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Helen Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Helen Mccarthy across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Jeremiah & Jeremiah — first a daughter (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Steno. |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Steno. |
| Township / Ward | New York City |
| Est. Birth Year | ~1903 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Mary Mccarthy | Head | — | 68 | ~1872 |
| Joseph Mccarthy | Son | — | 31 | ~1909 |
| Helen Mccarthy | Daughter | — | 37 | ~1903 |
Census Appearances
1920
Kings, New …
Daughter, age 17
Kings, New York · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Ireland |
| Occupation | Stenographer |
| Industry | Drugs |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Daughter, age 27
Kings, New York · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Irish Free State |
| Occupation | Stenographer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Daughter, age 37
Kings-County, New York · implied b. ~1903 — 3 household members
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Steno. |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Helen Mccarthy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jeremiah Mccarthy (~0.92 confidence) and father Jeremiah Mccarthy (~0.92 confidence) and mother Mary Mccarthy (~0.92 confidence) and mother Mary Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeremiah Mccarthy
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Jeremiah Mccarthy
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Mary Mccarthy
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Mary Mccarthy
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mccarthy
Daughter · 1940 · age 37 · b. ~1903 · New York
★ You are viewing this record
Sibling
Joseph Mccarthy
Sibling · 1940 · age 31
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02614-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Frank | 21 | Son | Cashier | New York |
| 2 | Angelo Frank | 19 | Daughter | Knitter | New York |
| 3 | Marion Frank | 16 | Daughter | — | New York |
| 4 | William Frank | 14 | Son | — | New York |
| 5 | Robert Frank | 10 | Son | — | New York |
| 6 | Richard Guinessy | 36 | Head | Salesman | New York |
| 7 | Katherine Guinessy | 36 | Wife | — | New York |
| 8 | Richard Guinessy | 8 | Son | — | New York |
| 9 | Mary Guinessy | 3 | Daughter | — | New York |
| 10 | Mary Mccarthy | 68 | Head | — | Ireland |
| 11 | Helen Mccarthy THIS PERSON | 37 | Daughter | Steno. | New York |
| 12 | Joseph Mccarthy | 31 | Son | Detective | New York |
| 13 | Arthur Weiss | 40 | Head | Chauffeur | New York |
| 14 | Norah Weiss | 33 | Wife | — | New York |
| 15 | Robert Weiss | 12 | Son | — | New York |
| 16 | Margaret Weiss | 10 | Daughter | — | New York |
| 17 | Arthur Weiss | 5 | Son | — | New York |
| 18 | Albert Corwin | 53 | Head | Clerk | New York |
| 19 | Barrett Corwin | 29 | Son | — | New York |
| 20 | Elenore Corwin | 23 | Daughter | Checker | New York |
| 21 | Elmer Zeller | 48 | Head | Owner | New York |
| 22 | Elsie Zeller | 44 | Wife | — | New York |
| 23 | Elmer Zeller | 20 | Son | Bookkeeper | New York |
| 24 | Doris Zeller | 17 | Daughter | Stenographer | New York |
| 25 | Anna Feyerman | 65 | Head | — | Germany |
| 26 | Dafie Feyerman | 32 | Daughter | Comptometer | New York |
| 27 | George Feyerman | 34 | Son-in-law | Receiving Clerk | New York |
| 28 | John Horgan | 61 | Head | Supervisor | Massachusetts |
| 29 | Susan Horgan | 58 | Wife | — | Canada |
| 30 | Bjarne Jelmet | 28 | Head | Pharmacist | Norway |
| 31 | Anna Jelmet | 27 | Wife | — | New York |
| 32 | Elsie Jelmet | 2 | Daughter | — | New York |
| 33 | Herbert Ashcroft | 27 | Head | Clerk | New York |
| 34 | Grace Ashcroft | 23 | Wife | Secretary | New York |
| 35 | Angelo Gatti | 55 | Head | Clerk | New York |
| 36 | Josephine Gatti | 25 | Wife | — | New York |
| 37 | Elizabeth Gatti | 18 | Daughter | — | New York |
| 38 | Phillip Gatti | 49 | Head | Clerk | New York |
| 39 | Elizabeth Gatti | 47 | Wife | — | Italy |
| 40 | Pasquale Gatti | 26 | Son | — | New York |
Related Census Records
Pedigree Summary
Helen + 1 sibling
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)