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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 Jeremiah & Leo — first a daughter (b.~1893), then head of a 6-person household.
Age 47
b. ~1893
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Lawrence |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Telephone Operator |
| Industry | Telephone Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 242 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Telephone Operator |
| Township / Ward | City Of Lawrence |
| Est. Birth Year | ~1893 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| John Burke | Other | — | 46 | ~1894 |
| Catherine Mccarthy | Head | — | 65 | ~1875 |
| John Mccarthy | Son | — | 30 | ~1910 |
| Bertha Burke | Other | — | 46 | ~1894 |
| Helen Mccarthy | Daughter | — | 47 | ~1893 |
| Mary Mccarthy | Daughter | — | 45 | ~1895 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 25
Essex, Massachusetts · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarty |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Stenographer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 36
Essex, Massachusetts · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Helen A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Secretary |
| Industry | Bldg Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 47
Essex-County, Massachusetts · implied b. ~1893 — 6 household members
| Surname | McCarthy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Lawrence |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Occupation | Telephone Operator |
| Industry | Telephone Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 242 |
| Highest Grade | C 1 |
| 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 Jeremiah Mccarty (~0.92 confidence) and father Leo Mccarthy (~0.60 confidence) and mother Catherine Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
Jeremiah Mccarty
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Leo Mccarthy
b. ~1887
Source father
● Household
· direct · ~0.6
Mother
Catherine Mccarthy
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mccarthy
Daughter · 1940 · age 47 · b. ~1893 · Massachusetts
★ You are viewing this record
Sibling
Mary Mccarthy
Sibling · 1940 · age 45
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccarthy
Sibling · 1940 · age 30
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01583-00719)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Joseph Butler | 56 | — | Weaver | Newport |
| 3 | Daniel Connor | 58 | — | Weaver | Massachusetts |
| 4 | James Seely | 56 | — | Weaver | Massachusetts |
| 5 | Thomas Kelley | 47 | — | Weaver | Massachusetts |
| 8 | Mary Anne Leveque | 50 | Head | Manager | Canada French |
| 9 | Nathan Runham | 39 | Lodger | Proprietor | Russia |
| 10 | Melvin Runham | 46 | Lodger | Laborer | Massachusetts |
| 11 | Frank Martin | 46 | Lodger | Rigger | Canada French |
| 12 | Arthur Griffiths | 64 | Lodger | Salesman | Massachusetts |
| 13 | Woodrow Ordway | 20 | Lodger | Laborer | New Hampshire |
| 14 | Ernest Houle | 32 | Lodger | Mechanic | Maine |
| 15 | Sydney Hilly | 36 | Lodger | Cleaner | Massachusetts |
| 16 | Joseph Bosse | 35 | Lodger | Weaver | Canada French |
| 17 | Albert E. French | 72 | Lodger | — | Vermont |
| 18 | Charlotte F. Waldron | 47 | Lodger | Mending | Vermont |
| 19 | Arthur Marquis | 40 | Lodger | Weaver | New Hampshire |
| 20 | Hoehn Guertin | 63 | Lodger | Weaver | Germany |
| 21 | Daniel Grancy | 31 | Lodger | Grounds Keeper | Massachusetts |
| 22 | Josephine Rand | 58 | Lodger | Chambermaid | Massachusetts |
| 23 | Daniel Barron | 51 | Lodger | Wool Carder | Nova Scotia |
| 24 | John Friday | 45 | Lodger | Baker | Poland |
| 25 | Francis Normin | 24 | Lodger | Stockman | Massachusetts |
| 26 | Harry Waldron | 40 | Lodger | Laborer | Massachusetts |
| 27 | Edward Joyce | 9 | Lodger | Assistant Manager | Pennsylvania |
| 28 | Frank Harris | 33 | Lodger | Manager | Massachusetts |
| 29 | Benjamin Klubock | 59 | Lodger | Peddler | Russia |
| 30 | William Kelley | 38 | Lodger | Mechanic | North Carolina |
| 31 | John Stott | 50 | Lodger | Operative | England |
| 32 | Ambrose Ready | 41 | Lodger | Machinist | Lowell |
| 33 | Arthur Dunn | 41 | Lodger | Truck Driver | Haverhill |
| 35 | Catherine Mccarthy | 65 | Head | Proprietress | Ireland |
| 36 | Mary Mccarthy | 45 | Daughter | Housekeeper | Massachusetts |
| 37 | Helen Mccarthy THIS PERSON | 47 | Daughter | Telephone Operator | Massachusetts |
| 38 | John Mccarthy | 30 | Son | Financial Clerk | Massachusetts |
| 39 | John Q. Burke | 46 | Lodger | Salesman | Massachusetts |
| 40 | Bertha R. Burke | 46 | Lodger wife | — | Massachusetts |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 3 parents
~0.81
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)