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Margaret Mahoney — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Margaret Mahoney across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents John & Joseph — first a daughter (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| Additional Details | |
| Occupation | Typist |
| Industry | Publishing Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1060 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Typist |
| Township / Ward | New York City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Julia Mahoney | Daughter | — | 16 | ~1924 |
| Mary Mahoney | Spouse | — | 49 | ~1891 |
| Joseph Mahoney | Son | — | 19 | ~1921 |
| Margaret Mahoney | Daughter | — | 23 | ~1917 |
| Joseph Mahoney | Head | — | 52 | ~1888 |
| Isabelle Mahoney | Daughter | — | 25 | ~1915 |
Census Appearances
1920
New York, …
Daughter, age 2
New York, New York · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | No |
| Can Write | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Other, age 12
New York, New York · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | Daugh |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Daughter, age 23
New-York-County, New York · implied b. ~1917 — 6 household members
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| Occupation | Typist |
| Industry | Publishing Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1060 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Mahoney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mahoney (~0.92 confidence) and father Joseph Mahoney (~0.92 confidence) and mother Margaret Mahoney (~0.92 confidence) and mother Mary Mahoney (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mahoney
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Joseph Mahoney
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Margaret Mahoney
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Mahoney
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Mahoney
Daughter · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Joseph Mahoney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Mahoney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabelle Mahoney
Sibling · 1940 · age 25
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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02658-00967)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sheila O'Neill | 9 | Daughter | — | New York |
| 42 | John Burkinshaw | 52 | Head | Chauffeur | England |
| 43 | Margaret Burkinshaw | 52 | Wife | — | Eire |
| 44 | Eileen Burkinshaw | 22 | Daughter | Clerk | New York |
| 45 | Richard Burkinshaw | 17 | Son | — | New York |
| 46 | John Burkinshaw | 11 | Son | — | New York |
| 47 | Carl Oesterle | 42 | Head | Elevator Oper. | Germany |
| 48 | Freda Oesterle | 42 | Wife | Superintendent | Germany |
| 49 | Carl Oesterle | 7 | Son | — | New York |
| 50 | Emil Reifenberger | 70 | Head | Superintendent | Germany |
| 51 | Minnie Reifenberger | 74 | Wife | — | Germany |
| 52 | Filmon Hasko | 57 | Head | Manager | Hungary |
| 53 | Anna Hasko | 53 | Wife | — | Hungary |
| 54 | Rosie Hasko | 25 | Daughter | Stenographer | New York |
| 55 | Margaret Hasko | 22 | Daughter | Stenographer | New York |
| 56 | Frances Hasko | 15 | Daughter | — | New York |
| 57 | Miklos Anna Hasko | 65 | Sister | — | Hungary |
| 58 | Adolf Behrens | 36 | Head | Cook | Germany |
| 59 | Alice Behrens | 38 | Wife | — | Germany |
| 60 | Dolthea Behrens | 5 | Daughter | — | New York |
| 61 | — | None | — | — | — |
| 62 | — | None | — | — | — |
| 63 | Michael Bauman | 39 | Head | Manager | Austria |
| 64 | Anna Bauman | 37 | Wife | — | Hungary |
| 65 | Anna Bauman | 17 | Daughter | — | New York |
| 66 | Robert Bauman | 6 | Son | — | New York |
| 67 | Sofie Heckman | 61 | Mother | Housework | Hungary |
| 68 | Harry Mc Cabe | 55 | Head | Chauffeur | New York |
| 69 | Blanche Mc Cabe | 45 | Wife | — | New York |
| 70 | Harry Mc Cabe | 19 | Son | Librarian | New York |
| 71 | Catherine Mc Cabe | 15 | Daughter | — | New York |
| 72 | Joseph Brimisson | 35 | Head | Bottler | Germany |
| 73 | Gustave Roesch | 33 | Head | Manager | Germany |
| 74 | Charles Blumenstetter | 39 | Head | Elevator Oper | Germany |
| 75 | Joseph P Mahoney | 52 | Head | Salesman | Eire |
| 76 | Mary Mahoney | 49 | Wife | — | Eire |
| 77 | Isabelle Mahoney | 25 | Daughter | Bookkeeper | New York |
| 78 | Margaret Mahoney THIS PERSON | 23 | Daughter | Typist | New York |
| 79 | Joseph Mahoney | 19 | Son | — | New York |
| 80 | Julia Mahoney | 16 | Daughter | — | New York |
Pedigree Summary
Margaret + 3 siblings
Gen 1 · 4 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)