DM
Dorothy Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Dorothy Murphy across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Kate — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Murphy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | PHILA |
| 1935 Residence (County) | PHILA |
| Additional Details | |
| Occupation | Assorter |
| Industry | Engraving |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 160 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Assorter |
| Township / Ward | Phila |
| Est. Birth Year | ~1915 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Helen Murphy | Daughter | — | 29 | ~1911 |
| Catherine Murphy | Daughter | — | 22 | ~1918 |
| James Clark | Other | — | 30 | ~1910 |
| Nellie Murphy | Head | — | 58 | ~1882 |
| Dorothy Murphy | Daughter | — | 25 | ~1915 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Telephone Opr |
| Industry | Tel. Co |
| Class of Worker | W |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1930
Philadelphia, Pennsylvania
Daughter, age 15
Philadelphia, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 25
Philadelphia-County, Pennsylvania · implied b. ~1915 — 5 household members
| Surname | Murphy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | PHILA |
| 1935 Residence (County) | PHILA |
| Occupation | Assorter |
| Industry | Engraving |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 160 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Dorothy Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Murphy (~0.92 confidence) and mother Kate Murphy (~0.92 confidence) and mother Nellie Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Murphy
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Kate Murphy
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Nellie Murphy
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
John Murphy
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Murphy
Daughter · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Helen Murphy
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Murphy
Sibling · 1940 · age 22
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03741-00279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Miller | 14 | Daughter | — | Penna |
| 2 | Myra Miller | 10 | Daughter | — | Penna |
| 3 | Martin Higgins | 70 | Uncle | — | Ireland |
| 4 | George Beyer | 55 | Head | Draftsman | Penna |
| 5 | Lulu C. Beyer | 57 | Sister | — | Penna |
| 6 | Edward Manning | 70 | Head | — | Penna |
| 7 | Katherine Manning | 69 | Wife | — | Penna |
| 8 | Charles F. Papst | 45 | Head | Salesman | Penna |
| 9 | Marie Papst | 40 | Wife | — | Penna |
| 10 | Charles Jr. Papst | 7 | Son | — | Penna |
| 11 | Joseph Papst | 6 | Son | — | Penna |
| 12 | Mary Mcdonnell | 70 | Mother-in-law | — | Penna |
| 13 | Elizabeth Wallace | 62 | Daughter-in-law | — | Penna |
| 14 | Susan R. Wallace | 71 | Cousin | — | Penna |
| 15 | Effie Mason | 85 | Lodger | — | Penna |
| 16 | Ruth Brooks | 20 | Niece | Stenographer | Penna |
| 17 | Charles Stanton | 47 | Lodger | Salesman | Turkey |
| 18 | George Rich | 83 | Head | — | Germany |
| 19 | Marie Rich | 82 | Wife | — | Germany |
| 20 | Clara Rich | 46 | Daughter | Dressmaker | Penna |
| 21 | Catherine Rich | 42 | Daughter | Dressmaker | Penna |
| 22 | Catherine Bryan | 66 | Head | — | Penna |
| 23 | Joseph Bryan | 36 | Son | Collector | Penna |
| 24 | Julia Keenan | 68 | Sister | — | Penna |
| 25 | Ella Keenan | 64 | Sister | — | Penna |
| 26 | Robert Siegfried | 52 | Head | Foreman | Penna |
| 27 | Violet Siegfried | 49 | Wife | — | Penna |
| 28 | Robert Jr. Siegfried | 22 | Son | Electrician | Penna |
| 29 | Richard Leidy | 33 | Head | Clerk | Penna |
| 30 | Catherine Leidy | 29 | Wife | Clerk | Penna |
| 31 | Ida Schreiber | 55 | Mother-in-law | Operator | Conn |
| 32 | Nellie Murphy | 58 | Head | — | Northern Ireland |
| 33 | Helen Murphy | 29 | Daughter | — | Penna |
| 34 | Dorothy Murphy THIS PERSON | 25 | Daughter | Assorter | Penna |
| 35 | Catherine Murphy | 22 | Daughter | At Home | Penna |
| 36 | James Clark | 30 | Nephew | Salesman | Penna |
| 37 | William A. Kauffman | 52 | Head | Clerk | Penna |
| 38 | Leona Kauffman | 49 | Wife | — | Penna |
| 39 | Alberta Kauffman | 23 | Daughter | Clerk | Penna |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 4 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)