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Mary Mcnulty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Mary Mcnulty across the 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Scranton |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Scranton |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| Margaret Mcnulty | Daughter | — | 16 | ~1924 |
| Eleanor Mcnulty | Daughter | — | 17 | ~1923 |
| Dorothy Mcnulty | Daughter | — | 9 | ~1931 |
| Martin Mcnulty | Son | — | 13 | ~1927 |
| Margaret Mcnulty | Spouse | — | 36 | ~1904 |
| James Mcnulty | Son | — | 6 | ~1934 |
| Edward Mcnulty | Son | — | 11 | ~1929 |
| Mary Mcnulty | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Lackawanna, Pennsylvania
Daughter, age 4
Lackawanna, Pennsylvania · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| 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 14
Lackawanna-County, Pennsylvania · implied b. ~1926 — 8 household members
| Surname | McNulty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Scranton |
| 1935 Residence (County) | Lackawanna |
| 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 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 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Edward Mcnulty
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mcnulty
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcnulty
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcnulty
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Mcnulty
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Mcnulty
Sibling · 1940 · age 17
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-t0627-03683-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Mcnulty | 36 | Wife | Charwoman | Pennsylvania |
| 42 | Eleanor Mcnulty | 17 | Daughter | — | Pennsylvania |
| 43 | Margaret Mcnulty | 16 | Daughter | — | Pennsylvania |
| 44 | Mary Mcnulty THIS PERSON | 14 | Daughter | — | Pennsylvania |
| 45 | Martin Jr. Mcnulty | 13 | Son | — | Pennsylvania |
| 46 | Edward Mcnulty | 11 | Son | — | Pennsylvania |
| 47 | Dorothy Mcnulty | 9 | Daughter | — | Pennsylvania |
| 48 | James Mcnulty | 6 | Son | — | Pennsylvania |
| 49 | Martin Mcguire | 61 | Head | Stoker | Northern Ireland |
| 50 | Mary Mcguire | 57 | Wife | — | Pennsylvania |
| 51 | Mary Mcguire | 27 | Daughter | Sales Clerk | Pennsylvania |
| 52 | Martin Jr. Mcguire | 16 | Son | — | Pennsylvania |
| 53 | John Koizer | 31 | Head | Footman | Pennsylvania |
| 54 | Helen Koizer | 26 | Wife | — | Pennsylvania |
| 55 | Delores Koizer | 5 | Daughter | — | Pennsylvania |
| 56 | Ann Marie Koizer | 1 | Daughter | — | Pennsylvania |
| 57 | Stanley Vinko | 56 | Head | Laborer | Poland |
| 58 | Lottie Vinko | 44 | Wife | — | Poland |
| 59 | Bridget Vinko | 20 | Daughter | Sewing | New Jersey |
| 60 | Helen Vinko | 17 | Daughter | — | Pennsylvania |
| 61 | Joseph Vinko | 15 | Son | — | Pennsylvania |
| 62 | Casimir Vinko | 13 | Son | — | Pennsylvania |
| 63 | Edward Vinko | 12 | Son | — | Pennsylvania |
| 64 | Henry Vinko | 10 | Son | — | Pennsylvania |
| 65 | Theresa Graycoski | 25 | Daughter | — | Pennsylvania |
| 66 | William Mcnulty | 41 | Head | Laborer | Pennsylvania |
| 67 | Beatrice Mcnulty | 31 | Wife | — | Pennsylvania |
| 68 | Ruth Mcnulty | 13 | Daughter | — | Pennsylvania |
| 69 | Elizabeth Mcnulty | 11 | Daughter | — | Pennsylvania |
| 70 | William Mcnulty | 9 | Son | — | Pennsylvania |
| 71 | June Mcnulty | 7 | Daughter | — | Pennsylvania |
| 72 | Mary Lou Mcnulty | 5 | Daughter | — | Pennsylvania |
| 73 | Elizabeth Warman | 36 | Sister-in-law | Housekeeper | Pennsylvania |
| 74 | Narcis Mercada | 35 | Head | Laborer | Mexico |
| 75 | Rose Mercada | 30 | Wife | — | Pennsylvania |
| 76 | Raymond Mercada | 9 | Son | — | Pennsylvania |
| 77 | Maria Mercada | 8 | Daughter | — | Pennsylvania |
| 78 | Delores Mercada | 6 | Daughter | — | Pennsylvania |
| 79 | Catherine Mercada | 3 | Daughter | — | Pennsylvania |
| 80 | Angela Mercada | 2 | Daughter | — | Pennsylvania |
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)