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Margaret Mcdermott — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Margaret Mcdermott across the 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: PENNSYLVANIA
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | MCDERMOTT |
| Given Name | MARGARET |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | WINTON |
| 1935 Residence (County) | LACKAWANNA |
| Additional Details | |
| Occupation | DRESS MAKER |
| Industry | DRESS FACTORY |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Dressmaker |
| Township / Ward | Winton |
| Est. Birth Year | ~1918 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| William Mcdermott | Head | — | 54 | ~1886 |
| Anna Mcdermott | Spouse | — | 51 | ~1889 |
| Catherine Mcdermott | Daughter | — | 17 | ~1923 |
| Helen Mcdermott | Daughter | — | 20 | ~1920 |
| Margaret Mcdermott | Daughter | — | 22 | ~1918 |
| Joseph Mcdermott | Son | — | 9 | ~1931 |
Census Appearances
1920
Lackawanna, Pennsylvania
Daughter, age 2
Lackawanna, Pennsylvania · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lackawanna, Pennsylvania
Daughter, age 12
Lackawanna, Pennsylvania · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Daughter, age 22
Lackawanna-County, Pennsylvania · implied b. ~1918 — 6 household members
| Surname | MCDERMOTT |
| Given Name | MARGARET |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | WINTON |
| 1935 Residence (County) | LACKAWANNA |
| Occupation | DRESS MAKER |
| Industry | DRESS FACTORY |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 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 Margaret Mcdermott across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Mcdermott (~0.92 confidence) and father William Mcdermott (~0.92 confidence) and father William Mcdermott (~0.92 confidence) and mother Anna Mcdermott (~0.92 confidence) and mother Anna Mcdermott (~0.92 confidence) and mother Sarah Mcdermott (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mcdermott
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Mcdermott
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Mcdermott
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Anna Mcdermott
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Anna Mcdermott
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Sarah Mcdermott
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Mcdermott
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
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Sibling
Helen Mcdermott
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mcdermott
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcdermott
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-t0627-03527-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Granahan | 33 | SON | Breakman | PENNSYLVANIA |
| 2 | Bridget Fagan | 67 | MOTHER IN LAW | — | ENGLAND |
| 3 | Albino Nieto | 40 | HEAD | Miner | SPAIN |
| 4 | Mary Nieto | 43 | WIFE | — | ITALY |
| 5 | Amerigo Cavalieri | 22 | STEP SON | Laborer | MINNESOTA |
| 6 | Bruno Cavalieri | 20 | STEP SON | Slate Picker | PENNSYLVANIA |
| 7 | Anita Cavalieri | 16 | STEP DAUGHTER | — | PENNSYLVANIA |
| 8 | Angelo Nieto | 9 | SON | — | PENNSYLVANIA |
| 9 | Gino Giombetti | 38 | HEAD | Miner | ITALY |
| 10 | Mary Giombetti | 32 | WIFE | — | PENNSYLVANIA |
| 11 | Alfred Giombetti | 12 | SON | — | PENNSYLVANIA |
| 12 | Idoloris Giombetti | 11 | DAUGHTER | — | PENNSYLVANIA |
| 13 | Janet Giombetti | 3 | DAUGHTER | — | PENNSYLVANIA |
| 14 | Antonette Giombetti | 60 | MOTHER | — | ITALY |
| 15 | Rinaldo Alberigi | 36 | HEAD | Laborer | ITALY |
| 16 | Rina Alberigi | 28 | WIFE | — | PENNSYLVANIA |
| 17 | Elizabeth Alberigi | 7 | DAUGHTER | — | PENNSYLVANIA |
| 18 | Raymond Alberigi | 5 | SON | — | PENNSYLVANIA |
| 19 | William Mcdermott | 54 | HEAD | 76 | PENNSYLVANIA |
| 20 | Anna Mcdermott | 51 | WIFE | — | PENNSYLVANIA |
| 21 | Margaret Mcdermott THIS PERSON | 22 | DAUGHTER | Dress Maker | PENNSYLVANIA |
| 22 | Helen Mcdermott | 20 | DAUGHTER | New Worker | PENNSYLVANIA |
| 23 | Catherine Mcdermott | 17 | DAUGHTER | — | PENNSYLVANIA |
| 24 | Joseph Mcdermott | 9 | SON | — | PENNSYLVANIA |
| 25 | Josephine Vaccher | 31 | HEAD | New Worker | PENNSYLVANIA |
| 26 | Dino Vaccher | 11 | SON | — | PENNSYLVANIA |
| 27 | Stanley Vitkus | 25 | HEAD | Laborer | PENNSYLVANIA |
| 28 | Celia Vitkus | 24 | WIFE | — | PENNSYLVANIA |
| 29 | Robert Vitkus | 1 | SON | — | PENNSYLVANIA |
| 30 | Milio Saltafari | 35 | HEAD | Barber | ITALY |
| 31 | Rita Saltafari | 31 | WIFE | — | PENNSYLVANIA |
| 32 | Lucille Saltafari | 10 | DAUGHTER | — | PENNSYLVANIA |
| 33 | Rose Saltafari | 9 | DAUGHTER | — | PENNSYLVANIA |
| 34 | Santa Saltafari | 7 | DAUGHTER | — | PENNSYLVANIA |
| 35 | Orlando Ligi | 27 | HEAD | Laborer | ITALY |
| 36 | Theresa Ligi | 25 | WIFE | — | PENNSYLVANIA |
| 37 | Della Ligi | 3 | DAUGHTER | — | PENNSYLVANIA |
| 38 | James Jr Loftus | 59 | HEAD | Superintendent | PENNSYLVANIA |
| 39 | Anna Loftus | 54 | WIFE | — | PENNSYLVANIA |
| 40 | Margaret Loftus | 31 | DAUGHTER | New Worker | PENNSYLVANIA |
Related Census Records
Pedigree Summary
Margaret + 3 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)