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Helen Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Helen Murphy across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Delia — first a daughter (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Broker Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 336 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Chester |
| Est. Birth Year | ~1902 |
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 Murphy | Daughter | — | 38 | ~1902 |
| Margaret Murphy | Daughter | — | 41 | ~1899 |
| Delia Murphy | Head | — | 73 | ~1867 |
| Eugene Murphy | Son | — | 49 | ~1891 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 17
Philadelphia, Pennsylvania · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stenographer |
| Industry | Yarn Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Daughter, age 27
Montgomery, Pennsylvania · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Daughter, age 38
Delaware-County, Pennsylvania · implied b. ~1902 — 4 household members
| Surname | Murphy |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Occupation | Stenographer |
| Industry | Broker Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 336 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 3 locations, using XGBoost record linkage. Identified parents: father Thomas Murphy (~0.92 confidence) and mother Delia Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Murphy
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Delia Murphy
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Murphy
Daughter · 1940 · age 38 · b. ~1902 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Murphy
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Murphy
Sibling · 1940 · age 49
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03488-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nardin Haudin|Naudin | 75 | Head | Janitor | Delaware |
| 2 | — | None | — | — | — |
| 3 | William Firth | 80 | Head | 0 | Pennsylvania |
| 4 | Lavania Firth | 78 | Wife | 0 | Pennsylvania |
| 5 | Nellie S. Allcutt | 55 | Daughter | Housekeeper | Pennsylvania |
| 6 | Harvey Allcutt | 44 | Son | Moving & Hauling | Pennsylvania |
| 7 | John Blair | 51 | Lodger | Laborer | Pennsylvania |
| 8 | Franklin Baker | 34 | Lodger | Checker | South Dakota |
| 9 | Philip Knight | 39 | Lodger | Laborer | Pennsylvania |
| 10 | John Dougherty | 73 | Lodger | 0 | Northern Ireland |
| 11 | Richard Dougherty | 27 | Lodger | Tool Grinder | Pennsylvania |
| 12 | Howard Mclaughling | 25 | Lodger | Enamel | Pennsylvania |
| 13 | Ray Thess | 31 | Lodger | Laborer | Pennsylvania |
| 14 | Raymond Moody | 23 | Lodger | Truck Driver | Pennsylvania |
| 15 | Delia Murphy | 73 | Head | 0 | Pennsylvania |
| 16 | Eugene D. Murphy | 49 | Son | Assistant Treasurer | Pennsylvania |
| 17 | Margaret Murphy | 41 | Daughter | Stenographer | Pennsylvania |
| 18 | Helen Murphy THIS PERSON | 38 | Daughter | Stenographer | Pennsylvania |
| 19 | Harry W. Kane | 64 | Head | Manager | Pennsylvania |
| 20 | Katherine Kane | 61 | Wife | 0 | Pennsylvania |
| 21 | Howard Neikam | 24 | Head | Runner | Pennsylvania |
| 22 | Evelyn D. Neikam | 23 | Wife | 0 | Pennsylvania |
| 23 | Eugene Armillei | 31 | Head | Electrical Welder | Florida |
| 24 | Louise Armillei | 31 | Wife | 0 | New Jersey |
| 25 | Helen Armillei | 9 | Daughter | 0 | New York |
| 26 | Fred P. Peel | 56 | Head | Photographer | Michigan |
| 27 | Margaret W. Peel | 53 | Wife | Photographer | English Canada |
| 28 | Margaret W. Peel | 23 | Daughter | Dressmaker | Washington D.C. |
| 29 | Elizabeth Peel | 17 | Daughter | 0 | Pennsylvania |
| 30 | Raymond Moore | 27 | Head | Time Checker | Ohio |
| 31 | Catherine Moore | 23 | Wife | 0 | Ohio |
| 32 | Arthur Morrey | 55 | Head | Janitor | England |
| 33 | Emma D. Morrey | 54 | Wife | 0 | England |
| 34 | Alethea Bass | 20 | Head | Stenographer | Pennsylvania |
| 35 | Richard H. Bass | 0 | Son | — | Pennsylvania |
| 36 | Emilie Wilson | 69 | Grandmother | 0 | Delaware |
| 37 | Donald J. Clare | None | Head | — | — |
| 38 | Elizabeth Boyd | 44 | Head | Investigator | Pennsylvania |
| 39 | Harry Boyd | 18 | Son | New Worker | Pennsylvania |
| 40 | Aloysius|Aloys Berko | 39 | Head | Salesman | Hungary |
Pedigree Summary
Helen + 2 siblings
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)