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Helen Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Helen Mccarthy across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles — first a daughter (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | McCarthy |
| Given Name | Helen C |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | secretary |
| Industry | investment brokers |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Haverhill 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Mccarthy | Daughter | — | 37 | ~1903 |
| Katherine Mccarthy | Other | — | 67 | ~1873 |
| Charles Ryan | Head | — | 63 | ~1877 |
| Mary Ryan | Other | — | 69 | ~1871 |
Census Appearances
1920
Essex, Massachusetts
Other, age 17
Essex, Massachusetts · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Helen E. |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Other, age 27
Essex, Massachusetts · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Helen C |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Secretary |
| Industry | Broker Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 37
Essex-County, Massachusetts · implied b. ~1903 — 4 household members
| Surname | McCarthy |
| Given Name | Helen C |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill City |
| 1935 Residence (County) | Essex |
| Occupation | secretary |
| Industry | investment brokers |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Charles Ryan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Ryan
b. ~1877
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Mccarthy
Daughter · 1940 · age 37 · b. ~1903 · Massachusetts
★ 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01581-00555)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John W Small | 22 | son | Printing Dept | Massachusetts |
| 42 | Mary B Quirk | 58 | head | — | Eire |
| 43 | Mary H Quirk | 33 | daughter | Supervisor | Massachusetts |
| 44 | Frederick H Webster | 60 | head | Cutter | Massachusetts |
| 45 | Martha S Webster | 57 | wife | — | Massachusetts |
| 46 | George Bunting | 46 | head | Curver | Massachusetts |
| 47 | Florence Bunting | 48 | wife | Coverer | Massachusetts |
| 48 | Michael A Basso | 37 | head | Credit Union Clerk | Massachusetts |
| 49 | Iris B Basso | 30 | wife | — | Massachusetts |
| 50 | Robert Basso | 11 | son | — | Massachusetts |
| 51 | Michael Jr Basso | 8 | son | — | Massachusetts |
| 52 | Charles Ryan | 63 | head | Runs A Variety Store | Massachusetts |
| 53 | Mary Ryan | 69 | sister | — | Massachusetts |
| 54 | Katherine Mccarthy | 67 | sister | Saleslady | Massachusetts |
| 55 | Helen C Mccarthy THIS PERSON | 37 | daughter | Secretary | Massachusetts |
| 56 | John Casey | 30 | head | Salesman And Clerk | Massachusetts |
| 57 | Vivian Casey | 29 | wife | — | Massachusetts |
| 58 | Mary E Macdonald | 67 | head | — | Massachusetts |
| 59 | Annetta Macdonald | 61 | sister | Clerk | Massachusetts |
| 60 | Arthur Macdonald | 58 | brother | Wood Heel Worker | Massachusetts |
| 61 | Philip Motard | 57 | head | Foreman | Canada-French |
| 62 | Amarelda Motard | 56 | wife | — | Canada-French |
| 63 | Juliet Motard | 25 | daughter | Fancy Stitcher | Massachusetts |
| 64 | Paul Motard | 13 | son | — | Massachusetts |
| 65 | Moses Mccarthy | 68 | head | — | Eire |
| 66 | Bridget Mccarthy | 72 | wife | — | Eire |
| 67 | Moses Jr Mccarthy | 47 | son | Laborer | Massachusetts |
| 68 | John Mccarthy | 42 | son | Pouncer | New York |
| 69 | Arlene Mccarthy | 18 | daughter-in-law | — | Massachusetts |
| 70 | Mary D Curtis | 51 | head | — | Canada-French |
| 71 | Thomas Curtis | 23 | son | Typist | Massachusetts |
| 72 | Eric Curtis | 12 | son | — | Massachusetts |
| 73 | Rose Curtis | 11 | daughter | — | Massachusetts |
| 74 | Raymond Cerasuolo | 29 | head | Laborer | Massachusetts |
| 75 | Marie Cerasuolo | 26 | wife | — | Massachusetts |
| 76 | Shirley Cerasuolo | 5 | daughter | — | Massachusetts |
| 77 | Donald Gavin | 26 | head | Sub-Letter Carrier | Massachusetts |
| 78 | Marjorie Gavin | 26 | wife | — | Massachusetts |
| 79 | Patricia Gavin | 2 | daughter | — | Massachusetts |
| 80 | Donald Jr Gavin | 1 | son | — | Massachusetts |
Pedigree Summary
Helen
Gen 1 · 1 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)