WM
William Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Murphy across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a son (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Son
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Murphy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Occupation | welder |
| Industry | chemical co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Welder |
| Township / Ward | Philadelphia |
| 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 William | Age | Birth yr |
|---|---|---|---|---|
| Louise Murphy | Daughter | — | 25 | ~1915 |
| Frances Murphy | Daughter | — | 36 | ~1904 |
| Isabelle Murphy | Daughter | — | 43 | ~1897 |
| Mary Murphy | Head | — | 63 | ~1877 |
| William Murphy | Son | — | 28 | ~1912 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 7
Philadelphia, Pennsylvania · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | William |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1930
Philadelphia, Pennsylvania
Son, age 17
Philadelphia, Pennsylvania · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | Cashier |
| Industry | Candy Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Son, age 28
Philadelphia-County, Pennsylvania · implied b. ~1912 — 5 household members
| Surname | Murphy |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Occupation | welder |
| Industry | chemical co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | H-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 William Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Murphy
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Murphy
Son · 1940 · age 28 · b. ~1912 · Pennsylvania
★ You are viewing this record
Sibling
Isabelle Murphy
Sibling · 1940 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Murphy
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Murphy
Sibling · 1940 · age 25
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-t0627-03745-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Spingler | 53 | Wife | — | Penna |
| 42 | Anthony Spingler | 23 | Son | Labour | Penna |
| 43 | Rose Spingler | 23 | Daughter | — | Penna |
| 44 | Mary Florence Spingler | 21 | Daughter-in-law | — | Penna |
| 45 | John Rainey | 55 | Brother | Machinist | Penna |
| 46 | Sarah Mcmenamin | 77 | Head | — | Penna |
| 47 | Mary Mcmenamin | 69 | Sister | Clerk | Penna |
| 48 | Elizabeth Murray | 51 | Head | — | Penna |
| 49 | Mary Ketterlinus | 16 | Lodger | — | Penna |
| 50 | James Ketterlinus | 15 | Lodger | — | Penna |
| 51 | Edmond Ketterlinus | 9 | Lodger | — | Penna |
| 52 | Charles Majiki | 8 | Lodger | — | Penna |
| 53 | Michael O'Donnell | 68 | Head | — | Penna |
| 54 | Anna O'Donnell | 40 | Daughter | Supervisor | Penna |
| 55 | Edward Quindan | 32 | Son-in-law | Painter | Penna |
| 56 | Catherine Quindan | 30 | Daughter | — | Penna |
| 58 | Charles Brady | 35 | Head | Painter | Penna |
| 59 | Honorie Brady | 31 | Wife | — | Scotland |
| 60 | Mary E. Brady | 2 | Daughter | — | Penna |
| 61 | Theresa Brady | 33 | Sister | Saleslady | Penna |
| 62 | Mary Hannon | 45 | Head | — | Penna |
| 63 | Margaret Hannon | 43 | Sister | Bookkeeper | Penna |
| 64 | Anne Hannon | 41 | Sister | Stenographer | Penna |
| 65 | William Lash | 77 | Head | — | Penna |
| 66 | Elizabeth Clutch | 68 | Housekeeper | Housekeeper | Penna |
| 67 | Frank Wallace | 39 | Head | Carpenter | Maryland |
| 68 | Emma Wallace | 50 | Wife | — | New Jersey |
| 69 | Earl Gosa | 33 | Lodger | Grinder | New Jersey |
| 70 | Ellen Mcmanus | 75 | Head | — | Penna |
| 71 | Rose Mcmanus | 37 | Daughter | Bookkeeper | Penna |
| 72 | Joseph Mcmanus | 30 | Son | Accountant | Penna |
| 73 | Elizabeth Mcinerney | 42 | Head | Stenographer | Penna |
| 74 | Mary Mcinerney | 34 | Sister | Clerk | Penna |
| 75 | Mary Murphy | 63 | Head | — | Penna |
| 76 | Isabelle Murphy | 43 | Daughter | Office Manager | Penna |
| 77 | Frances Murphy | 36 | Daughter | Secretary | Penna |
| 78 | William Murphy THIS PERSON | 28 | Son | Welder | Penna |
| 79 | Louise Murphy | 25 | Daughter | Stenographer | Penna |
| 80 | William Fitzgerald | 70 | Head | — | Penna |
Pedigree Summary
William + 3 siblings
Gen 1 · 2 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)