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Margaret Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Margaret Mcdermott across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 24-person household.
Age 25
b. ~1915
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | McDermott |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stenographer |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1915 |
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.
24 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| P Cox | Other | — | 84 | ~1856 |
| Myrtle Todd | Other | — | 25 | ~1915 |
| William Mhunathey | Other | — | 20 | ~1920 |
| Edward Reilly | Son | — | 22 | ~1918 |
| John Carroll | Other | — | 24 | ~1916 |
| R Golden | Daughter | — | 19 | ~1921 |
| A Ruf | Spouse | — | 41 | ~1899 |
| John Mannion | Son | — | 8 | ~1932 |
| Michael Di Carlo | Other | — | 4 | ~1936 |
| Sadie Thurber | Other | — | 66 | ~1874 |
| Mildred Mcdermott | Daughter | — | 19 | ~1921 |
| Lorraine Gilmore | Daughter | — | 22 | ~1918 |
| Margaret Mcdermott | Daughter | — | 25 | ~1915 |
| Anthony Santora | Other | — | 14 | ~1926 |
| John Wilson | Other | — | 27 | ~1913 |
| Terrence Reilly | Son | — | 29 | ~1911 |
| J O'Hare | Other | — | 57 | ~1883 |
| Alfred Cox | Other | — | 69 | ~1871 |
| Elizabeth Mcdermott | Daughter | — | 21 | ~1919 |
| Emil Dimitri | Other | — | 55 | ~1885 |
| Mary Mannion | Daughter | — | 15 | ~1925 |
| Agnes Beattie | Other | — | 23 | ~1917 |
| William Cummings | Other | — | 27 | ~1913 |
| Rosemary Forsythe | Other | — | 18 | ~1922 |
Census Appearances
1930
Hudson, New …
Daughter, age 16
Hudson, New Jersey · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Dermott |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 25
Hudson-County, New Jersey · implied b. ~1915 — 24 household members
| Surname | McDermott |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Stenographer |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mcdermott
Daughter · 1940 · age 25 · b. ~1915 · New Jersey
★ You are viewing this record
Sibling
R Golden
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mannion
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mannion
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Mcdermott
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mcdermott
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Terrence Reilly
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Gilmore
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Reilly
Sibling · 1940 · age 22
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
24 people indexed on this census page (nara:1940:m-t0627-02407-00086)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | A Brigid Ruf | 41 | Wife | Reader | New Jersey |
| 2 | Lorraine Gilmore | 22 | Daughter | — | New Jersey |
| 3 | R Kathleen Golden | 19 | Daughter | — | New Jersey |
| 4 | Rosemary Forsythe | 18 | Sister | — | New Jersey |
| 5 | Margaret Mcdermott THIS PERSON | 25 | Daughter | Stenographer | New Jersey |
| 6 | Elizabeth Mcdermott | 21 | Daughter | New Worker | New Jersey |
| 7 | Mildred Mcdermott | 19 | Daughter | New Worker | New Jersey |
| 8 | Mary Mannion | 15 | Daughter | — | New Jersey |
| 9 | John Mannion | 8 | Son | — | New Jersey |
| 10 | Agnes Beattie | 23 | Lodger | Laundress | New Jersey |
| 11 | Myrtle Todd | 25 | Lodger | Laundress | New Jersey |
| 12 | Emil Dimitri | 55 | Lodger | Cook | Greece |
| 13 | J John O'Hare | 57 | — | Teacher | Scotland |
| 14 | Alfred Cox | 69 | Uncle | — | England |
| 15 | P Edwin Cox | 84 | Father | — | New Jersey |
| 16 | Anthony Santora | 14 | Boarder | New Worker | New Jersey |
| 17 | Michael Di Carlo | 4 | Boarder | — | New Jersey |
| 18 | John Carroll | 24 | Lodger | — | New Jersey |
| 19 | William Mhunathey | 20 | Lodger | Machinist | North Carolina |
| 20 | Sadie Thurber | 66 | Mother in law | — | New Jersey |
| 21 | William Cummings | 27 | Lodger | — | New Jersey |
| 22 | John Wilson | 27 | Nephew | Policeman | New York |
| 23 | Terrence Reilly | 29 | Son | Bookkeeper | New Jersey |
| 24 | Edward Reilly | 22 | Son | Packer | New Jersey |
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)