MD
Mary Duggan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Queens, New York
Our Model Tree links this Mary Duggan across the 1930 and 1940 US Censuses in Queens, New York (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 8-person household.
Age 41
b. ~1889
Female
Spouse
Born: Rhode Island
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Queens, New York |
| Surname | Duggan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | New York City |
| Est. Birth Year | ~1889 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eugene Duggan | Head | — | 40 | ~1890 |
| Mary Duggan | Spouse | — | 41 | ~1889 |
| Louis Costakis | Other | — | 29 | ~1901 |
| Frances Duggan | Daughter | — | 9 | ~1921 |
| Agnes Duggan | Daughter | — | 5 | ~1925 |
| Rose Duggan | Daughter | — | 6 | ~1924 |
| Rita Duggan | Daughter | — | 12 | ~1918 |
| Eugenia Duggan | Daughter | — | 10 | ~1920 |
Census Appearances
1930
Queens, New …
Spouse, age 41
Queens, New York · implied b. ~1889 — 8 household members
| Surname | Duggan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Westchester-County, New …
Spouse, age 50
Westchester-County, New York · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Yonkers city |
| 1935 Residence (County) | Westchester |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Duggan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Duggan
Spouse · 1930 · age 41 · b. ~1889 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Queens, New York
Open full size
1930 US Federal Census — Queens, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1584:0160)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Georgia Severy | 8 | Daughter | — | New York |
| 2 | Irene Severy | 4 | Daughter | — | New York |
| 3 | Chris Severy | 1 | Son | — | New York |
| 4 | Angelo Costakis | 38 | Bro-in-law | Waiter | Turkey |
| 5 | George Cofalites | 34 | Bro-in-law | Proprietor | Turkey |
| 6 | Catherine Cofalites | 31 | Sister | — | Turkey |
| 7 | James Calligeros | 40 | Head | Manager | Greece |
| 8 | Mary Calligeros | 31 | Wife | — | Greece |
| 9 | Anthony Calligeros | 4 | Son | — | New York |
| 10 | Mick Calligeros | 2 | Son | — | New York |
| 11 | Nick James | 44 | Head | Manager | Greece |
| 12 | Catherine James | 25 | Wife | — | Greece |
| 13 | Helen James | 8 | Daughter | — | New York |
| 14 | Andrew Teschies | 38 | Head | Chauffeur | Italy |
| 15 | Daisy Teschies | 38 | Wife | Secretary | England |
| 16 | Dorothy Teschies | 8 | Daughter | — | New York |
| 17 | Martha Teschies | 6 | Daughter | — | New York |
| 18 | Elizabeth Boccignava | 65 | Mother-in-law | — | England |
| 19 | Joseph Nathan | 34 | Head | Upholstery | Turkey |
| 20 | Alegra Nathan | 32 | Wife | — | Turkey |
| 21 | Esther Nathan | 8 | Daughter | — | New York |
| 22 | Benney Nathan | 7 | Son | — | New York |
| 23 | Max Nathan | 3 | Son | — | New York |
| 24 | Joseph Davino | 47 | Head | Waiter | Italy |
| 25 | Elizabeth Davino | 42 | Wife | — | Italy |
| 26 | Theresa Davino | 20 | Daughter | — | New York |
| 27 | Frank Davino | 19 | Son | Machinist | New York |
| 28 | Fred Davino | 15 | Son | Upholstery | New York |
| 29 | Louis Davino | 11 | Son | — | New York |
| 30 | Eugene Duggan | 40 | Head | Steward | New York |
| 31 | Mary Duggan THIS PERSON | 41 | Wife | — | Rhode Island |
| 32 | Rita Duggan | 12 | Daughter | — | New York |
| 33 | Eugenia Duggan | 10 | Daughter | — | New York |
| 34 | Frances Duggan | 9 | Daughter | — | New York |
| 35 | Rose Duggan | 6 | Daughter | — | New York |
| 36 | Agnes Duggan | 5 | Daughter | — | New York |
| 37 | Louis Costakis | 29 | Boarder | Chef | Turkey |
| 38 | Herman Klein | 32 | Head | Operator | Russia |
| 39 | Esther Klein | 32 | Wife | — | Poland |
| 40 | Freda Klein | 10 | Daughter | — | Buenos Ayres |
| 41 | Matilda Klein | 8 | Daughter | — | New York |
| 42 | Minnie Klein | 7 | Daughter | — | New York |
| 43 | Eleonore Klein | 2 | Daughter | — | New York |
| 44 | Harry Bossick | 64 | Head | Presser | Poland |
| 45 | Sophie Bossick | 55 | Wife | — | Poland |
| 46 | Sam Rosnick | 38 | Head | Carpenter | Russia |
| 47 | Mollie Rosnick | 35 | Wife | — | Poland |
| 48 | Paul Bossick | 34 | Head | Operator | Poland |
| 49 | Sarah Bossick | 26 | Wife | — | Poland |
| 50 | Max Bossick | 6 | Son | — | New York |
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)