | Margaret Scanlon | 20 | Daughter | Librarian | Massachusetts |
| 12 | Adelaide Scanlon | 18 | Daughter | — | Massachusetts |
| 13 | Josephine Quigley | 58 | Guest | — | Massachusetts |
| 14 | John Walsh | 49 | Head | Shipper | Rhode Island |
| 15 | Catherine Walsh | 49 | Wife | — | Massachusetts |
| 16 | Edith Walsh | 22 | Daughter | Operator | Massachusetts |
| 17 | Lillian Walsh | 18 | Daughter | — | Massachusetts |
| 18 | Albert Walsh | 15 | Son | — | Massachusetts |
| 19 | Robert Walsh | 13 | Son | — | Massachusetts |
| 20 | Charles Englehart | 66 | Head | Shipper | Germany |
| 21 | Emma Englehart | 61 | Wife | — | New York |
| 22 | Clarence Rood | 36 | Head | Clerk | Massachusetts |
| 23 | Ruth Rood | 36 | Daughter | Stenographer | Massachusetts |
| 24 | Virginia Rood | 8 | Child | — | Massachusetts |
| 25 | George Thompson | 46 | Head | Brakeman | Massachusetts |
| 26 | Ethel Thompson | 46 | Wife | — | England |
| 27 | Catherine Thompson | 15 | Daughter | — | Massachusetts |
| 28 | Charles Thompson | 16 | Brother | — | Massachusetts |
| 29 | Anne Hodson | 77 | Roomer | — | Maine |
| 30 | Joseph Dunn THIS PERSON | 40 | Head | Mechanic | Massachusetts |
| 31 | Beatrice Dunn | 43 | Wife | — | New Hampshire |
| 32 | Theodosia Dunn | 20 | Daughter | Laundress | New Hampshire |
| 33 | John Dunn | 19 | Son | Mechanic | Maine |
| 34 | Pauline Dunn | 17 | Daughter | — | Maine |
| 35 | Beatrice Dunn | 15 | Daughter | — | Maine |
| 36 | Jesse Dunn | 14 | Son | — | Massachusetts |
| 37 | Robert Dunn | 9 | Son | — | Massachusetts |
| 38 | Yvonne Dunn | 7 | Daughter | — | Massachusetts |
| 39 | Thomas Dunn | 4 | Son | — | 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)