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Helen Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Helen Mccarthy across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed), with identified parents James & Helen — first a daughter (b.~1915), then head of a 2-person household.
Age 25
b. ~1915
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Waitress |
| Township / Ward | Buffalo 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Mccarthy | Head | — | 63 | ~1877 |
| Helen Mccarthy | Daughter | — | 25 | ~1915 |
Census Appearances
1920
Erie, New …
Daughter, age 4
Erie, New York · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Erie, New …
Daughter, age 15
Erie, New York · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Daughter, age 25
Erie-County, New York · implied b. ~1915 — 2 household members
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo city |
| 1935 Residence (County) | Erie |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 200 |
| Highest Grade | Hs 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 James Mccarthy (~0.92 confidence) and mother Helen Mccarthy (~0.92 confidence) and mother Helen Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mccarthy
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Helen Mccarthy
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Helen Mccarthy
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mccarthy
Daughter · 1940 · age 25 · b. ~1915 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02828-00304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elsie Ynakis | 29 | Wife | — | Greece |
| 42 | Anthony Ynakis | 3 | Son | — | New York |
| 43 | James Ynakis | 5 | Son | — | New York |
| 44 | Viola Ynakis | 1 | Daughter | — | New York |
| 45 | Costas Ynakis | 49 | Brother | — | Greece |
| 46 | George Lorenz | 50 | Head | Candy Maker | New York |
| 47 | Mary Lorenz | 50 | Wife | Teacher | New York |
| 48 | Mary Louise Lorenz | 12 | Daughter | — | New York |
| 49 | Emma Lorenz | 60 | Sister | — | New York |
| 50 | Albert King | 62 | Head | Dentist | New York |
| 51 | Mary R. Weber | 83 | Head | — | New York |
| 52 | Clara J. Weber | 73 | Sister | — | New York |
| 53 | Hattie Weber | 68 | Sister | — | New York |
| 54 | Helen Mccarthy | 63 | Head | — | Ireland |
| 55 | Helen Mccarthy THIS PERSON | 25 | Daughter | Waitress | New York |
| 56 | Martin Leiber | 76 | Head | — | Germany |
| 57 | Mary Leiber | 65 | Wife | — | Germany |
| 58 | Peter D'Angelis | 39 | Head | Bartender | Italy |
| 59 | Marion D'Angelis | 33 | Wife | — | New York |
| 60 | Florendo Dibucci | 65 | Head | — | Italy |
| 61 | Catherine Dibucci | 57 | Wife | — | New York |
| 62 | Lawrence Dibucci | 37 | Son | — | New York |
| 63 | Nicholas Hettrick | 56 | Head | — | New York |
| 64 | Elizabeth Hettrick | 56 | Wife | — | New York |
| 65 | Raymond Hettrick | 30 | Son | Stenographer | New York |
| 66 | Mary Wanneman | 40 | Head | Seamstress | New York |
| 67 | Genevieve Wanneman | 17 | Daughter | — | New York |
| 68 | Fredric Wanneman | 13 | Son | — | New York |
| 69 | George Apsey | 80 | Head | — | New York |
| 70 | Mary Apsey | 60 | Wife | — | Newfoundland |
| 71 | John Apsey | 21 | Grandson | Salesman | New York |
| 72 | William Eddy | 55 | Head | Construction Foreman | Massachusetts |
| 73 | Louise Eddy | 52 | Wife | — | Massachusetts |
| 74 | Elmer White | 63 | Head | Manager | Maine |
| 75 | Carrie White | 54 | Wife | — | New York |
| 76 | Ralph Stockman | 50 | Head | Cutter | New York |
| 77 | Mary Stockman | 48 | Wife | — | New York |
| 78 | Ellen Stockman | 14 | Daughter | — | New York |
| 79 | George Colmerauer | 41 | Head | Laborer | New York |
| 80 | Elizabeth Colmerauer | 36 | Wife | — | New York |
Pedigree Summary
Helen
Gen 1 · 3 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)