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Helen Murphy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Helen Murphy across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents Johanna & Mary — first a daughter (b.~1906), then head of a 5-person household.
Age 24
b. ~1906
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1906 |
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 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Margaret Murphy | Daughter | — | 25 | ~1905 |
| Helen Murphy | Daughter | — | 24 | ~1906 |
| Mary Murphy | Daughter | — | 27 | ~1903 |
| Michael Murphy | Head | — | 52 | ~1878 |
| Mary Murphy | Spouse | — | 52 | ~1878 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age 1
Essex, Massachusetts · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Daughter, age 12
Essex, Massachusetts · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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
Daughter, age 24
Essex, Massachusetts · implied b. ~1906 — 5 household members
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| 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 |
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 (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: mother Johanna Murphy (~0.55 confidence) and mother Mary Murphy (~0.92 confidence) and father Michael Murphy (~0.92 confidence) and mother Mabel Murphy (~0.92 confidence) and father Samuel Murphy (~0.92 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.85
Mother
Johanna Murphy
b. ~1869
Source father>mother
● Household
· direct · ~0.55
Mother
Mary Murphy
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Michael Murphy
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mabel Murphy
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Samuel Murphy
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Murphy
Daughter · 1930 · age 24 · b. ~1906 · Massachusetts
★ You are viewing this record
Sibling
Margaret Murphy
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Murphy
Sibling · 1930 · age 27
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
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel897:0875)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Casey | 45 | Head | Foreman | Massachusetts |
| 2 | Mary Casey | 36 | Wife | — | Massachusetts |
| 3 | Donald Casey | 11 | Son | — | Massachusetts |
| 4 | James Healy | 48 | Head | Engineer | England |
| 5 | Anna Healy | 48 | Wife | — | New Jersey |
| 6 | Mildred Healy | 18 | Daughter | — | New Jersey |
| 7 | Michael Murphy | 52 | Head | Inspector | Massachusetts |
| 8 | Mary Murphy | 52 | Wife | — | Massachusetts |
| 9 | Mary Murphy | 27 | Daughter | Teacher | Massachusetts |
| 10 | Margaret Murphy | 25 | Daughter | Clerk | Massachusetts |
| 11 | Helen Murphy THIS PERSON | 24 | Daughter | — | Massachusetts |
| 12 | Daniel Lynch | 56 | Head | Laborer | Massachusetts |
| 13 | Elizabeth Lynch | 57 | Wife | — | Massachusetts |
| 14 | Elizabeth Lynch | 26 | Daughter | Stenographer | Massachusetts |
| 15 | Mary Lynch | 23 | Daughter | Teacher | Massachusetts |
| 16 | Margaret Lynch | 21 | Daughter | — | Massachusetts |
| 17 | Elizabeth Lynch | 70 | Head | — | Ireland |
| 18 | Lillian Lynch | 40 | Daughter | Sewer | Massachusetts |
| 19 | Frances Lynch | 38 | Daughter | Folder | Massachusetts |
| 20 | Thomas Tevlin | 51 | Head | Mender | Ireland |
| 21 | Mary Tevlin | 51 | Wife | Burler | Massachusetts |
| 22 | Joseph Tevlin | 13 | Son | — | Massachusetts |
| 23 | Scott Anthony | 50 | Head | Operator | Massachusetts |
| 24 | Anna Anthony | 47 | Wife | — | Massachusetts |
| 25 | Raymond Anthony | 20 | Son | Clerk | Massachusetts |
| 26 | William Anthony | 18 | Son | — | Massachusetts |
| 27 | Marion Anthony | 14 | Daughter | — | Massachusetts |
| 28 | George Cotter | 57 | Head | Conductor | Massachusetts |
| 29 | Mary Cotter | 55 | Wife | Stenographer | Ireland |
| 30 | Anna Cotter | 26 | Daughter | — | Massachusetts |
| 31 | James Cotter | 16 | Son | — | Massachusetts |
| 32 | Joseph Lacoste | 48 | Head | Woodworker | Canada-French |
| 33 | Laura Lacoste | 44 | Wife | — | Massachusetts |
| 34 | Raymond Lacoste | 18 | Son | — | Massachusetts |
| 35 | Roland Lacoste | 16 | Son | Delivery Boy | Massachusetts |
| 36 | Robert Lacoste | 13 | Son | — | Massachusetts |
| 37 | Richard Lacoste | 11 | Son | — | Massachusetts |
| 38 | Pauline Lacoste | 9 | Daughter | — | Massachusetts |
| 39 | Blanche Lacoste | 8 | Daughter | — | Massachusetts |
| 40 | Evelyn Lacoste | 6 | Daughter | — | Massachusetts |
| 41 | Mary Lacoste | 4 | Daughter | — | Massachusetts |
| 42 | John Mcgrath | 43 | Head | Drayman | Massachusetts |
| 43 | Mary Mcgrath | 43 | Wife | — | Ireland |
| 44 | Francis Mcgrath | 11 | Son | — | Massachusetts |
| 45 | Robert Watt | 37 | Head | Painter | Scotland |
| 46 | Janet Watt | 33 | Wife | — | Scotland |
| 47 | Robert Watt | 13 | Son | — | Massachusetts |
| 48 | Herbert Watt | 11 | Son | — | Massachusetts |
| 49 | William Mckillop | 39 | Head | Baggage Master | Scotland |
| 50 | Annie Mckillop | 31 | Wife | — | Massachusetts |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 4 parents
~0.92
Gen 2 · 1 grandparents
~0.55
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)