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Elizabeth Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Elizabeth Murphy across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Female
Daughter
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Occupation | Sales girl |
| Industry | Retail store |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 298 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Sales Girl |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Elizabeth Murphy | Daughter | — | 29 | ~1911 |
| Anna Murphy | Head | — | 61 | ~1879 |
| Edward Swinney | Other | — | 56 | ~1884 |
| John Murphy | Son | — | 24 | ~1916 |
| Francis Murphy | Son | — | 27 | ~1913 |
Census Appearances
1920
New Castle, …
Daughter, age 10
New Castle, Delaware · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Elizabeth T |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Daughter, age 20
New Castle, Delaware · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Daughter, age 29
New-Castle-County, Delaware · implied b. ~1911 — 5 household members
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington City |
| 1935 Residence (County) | New Castle |
| Occupation | Sales girl |
| Industry | Retail store |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 298 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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: father John Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and mother Anna Murphy (~0.92 confidence) and mother Catherine Murphy (~0.92 confidence) and mother Catherine Murphy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Murphy
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Anna Murphy
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Catherine Murphy
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Catherine Murphy
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Murphy
Daughter · 1940 · age 29 · b. ~1911 · Delaware
★ You are viewing this record
Sibling
John Murphy
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Murphy
Sibling · 1940 · 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
1940 US Federal Census — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-00552-00341)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Mckenney | 11 | Daughter | — | Delaware |
| 2 | Anna Murphy | 61 | Head | — | Delaware |
| 3 | Elizabeth Murphy THIS PERSON | 29 | Daughter | Sales Girl | Delaware |
| 4 | Francis J. Murphy | 27 | Son | Driller | Delaware |
| 5 | John J. Murphy | 24 | Son | Store House Clerk | Delaware |
| 6 | Edward Swinney | 56 | Brother | Machinist | Delaware |
| 7 | Mary C. Ryan | 65 | Head | — | Delaware |
| 8 | Rose C. Mccloskey | 63 | Friend | — | Pennsylvania |
| 9 | George Green | 65 | Head | — | Delaware |
| 10 | Anna Q. Green | 64 | Wife | — | Delaware |
| 11 | Margaret Green | 23 | Daughter | Salesgirl | Delaware |
| 12 | Joseph Green | 30 | Head | Carpenter | Delaware |
| 13 | Dorothy E. Green | 29 | Wife | — | Pennsylvania |
| 14 | Dorothy E. Green | 2 | Daughter | — | Delaware |
| 15 | Joseph L. Green | 0 | Son | — | Delaware |
| 16 | Dominick Petrucci | 50 | Head | Stone Mason | Italy |
| 17 | Theresa Petrucci | 47 | Wife | — | Italy |
| 18 | Peter Petrucci | 22 | Son | Seller Papers | Delaware |
| 19 | Raymond Petrucci | 20 | Son | Milk Man | Delaware |
| 20 | D. J. Petrucci | 17 | Son | App. Shoemaker | Delaware |
| 21 | John Petrucci | 15 | Son | — | Delaware |
| 22 | Mario Petrucci | 13 | Son | — | Delaware |
| 23 | Bernard Petrucci | 11 | Son | — | Delaware |
| 24 | Edith Petrucci | 10 | Daughter | — | Delaware |
| 25 | Anna Petrucci | 8 | Daughter | — | Delaware |
| 26 | Serafino Papili | 44 | Head | Janitor | Italy |
| 27 | Mary Q. Papili | 43 | Wife | — | Italy |
| 28 | Dominick Papili | 18 | Son | Janitor | Pennsylvania |
| 29 | Alfred Papili | 16 | Son | — | Pennsylvania |
| 30 | Olimpio Papili | 12 | Son | — | Delaware |
| 31 | Leo Papili | 10 | Son | — | Delaware |
| 32 | Louis Papili | 9 | Son | — | Delaware |
| 33 | John Papili | 5 | Son | — | Delaware |
| 34 | James Satterfield | 74 | Head | Packer | Maryland |
| 35 | Blanche Satterfield | 47 | Wife | — | Maryland |
| 36 | Nadean Satterfield | 20 | Daughter | Draftsman | Delaware |
Pedigree Summary
Elizabeth + 2 siblings
Gen 1 · 5 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)