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John Dugan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Dugan across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 7-person household.
Age 58
b. ~1872
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Dugan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1883 |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1872 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Dugan | Son | — | 12 | ~1918 |
| Margaret Dugan | Daughter | — | 16 | ~1914 |
| John Dugan | Head | — | 58 | ~1872 |
| Joseph Dugan | Son | — | 15 | ~1915 |
| Amelia Dugan | Other | — | 35 | ~1895 |
| Mary Dugan | Daughter | — | 18 | ~1912 |
| Matilda Dugan | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 51
Philadelphia, Pennsylvania · implied b. ~1869 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Tailor |
| Industry | Dept Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Head, age 58
Philadelphia, Pennsylvania · implied b. ~1872 — 7 household members
| Surname | Dugan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1883 |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 70
Philadelphia-County, Pennsylvania · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duggan |
| Given Name | John G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Occupation | 0 |
| Class of Worker | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 John Dugan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Dugan
Head · 1930 · age 58 · b. ~1872 · Pennsylvania
★ 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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2093:0578)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frances Di Francesco | 21 | Boarder | Stenographer | Penna |
| 52 | Catherine Di Francesco | 18 | Daughter | — | Penna |
| 53 | Anna Di Francesco | 15 | Daughter | — | Penna |
| 54 | Rose Di Francesco | 13 | Daughter | — | Penna |
| 55 | Helen Di Francesco | 10 | Daughter | — | Penna |
| 56 | Ernest Di Francesco | 8 | Son | — | Penna |
| 57 | Jeremiah Hammer | 40 | Head | — | Penna |
| 58 | Mary Hammer | 38 | Wife | — | Penna |
| 59 | Catherine Hammer | 15 | Daughter | — | Penna |
| 60 | Jeremiah Hammer | 11 | Son | — | Penna |
| 61 | William Hammer | 8 | Son | — | Penna |
| 62 | Frank Hammer | 5 | Son | — | Penna |
| 63 | Joseph Hammer | 2 | Son | — | Penna |
| 64 | John Dugan THIS PERSON | 58 | Head | — | Ireland |
| 65 | Matilda Dugan | 48 | Wife | — | Ireland |
| 66 | Amelia Dugan | 35 | Lodger | Loom Fixer | Penna |
| 67 | Mary Dugan | 18 | Daughter | None | Penna |
| 68 | Margaret Dugan | 16 | Daughter | Packer | Penna |
| 69 | Joseph Dugan | 15 | Son | — | Penna |
| 70 | John Dugan | 12 | Son | — | Penna |
| 71 | James Culinda | 65 | Head | Stone Cutter | Italy |
| 72 | John Culinda | 22 | Son | Cutter | Penna |
| 73 | Pasquale Formicola | 60 | Head | — | Italy |
| 74 | Mary Formicola | 53 | Wife | None | Italy |
| 75 | Evelyn Formicola | 25 | Daughter | — | Penna |
| 76 | James Formicola | 22 | Son | — | Penna |
| 77 | Charles Formicola | 21 | Son | Attendant | Penna |
| 78 | Emily Formicola | 16 | Daughter | — | Penna |
| 79 | John Formicola | 13 | Son | — | Penna |
| 80 | Dominic Gentile | 50 | Head | Store Keeper | Italy |
| 81 | Josephine Gentile | 49 | Wife | None | Italy |
| 82 | John Gentile | 24 | Son | Driver | Penna |
| 83 | Mildred Gentile | 22 | Daughter | Cigar Maker | Penna |
| 84 | Rose Gentile | 19 | Daughter | None | Italy |
| 85 | Lucy Gentile | 16 | Daughter | None | Penna |
| 86 | Marie Gentile | 14 | Daughter | — | Penna |
| 87 | Albert Gentile | 13 | Son | — | Penna |
| 88 | Joseph Gentile | 12 | Son | — | Penna |
| 89 | Grace Gentile | 10 | Daughter | — | Penna |
| 90 | Robert Gentile | 9 | Son | — | Penna |
| 91 | James Collica | 36 | Head | — | Italy |
| 92 | Catherine Collica | 38 | Wife | — | Italy |
| 93 | James Collica | 6 | Son | — | Penna |
| 94 | Eddie Collica | 4 | Son | — | Penna |
| 95 | John Collica | 2 | Son | — | Penna |
| 96 | Frank Delcorio | 55 | Head | Auto Repair | Italy |
| 97 | Jennie Delcorio | 54 | Wife | None | Italy |
| 98 | Mildred Delcorio | 22 | Daughter | None | Penna |
| 99 | Frank Delcorio | 18 | Son | Auto Mechanic | Penna |
| 100 | Thomas Delcorio | 16 | Son | — | Penna |
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)