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Mary Mcnulty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Mcnulty across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | PHILA CITY |
| 1935 Residence (County) | PHILA |
| Additional Details | |
| Occupation | Operator |
| Industry | Pocket Book Ladies Accessories |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Operator |
| Township / Ward | Phila City |
| Est. Birth Year | ~1912 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Mcnulty | Son | — | 34 | ~1906 |
| William Mcnulty | Head | — | 62 | ~1878 |
| Paul Mcnulty | Son | — | 21 | ~1919 |
| Mary Mcnulty | Daughter | — | 28 | ~1912 |
| Elizabeth Mcnulty | Spouse | — | 61 | ~1879 |
| Francis Mcnulty | Son | — | 30 | ~1910 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 17
Philadelphia, Pennsylvania · implied b. ~1913 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNulty |
| Given Name | Mary H. |
| Relationship to Head | Inmate |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna. |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 28
Philadelphia-County, Pennsylvania · implied b. ~1912 — 6 household members
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | PHILA CITY |
| 1935 Residence (County) | PHILA |
| Occupation | Operator |
| Industry | Pocket Book Ladies Accessories |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 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 Mcnulty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcnulty
Daughter · 1940 · age 28 · b. ~1912 · Pennsylvania
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Sibling
Paul Mcnulty
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcnulty
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcnulty
Sibling · 1940 · age 34
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-t0627-03728-00325)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Murphy | 38 | Head | Truck Driver | Penna |
| 42 | Lillian Murphy | 35 | Wife | — | Penna |
| 43 | William Murphy | 73 | Father | — | Ireland |
| 44 | Annie Murphy | 72 | Mother | — | Ireland |
| 45 | Joseph Herbet | 35 | Head | Salesman | Penna |
| 46 | Marie Herbet | 34 | Wife | — | Penna |
| 47 | Rita Gibbons | 12 | Step Daughter | — | Penna |
| 48 | Harry Bowman | 35 | Head | — | Penna |
| 49 | Helen Bowman | 38 | Wife | Policeman | New Jersey |
| 50 | Gloria Bowman | 16 | Daughter | — | Penna |
| 51 | Harry Jr Bowman | 14 | Son | — | Penna |
| 52 | Mary Bowman | 11 | Daughter | — | Penna |
| 53 | John Gardiner | 43 | Head | Machinist | Scotland |
| 54 | Helen Gardiner | 37 | Wife | — | Scotland |
| 55 | Neil Gardiner | 8 | Son | — | Penna |
| 56 | Joyce Gardiner | 7 | Daughter | — | Penna |
| 57 | Francis Conley | 29 | Head | Driver Salesman | Penna |
| 58 | Agnes Conley | 29 | Wife | — | Penna |
| 59 | Francis Jr Conley | 10 | Son | — | Penna |
| 60 | Agnes Conley | 8 | Daughter | — | Penna |
| 61 | Elizabeth Frees | 65 | Lodger | — | Penna |
| 62 | John Debeski | 45 | Head | Machinist | Penna |
| 63 | Hanna Debeski | 43 | Wife | — | Penna |
| 64 | Mary L Debeski | 16 | Daughter | — | Penna |
| 65 | Ruth Debeski | 14 | Daughter | — | Penna |
| 66 | John Debeski | 12 | Son | — | Penna |
| 67 | Rita Debeski | 8 | Daughter | — | Penna |
| 68 | Joan A. Debeski | 1 | Daughter | — | Penna |
| 69 | Wilfred Kunkel | 35 | Head | Driver | Penna |
| 70 | Edythe Kunkel | 34 | Wife | — | England |
| 71 | Lorraine Kunkel | 3 | Daughter | — | Penna |
| 72 | William J. Mcnulty | 62 | Head | Wheelwright | Penna |
| 73 | Elizabeth Mcnulty | 61 | Wife | — | Penna |
| 74 | William C Mcnulty | 34 | Son | — | Penna |
| 75 | Francis J. Mcnulty | 30 | Son | Wheelwright | Penna |
| 76 | Mary Mcnulty THIS PERSON | 28 | Daughter | Operator | Penna |
| 77 | Paul Mcnulty | 21 | Son | Clerk | Penna |
| 78 | Herbert Sawyer | 26 | Head | Engineer | Penna |
| 79 | Phyllis Sawyer | 23 | Wife | — | Penna |
| 80 | Phyllis Sawyer | 5 | Daughter | — | 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)