JD
James Dugan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this James Dugan across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 7-person household.
Age 24
b. ~1906
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Laborer |
| Industry | Stone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Boston City |
| Est. Birth Year | ~1906 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Dugan | Spouse | — | 51 | ~1879 |
| Mary Hittard | Daughter | — | 15 | ~1915 |
| James Dugan | Son | — | 24 | ~1906 |
| John Hittard | Son | — | 11 | ~1919 |
| Daniel Dugan | Head | — | 51 | ~1879 |
| Helen Hittard | Daughter | — | 14 | ~1916 |
| Agnes Hittard | Daughter | — | 23 | ~1907 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 24
Suffolk, Massachusetts · implied b. ~1906 — 7 household members
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Laborer |
| Industry | Stone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Other, age 35
Suffolk-County, Massachusetts · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duggan |
| Given Name | James |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Occupation | Steamfitter |
| Industry | Building trade |
| Class of Worker | PW |
| Income (1939) | 840 |
| Highest Grade | No 0 |
| 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 Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dugan
Son · 1930 · age 24 · b. ~1906 · Massachusetts
★ You are viewing this record
Sibling
Mary Hittard
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hittard
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Hittard
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hittard
Sibling · 1930 · age 14
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
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel942:1104)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Harrington | 14 | Son | — | Massachusetts |
| 2 | Catherine Harrington | 12 | Daughter | — | Massachusetts |
| 3 | Gertrude Harrington | 10 | Daughter | — | Massachusetts |
| 4 | Peter Harrington | 6 | Son | — | Massachusetts |
| 5 | Theresa Harrington | 4 | Daughter | — | Massachusetts |
| 6 | James Harrington | 1 | Son | — | Massachusetts |
| 7 | Thomas Makers | 55 | Head | Teamster | Irish Free State |
| 8 | Mary Makers | 54 | Wife | — | Irish Free State |
| 9 | John Buckley | 4 | Adopted | — | Massachusetts |
| 10 | Chas J Keating | 57 | Head | Chipper | Irish Free State |
| 11 | Mary A Keating | 52 | Wife | — | Irish Free State |
| 12 | Mary E Keating | 13 | Daughter | — | Massachusetts |
| 13 | Mary F Flynn | 25 | Niece | — | Irish Free State |
| 14 | Catherine E Sweeney | 56 | Head | — | Massachusetts |
| 15 | Mary A Sweeney | 59 | Sister | Forelady | Massachusetts |
| 16 | Agnes J Sweeney | 50 | Sister | Binder | Massachusetts |
| 17 | Charles E Sweeney | 46 | Brother | Salesman | Massachusetts |
| 18 | Mary Donovan | 40 | Head | — | Massachusetts |
| 19 | Helen J Donovan | 20 | Daughter | Operator | Massachusetts |
| 20 | Catherine Donovan | 18 | Daughter | Packer | Massachusetts |
| 21 | John Donovan | 17 | Son | — | Massachusetts |
| 22 | James J Dooley | 54 | Head | Baker | Irish Free State |
| 23 | Mary A Dooley | 54 | Wife | — | Irish Free State |
| 24 | James J Dooley | 22 | Son | Stenographer | Massachusetts |
| 25 | John J Dooley | 18 | Son | Shipper | Massachusetts |
| 26 | Robert J Seeley | 46 | Head | Inspector | Irish Free State |
| 27 | Elizabeth M Seeley | 35 | Wife | Inspector | Massachusetts |
| 28 | Margaret F Seeley | 17 | Daughter | — | Massachusetts |
| 29 | Adeline R Seeley | 13 | Daughter | — | Massachusetts |
| 30 | James Porter | 54 | Head | Oiler | Irish Free State |
| 31 | Sarah Porter | 51 | Wife | — | Scotland |
| 32 | Daniel H Dugan | 51 | Head | Pensioned | Massachusetts |
| 33 | Margaret H Dugan | 51 | Wife | — | Massachusetts |
| 34 | James Dugan THIS PERSON | 24 | Son | Laborer | Massachusetts |
| 35 | Agnes Hittard | 23 | Daughter | Packer | Massachusetts |
| 36 | Mary Hittard | 15 | Daughter | — | Massachusetts |
| 37 | Helen Hittard | 14 | Daughter | — | Massachusetts |
| 38 | John Hittard | 11 | Son | — | Massachusetts |
| 39 | William Beauregard | 31 | Head | Freight Handler | Canada French |
| 40 | Mary Beauregard | 28 | Wife | — | Massachusetts |
| 41 | Anna B Beauregard | 5 | Daughter | — | Massachusetts |
| 42 | Bernadette M Beauregard | 3 | Daughter | — | Massachusetts |
| 43 | Winifred M Beauregard | 1 | Daughter | — | Massachusetts |
| 44 | Margaret Campbell | 39 | Head | — | Massachusetts |
| 45 | Winifred Campbell | 18 | Daughter | — | Massachusetts |
| 46 | John Campbell | 16 | Son | — | Massachusetts |
| 47 | Francis Campbell | 13 | Son | — | Massachusetts |
| 48 | James Campbell | 11 | Son | — | Massachusetts |
| 49 | Sadie Campbell | 9 | Daughter | — | Massachusetts |
| 50 | Margaret Campbell | 6 | Daughter | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)