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Mary Mulligan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Mary Mulligan across the 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Carbondale City |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Carbondale City |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Madeline Mcnulty | Other | — | 43 | ~1897 |
| Mary Mulligan | Daughter | — | 15 | ~1925 |
| Robert Mulligan | Son | — | 14 | ~1926 |
| Donald Mulligan | Son | — | 19 | ~1921 |
| James Mulligan | Son | — | 7 | ~1933 |
| Ruth Mulligan | Daughter | — | 12 | ~1928 |
| Mary Mcnulty | Other | — | 50 | ~1890 |
| Jack Mulligan | Son | — | 16 | ~1924 |
| Donald Mulligan | Head | — | 42 | ~1898 |
Census Appearances
1930
Lackawanna, Pennsylvania
Other, age 5
Lackawanna, Pennsylvania · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Milligan |
| Given Name | Mary |
| Relationship to Head | niece |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Daughter, age 15
Lackawanna-County, Pennsylvania · implied b. ~1925 — 9 household members
| Surname | Mulligan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Carbondale City |
| 1935 Residence (County) | Lackawanna |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Mulligan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mulligan
Daughter · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Donald Mulligan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mulligan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Mulligan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mulligan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mulligan
Sibling · 1940 · 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
1940 US Federal Census — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03522-00942)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John W Yonkey | 78 | Head | — | Pennsylvania |
| 42 | Bridget Yonkey | 65 | Wife | — | Irish Free State |
| 43 | Frances Yonkey | 45 | Son | Store Keeper | Pennsylvania |
| 44 | Ray Yonkey | 34 | Son | Laborer | Pennsylvania |
| 45 | Frank Lavelle | 62 | Head | Hostler | Pennsylvania |
| 46 | Jane Lavelle | 31 | Daughter | Packer | Pennsylvania |
| 47 | James Mcandrew | 40 | Son-in-law | — | Pennsylvania |
| 48 | Frances Mcandrew | 34 | Daughter | Insurance Agent | Pennsylvania |
| 49 | Mary Mcandrew | 2 | Granddaughter | — | Pennsylvania |
| 50 | Frank D'Albo | 44 | Head | Laborer | Italy |
| 51 | Mary D'Albo | 38 | Wife | — | Pennsylvania |
| 52 | Frank D'Albo | 22 | Son | Truck Driver | Pennsylvania |
| 53 | Santo D'Albo | 34 | Head | Truck Driver | Pennsylvania |
| 54 | Vivian D'Albo | 21 | Wife | — | Michigan |
| 55 | Patricia D'Albo | 1 | Daughter | — | Pennsylvania |
| 56 | Donald Mulligan | 42 | Head | Breaker Worker | Pennsylvania |
| 57 | Donald Jr Mulligan | 19 | Son | New Worker | Pennsylvania |
| 58 | Jack Mulligan | 16 | Son | — | Pennsylvania |
| 59 | Mary Mulligan THIS PERSON | 15 | Daughter | — | Pennsylvania |
| 60 | Robert Mulligan | 14 | Son | — | Pennsylvania |
| 61 | Ruth Ann Mulligan | 12 | Daughter | — | Pennsylvania |
| 62 | James Mulligan | 7 | Son | — | Pennsylvania |
| 63 | Mary Mcnulty | 50 | Sister-in-law | Sweeper | Pennsylvania |
| 64 | Madeline Mcnulty | 43 | Sister-in-law | Seamstress | Pennsylvania |
| 65 | Pasquale Perri | 61 | Head | Track Gate | Italy |
| 66 | Angela Perri | 57 | Wife | — | Italy |
| 67 | Tony Perri | 18 | Son | New Worker | Pennsylvania |
| 68 | Joseph Perri | 16 | Son | — | Pennsylvania |
| 69 | John Vallano | 50 | Head | Car Repairer | Italy |
| 70 | Madeline Vallano | 44 | Wife | — | Italy |
| 71 | Mary Vallano | 23 | Daughter | Housekeeper | Pennsylvania |
| 72 | Frances Vallano | 21 | Daughter | Turner | Pennsylvania |
| 73 | Michael Vallano | 19 | Son | Mechanic | Pennsylvania |
| 74 | Angeline Vallano | 17 | Daughter | — | Pennsylvania |
| 75 | Anthony Vallano | 15 | Son | — | Pennsylvania |
| 76 | Thomas Vallano | 14 | Son | — | Pennsylvania |
| 77 | Jennie Vallano | 12 | Daughter | — | Pennsylvania |
| 78 | Joseph Vallano | 8 | Son | — | Pennsylvania |
| 79 | Louis Montanaro | 54 | Head | Car Repairer | Italy |
| 80 | Dolores Montanaro | 44 | Wife | — | Italy |
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)