MD
Mary Dugan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Dugan across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 3-person household.
Age 73
b. ~1867
Female
Head
Born: IRELAND
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | DUGAN |
| Given Name | MARY |
| Relationship to Head | HEAD |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | IRELAND |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | PHILADELPHIA |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1867 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Dugan | Other | — | 80 | ~1860 |
| Thomas Dugan | Son | — | 35 | ~1905 |
| Mary Dugan | Head | — | 73 | ~1867 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 55
Philadelphia, Pennsylvania · implied b. ~1865 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Leather worker |
| Industry | mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1892 |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Other, age 65
Philadelphia, Pennsylvania · implied b. ~1865 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | Margaret |
| Relationship to Head | mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 73
Philadelphia-County, Pennsylvania · implied b. ~1867 — 3 household members
| Surname | DUGAN |
| Given Name | MARY |
| Relationship to Head | HEAD |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | IRELAND |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | PHILADELPHIA |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| 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 Mary 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
Mary Dugan
Head · 1940 · age 73 · b. ~1867 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
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1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03729-00170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sander Stern | 20 | SON | — | PENNSYLVANIA |
| 2 | Sidney Stern | 14 | SON | — | PENNSYLVANIA |
| 3 | Diane Stern | 5 | DAUGHTER | — | PENNSYLVANIA |
| 4 | Grace Sherman | 27 | DAUGHTER | Canvasser | PENNSYLVANIA |
| 5 | Eileen Sherman | 7 | DAUGHTER | — | PENNSYLVANIA |
| 6 | John Pelosi | 49 | HEAD | Barber | ITALY |
| 7 | Mary Pelosi | 42 | WIFE | — | ITALY |
| 8 | Helen Pelosi | 22 | DAUGHTER | Clothing Finisher | PENNSYLVANIA |
| 9 | Benjamin Pelosi | 21 | SON | Huckster | PENNSYLVANIA |
| 10 | Angeline Pelosi | 19 | DAUGHTER | Dress Trimmer | PENNSYLVANIA |
| 11 | John Pelosi | 17 | SON | M B W | PENNSYLVANIA |
| 12 | George Pelosi | 14 | SON | — | PENNSYLVANIA |
| 13 | Charles Pelosi | 11 | SON | — | PENNSYLVANIA |
| 14 | Mary Dugan THIS PERSON | 73 | HEAD | — | IRELAND |
| 15 | Thomas Dugan | 35 | SON | Sheet Metal Worker | PENNSYLVANIA |
| 16 | Mary Dugan | 80 | SISTER IN LAW | — | IRELAND |
| 17 | Tom Piccarrello | 29 | HEAD | Huckster | ITALY |
| 18 | Mary Piccarrello | 27 | WIFE | — | ITALY |
| 19 | Michael Piccarrello | 5 | SON | — | PENNSYLVANIA |
| 20 | Rosario Piccarrello | 4 | SON | — | PENNSYLVANIA |
| 21 | Raymond Sullivan | 40 | HEAD | Cook | SOUTH CAROLINA |
| 22 | Lottie Sullivan | 41 | WIFE | Domestic | PENNSYLVANIA |
| 23 | Raymond Sullivan | 6 | GRAND SON | — | PENNSYLVANIA |
| 24 | Marie Mcgarvey | 39 | HEAD | — | PENNSYLVANIA |
| 25 | James Mcgarvey | 40 | BROTHER | Machinist | PENNSYLVANIA |
| 26 | William Mcgarvey | 37 | BROTHER | Policeman | PENNSYLVANIA |
| 27 | Matthew Mcgarvey | 33 | BROTHER | Chauffer | PENNSYLVANIA |
| 28 | Phillip Tompkins | 44 | HEAD | Stevedore | VIRGINIA |
| 29 | Josephine Tompkins | 30 | WIFE | — | GEORGIA |
| 30 | Mattie Thaxter | 24 | LODGER | Trimmer | GEORGIA |
| 31 | Sidney Thaxter | 30 | LODGER | 2Nd Cook | WEST INDIES JAMAICA |
| 32 | William Gallagher | 62 | HEAD | Waiter | PENNSYLVANIA |
| 33 | Mary Gallagher | 68 | WIFE | — | IRELAND |
| 34 | George Stratford | 46 | HEAD | Janitor | SOUTH CAROLINA |
| 35 | Elizabeth Stratford | 43 | WIFE | — | VIRGINIA |
| 36 | William E. Stratford | 20 | SON | Butcher | VIRGINIA |
| 37 | George Stratford | 15 | SON | — | PENNSYLVANIA |
| 38 | Edward Stratford | 10 | SON | — | PENNSYLVANIA |
| 39 | James Stratford | 9 | SON | — | PENNSYLVANIA |
| 40 | Sarah Blair | 37 | HEAD | — | GEORGIA |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)