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Mary Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Mullen across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Mullen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1923 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Clara Mullen | Daughter | — | 18 | ~1922 |
| Gertrude Mullen | Daughter | — | 11 | ~1929 |
| Josephine Mullen | Daughter | — | 22 | ~1918 |
| Mary Mullen | Daughter | — | 17 | ~1923 |
| Louise Mullen | Daughter | — | 2 | ~1938 |
| Mitchell Mullen | Head | — | 42 | ~1898 |
| George Mullen | Son | — | 25 | ~1915 |
| Clara Mullen | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 7
Philadelphia, Pennsylvania · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 17
Philadelphia-County, Pennsylvania · implied b. ~1923 — 8 household members
| Surname | Mullen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Mullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mullen
Daughter · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Clara Mullen
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mullen
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Mullen
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Mullen
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Mullen
Sibling · 1940 · age 11
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
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03718-00560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen D Marley | 52 | Wife | — | Penna |
| 42 | Mildred Marley | 26 | Daughter | Clerk | Penna |
| 43 | Albert Marley | 24 | Son | Fireman | Penna |
| 44 | Eleanor Landrum | 29 | Daughter | — | Penna |
| 45 | Joan Landrum | 4 | Granddaughter | — | Penna |
| 46 | William Landrum | 3 | Grandson | — | Penna |
| 47 | Frank Landrum | 1 | Grandson | — | Penna |
| 48 | Harry Dunlap | 40 | Head | Clerk | Penna |
| 49 | Jean D Dunlap | 36 | Wife | — | Penna |
| 50 | Joseph Desiles | 29 | Husband | Hairdresser | Penna |
| 51 | Dorothy Desiles | 18 | Wife | — | Penna |
| 52 | Joseph Desiles | 1 | Son | — | Penna |
| 53 | Earl Stokes | 35 | Head | Truck Driver | New Jersey |
| 54 | Shirley Stokes | 29 | Wife | — | New Jersey |
| 55 | Norma Stokes | 2 | Daughter | — | Penna |
| 56 | Charles Stokes | 0 | Son | — | Penna |
| 57 | Mamie A Schaller | 66 | Head | — | Penna |
| 58 | Catherine Pendleton | 68 | Lodger | Teacher | New Jersey |
| 59 | Joseph Truck | 51 | Lodger | Manager | Penna |
| 60 | Blanche Cary | 59 | Sister | — | Penna |
| 61 | Truman Dermen | 52 | Head | Clerk | Penna |
| 62 | Laura Dermen | 50 | Wife | — | Penna |
| 63 | George Bentz | 25 | Lodger | Trooper | Penna |
| 64 | Harry Green | 82 | Father | — | Penna |
| 65 | Isaac Kushnir | 60 | Head | Tailor | Russia |
| 66 | Elizabeth Kushnir | 54 | Wife | — | Russia |
| 67 | Jacob Kushnir | 26 | Son | Clerk | Penna |
| 68 | Harriet Guthrie | 26 | Lodger | Nurse | Penna |
| 69 | Ida Schwartz | 76 | Head | — | Penna |
| 70 | Edna Schwartz | 60 | Sister | Stenog | Penna |
| 71 | Isabella Hendricks | 35 | Lodger | — | Canada |
| 72 | Mitchell Mullen | 42 | Head | Checker | Penna |
| 73 | Clara Mullen | 46 | Wife | — | Penna |
| 74 | George Mullen | 25 | Son | — | Maryland |
| 75 | Josephine Mullen | 22 | Daughter | Secretary | Rhode Island |
| 76 | Clara Mullen | 18 | Daughter | — | Penna |
| 77 | Mary Mullen THIS PERSON | 17 | Daughter | — | Penna |
| 78 | Gertrude Mullen | 11 | Daughter | — | Penna |
| 79 | Louise Mullen | 2 | Daughter | — | Penna |
| 80 | William Atley | 44 | Head | — | Penna |
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)