EM
Elizabeth Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Elizabeth Murphy across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Elizabeth & James — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Swissvale borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 840 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Nurse |
| Township / Ward | Swissvale Borough |
| 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 Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Rosella Murphy | Daughter | — | 35 | ~1905 |
| Elizabeth Murphy | Daughter | — | 25 | ~1915 |
| Mary Murphy | Head | — | 61 | ~1879 |
| Thomas Murphy | Son | — | 30 | ~1910 |
| Daniel Murphy | Son | — | 33 | ~1907 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 3
Allegheny, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 5 household members
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Swissvale borough |
| 1935 Residence (County) | Allegheny |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 840 |
| Highest Grade | C 2 |
| 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 Elizabeth Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Murphy (~0.84 confidence) and father James Murphy (~0.84 confidence) and mother Mary Murphy (~0.92 confidence) and father Edwin Murphy (~0.92 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Mother
Elizabeth Murphy
b. ~1860
Source father>mother
● Household
· direct · ~0.84
Father
James Murphy
b. ~1862
Source father>father
● Household
· direct · ~0.84
Mother
Mary Murphy
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Edwin Murphy
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Murphy
Daughter · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Daniel Murphy
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Murphy
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosella Murphy
Sibling · 1940 · age 35
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03418-00749)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest D. Jennings | 52 | Head | Salesman | England |
| 2 | Hilda M. Jennings | 50 | Wife | — | Pennsylvania |
| 3 | Raymond Jennings | 23 | Son | Clerk | Pennsylvania |
| 4 | Dorothy Jennings | 18 | Daughter | — | Ohio |
| 5 | John Pivovarnik | 66 | Head | Labor | Hungary |
| 6 | Anna Pivovarnik | 65 | Wife | — | Hungary |
| 7 | William Sucky | 22 | Nephew | Labor | Pennsylvania |
| 8 | Ernest M. Mcewen | 48 | Head | — | Pennsylvania |
| 9 | Alda Mcewen | 27 | Son | Stock Clerk | Pennsylvania |
| 10 | William F. Reader | 77 | Head | — | Ohio |
| 11 | Marie B. Reader | 74 | Wife | — | Ohio |
| 12 | Joseph A. Rylan | 65 | Head | Gen. Foreman | New York |
| 13 | Katherine Rylan | 60 | Wife | — | Ohio |
| 14 | Lionel J. Irvine | 45 | Nephew | Police | Pennsylvania |
| 15 | Eugene V. Mcgowan | 50 | Brother-in-law | Coilwinder | Illinois |
| 16 | David G. Shelby | 47 | Head | Loader | Pennsylvania |
| 17 | Mary C. Shelby | 47 | Wife | — | Kentucky |
| 18 | Richard S. Shelby | 22 | Son | — | Pennsylvania |
| 19 | Robert G. Shelby | 17 | Son | — | Pennsylvania |
| 20 | David G. Shelby | 9 | Son | — | Pennsylvania |
| 21 | Dena Fitzgerald | 80 | Mother-in-law | — | Kentucky |
| 22 | Mary A. Murphy | 61 | Head | — | Eire |
| 23 | Rosella Murphy | 35 | Daughter | Nurse | Pennsylvania |
| 24 | Daniel Murphy | 33 | Son | Asst. Engineer | Pennsylvania |
| 25 | Thomas J. Murphy | 30 | Son | Helper | Pennsylvania |
| 26 | Elizabeth Murphy THIS PERSON | 25 | Daughter | Nurse | Pennsylvania |
| 27 | Carl T. Carlson | 49 | Head | Machinist | Pennsylvania |
| 28 | Agusta Carlson | 51 | Wife | — | Sweden |
| 29 | Elvera M. Carlson | 23 | Daughter | — | Pennsylvania |
| 30 | Lloyd Carlson | 17 | Son | — | Ohio |
| 31 | Andrew Carlson | 77 | Father | — | Sweden |
| 32 | James Mchury | 69 | Head | — | Scotland |
| 33 | Mary Mchury | 65 | Wife | — | Scotland |
| 34 | Nellie Mchury | 35 | Daughter | — | Scotland |
| 35 | William Mchury | 31 | Son | — | Scotland |
| 36 | Thomas Mchury | 30 | Son | Labor | Scotland |
| 37 | Andrew Mchury | 25 | Son | Mechanic | Pennsylvania |
| 38 | Nellie Kilmartin | 67 | Sister-in-law | Proprietress | Scotland |
| 39 | Margaret Mullen | 24 | Niece | Nurse | Illinois |
| 40 | Charles Bernath | 36 | Head | Labor | Pennsylvania |
Pedigree Summary
Elizabeth + 3 siblings
Gen 1 · 2 parents
~0.92
Gen 2 · 2 grandparents
~0.84
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)