MD
Mary Dugan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Union, New Jersey
Our Model Tree links this Mary Dugan across the 1930 and 1940 US Censuses in Union, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 11-person household.
Age 11
b. ~1919
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Union, New Jersey |
| Surname | Dugan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Westfield Town |
| Est. Birth Year | ~1919 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Barbara Dugan | Daughter | — | 7 | ~1923 |
| Kathryn Dugan | Daughter | — | 24 | ~1906 |
| Helen Dugan | Spouse | — | 50 | ~1880 |
| Mary Dugan | Daughter | — | 23 | ~1907 |
| William Dugan | Son | — | 13 | ~1917 |
| Margaret Dugan | Daughter | — | 18 | ~1912 |
| Richard Dugan | Son | — | 9 | ~1921 |
| Mary Dugan | Daughter | — | 11 | ~1919 |
| Ruth Dugan | Daughter | — | 15 | ~1915 |
| Helen Dugan | Daughter | — | 21 | ~1909 |
| William Dugan | Head | — | 55 | ~1875 |
Census Appearances
1930
Union, New …
Daughter, age 11
Union, New Jersey · implied b. ~1919 — 11 household members
| Surname | Dugan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Daughter, age 21
Union-County, New Jersey · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | DUGAN |
| Given Name | MARGARET |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth city |
| 1935 Residence (County) | Union |
| Occupation | NURSE |
| Industry | PRIVATE FAMILY |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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.
Show:
This person
Anchor record
Mary Dugan
Daughter · 1930 · age 11 · b. ~1919 · New Jersey
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Sibling
Ruth Dugan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dugan
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Dugan
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dugan
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Dugan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Dugan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Dugan
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Dugan
Sibling · 1930 · age 7
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 — Union, New Jersey
Open full size
1930 US Federal Census — Union, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1390:0881)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Carrie Smith | 57 | Head | None | New Jersey |
| 52 | Roy E Smith | 27 | Son | Designer | New Jersey |
| 53 | Mary E Heller | 66 | Head | None | Pennsylvania |
| 54 | Marion Cunningham | 50 | Sister | Nurse | Pennsylvania |
| 55 | Eva Hoffman | 70 | Boarder | Housekeeper | New York |
| 56 | George J Lutz | 55 | Head | Electric Engineer | Kentucky |
| 57 | Nadine E Lutz | 31 | Wife | None | Illinois |
| 58 | Jane Lutz | 3 | Daughter | None | Kentucky |
| 59 | Lillian Bunnell | 25 | Lodger | Bookkeeper | Illinois |
| 60 | Eva B Williams | 30 | Lodger | Electric Engineer | West Virginia |
| 61 | Stanley E Jones | 28 | Head | Salesman | New York |
| 62 | Frances V Jones | 32 | Wife | None | New Jersey |
| 63 | Stanley E Jones | 3 | Son | None | New Jersey |
| 64 | Norman R Jones | 2 | Son | None | New Jersey |
| 65 | George Flynn | 27 | Head | Fleet Manager | New York |
| 66 | Irene Flynn | 27 | Wife | None | New Jersey |
| 67 | Richard Flynn | 2 | Son | None | New Jersey |
| 68 | John J Miller | 27 | Head | Cashier | New York |
| 69 | Lillian Miller | 27 | Wife | None | New York |
| 70 | Charles Lupos | 77 | Head | None | Maryland |
| 71 | Catheryn E Lupos | 75 | Wife | None | New York |
| 72 | Frank E Prudden | 34 | Son-in-law | Salesman | New York |
| 73 | Louise Prudden | 34 | Daughter | Teacher | New Jersey |
| 74 | John Ludlow | 34 | Head | Salesman | New York |
| 75 | Dorothy Ludlow | 31 | Wife | None | New York |
| 76 | Dorothy Ludlow | 5 | Daughter | None | New Jersey |
| 77 | John Ludlow | 2 | Son | None | New Jersey |
| 78 | Thomas Matthews | 43 | Head | Plumber | New York |
| 79 | Stella Matthews | 33 | Wife | None | New York |
| 80 | Janet Matthews | 3 | Daughter | None | New Jersey |
| 81 | George Matthews | 2 | Son | None | New Jersey |
| 82 | George W Mott | 31 | Head | Manager | New Jersey |
| 83 | Alice E Mott | 31 | Wife | Manager | New York |
| 84 | Virginia Mott | 1 | Daughter | None | New Jersey |
| 85 | Lois Mott | 0 | Daughter | None | New Jersey |
| 86 | Lina Rink | 52 | Mother-in-law | Saleswoman | Switzerland |
| 87 | Anthony Michenfelder | 19 | Boarder | Clerk | New York |
| 88 | William J Dugan | 55 | Head | Manager | New Jersey |
| 89 | Helen E Dugan | 50 | Wife | None | New York |
| 90 | Kathryn Dugan | 24 | Daughter | Teacher | New Jersey |
| 91 | Mary J Dugan | 23 | Daughter | Saleslady | New Jersey |
| 92 | Helen M Dugan | 21 | Daughter | None | New Jersey |
| 93 | Margaret Dugan | 18 | Daughter | None | New Jersey |
| 94 | Ruth Dugan | 15 | Daughter | None | New Jersey |
| 95 | William Dugan | 13 | Son | None | New Jersey |
| 96 | Mary Dugan THIS PERSON | 11 | Daughter | None | New Jersey |
| 97 | Richard Dugan | 9 | Son | None | New Jersey |
| 98 | Barbara Dugan | 7 | Daughter | None | New Jersey |
| 99 | Ralph H Bailey | 56 | Head | Vice President | New Jersey |
| 100 | Bailey | 53 | Wife | None | New York |
Related Census Records
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)