JD
James Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this James Dunn across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 6-person household.
Age 41
b. ~1899
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Dunn |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Hingham (Town) |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Public Taxi |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 1820 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Hingham Town |
| Est. Birth Year | ~1899 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Dunn | Daughter | — | 13 | ~1927 |
| Ann Dunn | Daughter | — | 10 | ~1930 |
| Carol Dunn | Daughter | — | 7 | ~1933 |
| James Dunn | Head | — | 41 | ~1899 |
| James Dunn | Son | — | 12 | ~1928 |
| Elizabeth Dunn | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Plymouth, Massachusetts
Other, age 23
Plymouth, Massachusetts · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | James |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | Private School |
| Class of Worker | w |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Head, age 31
Plymouth, Massachusetts · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 21 |
| Radio Set | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Head, age 41
Plymouth-County, Massachusetts · implied b. ~1899 — 6 household members
| Surname | Dunn |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Hingham (Town) |
| 1935 Residence (County) | Plymouth |
| Occupation | Chauffeur |
| Industry | Public Taxi |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 1820 |
| Highest Grade | No 7 |
| 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 James Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dunn
Head · 1940 · age 41 · b. ~1899 · 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01638-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frances A Young | 33 | Wife | — | New Jersey |
| 2 | Wallace F Young | 7 | Son | — | New York |
| 3 | Mary Agnes Young | 6 | Daughter | — | New York |
| 4 | John Raymond Young | 4 | Son | — | Massachusetts |
| 5 | Edward Howe | 56 | Head | — | Massachusetts |
| 6 | Frances Cronin | 62 | Sister | Bookkeeper | Massachusetts |
| 7 | Ann Howe | 60 | Sister | Clerk | Massachusetts |
| 8 | Frances Howe | 14 | Niece | — | Massachusetts |
| 9 | James Dunn THIS PERSON | 41 | Head | Chauffeur | Massachusetts |
| 10 | Elizabeth Dunn | 40 | Wife | — | Massachusetts |
| 11 | Mary E Dunn | 13 | Daughter | — | Massachusetts |
| 12 | James R Dunn | 12 | Son | — | Massachusetts |
| 13 | Ann Dunn | 10 | Daughter | — | Massachusetts |
| 14 | Carol Dunn | 7 | Daughter | — | Massachusetts |
| 15 | Harold Bourne | 46 | Head | Salesman | Connecticut |
| 16 | Emily B Bourne | 46 | Wife | — | Massachusetts |
| 17 | Courtlandt Bourne | 19 | Son | New Worker | Massachusetts |
| 18 | Olive Mangan | 25 | Daughter | — | Massachusetts |
| 19 | Jacqueline Mangan | 4 | Daughter | — | Massachusetts |
| 20 | Carol Mangan | 3 | Daughter | — | Massachusetts |
| 21 | Frederick Thompson | 23 | Roomer | Chef | Maine |
| 22 | Nicola Caparotta | 40 | Head | Tailor | Italy |
| 23 | Josephine Caparotta | 35 | Wife | — | Massachusetts |
| 24 | Rudolph Caparotta | 13 | Son | — | Massachusetts |
| 25 | Catherine Caparotta | 10 | Daughter | — | Massachusetts |
| 26 | Rose Caparotta | 5 | Daughter | — | Massachusetts |
| 27 | Nicola Caparotta | 3 | Son | — | Massachusetts |
| 28 | Amos Humphrey | 80 | Head | Butcher | Massachusetts |
| 29 | Henrietta Humphrey | 74 | Wife | — | Massachusetts |
| 30 | Alvin Perry | 26 | Boarder | Clerk | California |
| 31 | Carl G Persson | 40 | Head | Civil Engineer | Sweden |
| 32 | Harriet A Persson | 39 | Wife | — | Massachusetts |
| 33 | Stig Arnd Persson | 8 | Son | — | Massachusetts |
| 34 | Hans Thomas Persson | 2 | Son | — | Massachusetts |
| 35 | Sigrid Huovinen | 25 | Maid | Maid | Massachusetts |
| 36 | Ira G Hersey | 80 | Head | President | Massachusetts |
| 37 | Hannah K Hersey | 80 | Wife | — | Massachusetts |
| 38 | Julia Capilon | 57 | Maid | Maid | Ireland |
| 39 | Richard J Daly | 56 | Head | Grocery Clerk | Ireland |
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)