HM
Helen Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Helen Murphy across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1912 |
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 Murphy | Daughter | — | 28 | ~1912 |
| Helen Murphy | Daughter | — | 37 | ~1903 |
| Gertrude Murphy | Daughter | — | 42 | ~1898 |
| John Murphy | Head | — | 76 | ~1864 |
| Margaret Murphy | Spouse | — | 73 | ~1867 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 8
Essex, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 18
Essex, Massachusetts · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 28
Essex-County, Massachusetts · implied b. ~1912 — 5 household members
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lynn City |
| 1935 Residence (County) | Essex |
| Class of Worker | 0 |
| Highest Grade | H 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 Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and mother Margaret Murphy (~0.92 confidence) and mother Margaret Murphy (~0.92 confidence) and mother Margaret Murphy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Murphy
b. ~1864
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1865
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Margaret Murphy
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Margaret Murphy
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Margaret Murphy
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Murphy
Daughter · 1940 · age 28 · b. ~1912 · Massachusetts
★ You are viewing this record
Sibling
Helen Murphy
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Murphy
Sibling · 1940 · age 42
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
40 people indexed on this census page (nara:1940:m-t0627-01696-00611)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick Horgan | 58 | Head | Bookkeeper | Maine |
| 2 | Grace E Horgan | 57 | Wife | — | Rhode Island |
| 3 | Hannah Burningham | 69 | Head | — | Maine |
| 4 | Gertrude Burningham | 40 | Daughter | — | Canada-Eng |
| 5 | Mary E Mcmanus | 65 | Head | — | Massachusetts |
| 6 | Edward J Persson | 60 | Head | Salesman | Massachusetts |
| 7 | Julia D Persson | 56 | Wife | — | Massachusetts |
| 8 | Mary Persson | 30 | Daughter | Teacher | Massachusetts |
| 9 | Anna Persson | 16 | Daughter | — | Massachusetts |
| 10 | John J Kelley | 37 | Head | Repair Man | Canada-Eng |
| 11 | Sarah J Kelley | 33 | Wife | — | Canada-Eng |
| 12 | Patricia Kelley | 5 | Daughter | — | Massachusetts |
| 13 | John D Kelley | 2 | Son | — | Massachusetts |
| 14 | William Francis | 34 | Head | Trainman | Massachusetts |
| 15 | Gertrude Francis | 30 | Wife | — | Canada-Eng |
| 16 | Francis Francis | 64 | Mother | — | Nova Scotia |
| 17 | Arthur Nadi|Nadir | 35 | Head | Musician | Italy |
| 18 | Anna Nadi|Nadir | 35 | Wife | — | Massachusetts |
| 19 | Malachi Murphy | 58 | Head | Mechanic | Ireland-Free |
| 20 | Margaret Murphy | 49 | Wife | — | Massachusetts |
| 21 | John Murphy | 19 | Son | Usher | Massachusetts |
| 22 | Richard Murphy | 12 | Son | — | Massachusetts |
| 23 | — | None | — | — | — |
| 24 | — | None | — | — | — |
| 25 | John H Murphy | 76 | Head | — | Massachusetts |
| 26 | Margaret A Murphy | 73 | Wife | — | Massachusetts |
| 27 | Gertrude G Murphy | 42 | Daughter | Stenographer | Massachusetts |
| 28 | Helen E Murphy | 37 | Daughter | Stenographer | Massachusetts |
| 29 | Helen Murphy THIS PERSON | 28 | Daughter | — | Massachusetts |
| 30 | George Perley | 60 | Head | Machinist | Newfoundland |
| 31 | Helen Perley | 54 | Wife | — | Canada-Eng |
| 32 | Helen Perley | 30 | Daughter | Clerical Work | Massachusetts |
| 33 | Paul Reh | 24 | Lodger | Engineer | Chicago, Ill |
| 34 | Patrick Urban | 72 | Head | — | Ireland-Free |
| 35 | Hannah Urban | 70 | Wife | — | Ireland-Free |
| 36 | Dennis J Mcgarvey | 54 | Head | Clerk | Massachusetts |
| 37 | Mary V Mcgarvey | 53 | Wife | — | Ireland-Free |
| 38 | Frances Mcgarvey | 19 | Daughter | — | Massachusetts |
| 39 | Dennis Daley | 77 | Brother-in-law | — | Ireland-Free |
| 40 | — | None | — | — | — |
Related Census Records
Pedigree Summary
Helen + 2 siblings
Gen 1 · 6 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)