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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 Frank & Matthew — first a daughter (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
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 | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Labeler |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 676 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Labeler |
| Township / Ward | New York City |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Mccarthy | Daughter | — | 24 | ~1916 |
| Walter Mccarthy | Son | — | 15 | ~1925 |
| Matthew Mccarthy | Head | — | 55 | ~1885 |
| Margaret Mccarthy | Spouse | — | 50 | ~1890 |
| Edward Mccarthy | Son | — | 12 | ~1928 |
Census Appearances
1920
Kings, New …
Daughter, age 3
Kings, New York · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthey |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Industry | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Daughter, age 14
Kings, New York · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacCarthy |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Daughter, age 24
Kings-County, New York · implied b. ~1916 — 5 household members
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Labeler |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 676 |
| 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 Frank Maccarthy (~0.92 confidence) and father Matthew Mccarthy (~0.92 confidence) and father Thomas Mccarthey (~0.92 confidence) and mother Helen Mccarthey (~0.92 confidence) and mother Margaret Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Maccarthy
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Matthew Mccarthy
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Thomas Mccarthey
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Helen Mccarthey
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mccarthy
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mccarthy
Daughter · 1940 · age 24 · b. ~1916 · New York
★ You are viewing this record
Sibling
Walter Mccarthy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mccarthy
Sibling · 1940 · age 12
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-t0627-02587-00886)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Mccarthy | 15 | Daughter | — | Connecticut |
| 42 | Matthew Mccarthy | 55 | Head | Electrician | New York |
| 43 | Margaret Mccarthy | 50 | Wife | — | New York |
| 44 | Helen Mccarthy THIS PERSON | 24 | Daughter | Labeler | New York |
| 45 | Walter Mccarthy | 15 | Son | — | New York |
| 46 | Edward Mccarthy | 12 | Son | — | New York |
| 47 | Annie Mcnicholas | 55 | Head | — | Ireland |
| 48 | Mary Mcnicholas | 19 | Daughter | — | New York |
| 49 | James Mcnicholas | 14 | Son | — | New York |
| 50 | Winifred Nolan | 51 | Head | — | Ireland |
| 51 | John Nolan | 25 | Son | Chauffeur | New York |
| 52 | Mary Nolan | 23 | Daughter | Machine | New York |
| 53 | James Nolan | 21 | Son | File Clerk | New York |
| 54 | William Nolan | 16 | Daughter | — | New York |
| 55 | Michael Nolan | 14 | Son | — | New York |
| 56 | Nicholas Clifford | 53 | Head | Laborer | Ireland |
| 57 | Mary Clifford | 43 | Wife | — | Ireland |
| 58 | Ellen Clifford | 9 | Daughter | — | New York |
| 59 | Michael Mroczek | 40 | Head | Plumber | New York |
| 60 | Frances Mroczek | 40 | Wife | — | New York |
| 61 | Joseph Mroczek | 26 | Son | Laborer | New York |
| 62 | Madeline Mroczek | 18 | Daughter | Layer | New York |
| 63 | Andrew Tzielinski | 47 | Head | Machinist | New York |
| 64 | Madeline Tzielinski | 54 | Sister | — | New York |
| 65 | Mary Tzielinski | 45 | Sister | Needle Trade | New York |
| 66 | Patrick Mcauley | 43 | Head | Captain | Ireland (Eire) |
| 67 | Mary Mcauley | 36 | Wife | — | Ireland (Eire) |
| 68 | Mary Mcauley | 14 | Daughter | — | New York |
| 69 | Ann Mcauley | 10 | Daughter | — | New York |
| 70 | John Mcauley | 4 | Son | — | New York |
| 71 | Catherine Mcauley | 1 | Daughter | — | New York |
| 72 | Harry Adolfson | 36 | Head | Tester | New York |
| 73 | Catherine Adolfson | 35 | Wife | — | New York |
| 74 | Marie Adolfson | 10 | Daughter | — | New York |
| 75 | Joan Adolfson | 8 | Daughter | — | New York |
| 76 | John Adolfson | 5 | Son | — | New York |
| 77 | Martha Enonenger | 36 | Head | — | New York |
| 78 | Anthony Enonenger | 15 | Son | New Worker | New York |
| 79 | Martha Enonenger | 12 | Daughter | — | New York |
| 80 | John Krajchy | 49 | Head | Machinist | Austria |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 5 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)