MD
Mary Dugan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Providence, Rhode Island
Our Model Tree links this Mary Dugan across the 1930 and 1940 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 15-person household.
Age 52
b. ~1878
Female
Head
Born: Rhode Island
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Providence, Rhode Island |
| Surname | Dugan |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 26.00 |
| Radio Set | R |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Pawtucket City |
| Est. Birth Year | ~1878 |
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.
15 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alma Larson | Other | — | 46 | ~1884 |
| Joseph Dugan | Son | — | 22 | ~1908 |
| Mary Dugan | Head | — | 52 | ~1878 |
| Norman Larson | Son | — | 11 | ~1919 |
| Francis Foley | Son | — | 2 | ~1928 |
| Florence Larson | Daughter | — | 21 | ~1909 |
| Catherine Dugan | Daughter | — | 19 | ~1911 |
| John Dolan | Other | — | 47 | ~1883 |
| John Foley | Son | — | 8 | ~1922 |
| Anna Foley | Spouse | — | 30 | ~1900 |
| John Foley | Other | — | 43 | ~1887 |
| Irene Larson | Daughter | — | 14 | ~1916 |
| Alfred Larson | Son | — | 19 | ~1911 |
| Helmar Larson | Son | — | 17 | ~1913 |
| Nora Dugan | Daughter | — | 17 | ~1913 |
Census Appearances
1930
Providence, Rhode …
Head, age 52
Providence, Rhode Island · implied b. ~1878 — 15 household members
| Surname | Dugan |
| Given Name | Mary J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 26.00 |
| Radio Set | R |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Spouse, age 67
Providence-County, Rhode Island · implied b. ~1873 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duggan |
| Given Name | Mary V. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Providence City |
| 1935 Residence (County) | Providence |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Mary Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Dugan
Head · 1930 · age 52 · b. ~1878 · Rhode Island
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Providence, Rhode Island
Open full size
1930 US Federal Census — Providence, Rhode Island
Page Contents
15 people indexed on this census page (ia:1930:15thcensus2173unit:0782)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary J. Dugan THIS PERSON | 52 | Head | — | Rhode Island |
| 2 | Joseph P. Dugan | 22 | Son | Messenger | Rhode Island |
| 3 | Catherine L. Dugan | 19 | Daughter | Saleslady | Rhode Island |
| 4 | Nora G. Dugan | 17 | Daughter | — | Rhode Island |
| 5 | John J. Foley | 43 | O | Manager | Rhode Island |
| 6 | Anna M. Foley | 30 | Wife | Inspector | Rhode Island |
| 7 | John J. Jr. Foley | 8 | Son | — | Rhode Island |
| 8 | Francis Foley | 2 | Son | — | Rhode Island |
| 9 | John F. Dolan | 47 | R | Laborer | Rhode Island |
| 15 | Alma Larson | 46 | R | — | Sweden |
| 16 | Florence Larson | 21 | Daughter | Specter | Rhode Island |
| 17 | Alfred Larson | 19 | Son | Salesman | Rhode Island |
| 18 | Helmar Larson | 17 | Son | Helper | Rhode Island |
| 19 | Irene Larson | 14 | Daughter | — | Rhode Island |
| 20 | Norman Larson | 11 | Son | — | Rhode Island |
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)