JM
John Murphy — 1920 US Census Record
Model Tree available1920 United States Federal Census · New Castle, Delaware
Our Model Tree links this John Murphy across the 1900, 1910 and 1920 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1899), then head of a 7-person household.
Age 21
b. ~1899
Male
Son
Born: Delaware
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | New Castle, Delaware |
| Surname | Murphy |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Salesman |
| Industry | Ice & Coal |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Salesman |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1899 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Julia Murphy | Daughter | — | 16 | ~1904 |
| Annie Murphy | Daughter | — | 10 | ~1910 |
| Mary Murphy | Daughter | — | 9 | ~1911 |
| John Murphy | Head | — | 51 | ~1869 |
| James Murphy | Son | — | 19 | ~1901 |
| John Murphy | Son | — | 21 | ~1899 |
| Annie Murphy | Spouse | — | 44 | ~1876 |
Census Appearances
1900
New Castle, …
Son, age 3
New Castle, Delaware · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Delaware |
| Birth Month | May |
| Birth Year | 1897 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1910
New Castle, …
Son, age 12
New Castle, Delaware · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1920
New Castle, …
Son, age 21
New Castle, Delaware · implied b. ~1899 — 7 household members
| Surname | Murphy |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Salesman |
| Industry | Ice & Coal |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 John Murphy across 3 US Census years (1900, 1910 and 1920) in New Castle, Delaware, using XGBoost record linkage. Identified parents: father John Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and mother Annie Murphy (~0.92 confidence) and mother Margaret Murphy (~0.92 confidence) and mother Annie Murphy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Murphy
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1864
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Annie Murphy
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Margaret Murphy
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Annie Murphy
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Murphy
Son · 1920 · age 21 · b. ~1899 · Delaware
★ You are viewing this record
Sibling
Julia Murphy
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Murphy
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Murphy
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Murphy
Sibling · 1920 · age 9
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
1920 US Federal Census — New Castle, Delaware
Open full size
1920 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu202unit:0773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ida | 45 | Wife | None | Russia |
| 52 | Abraham | 20 | Son | None | Pennsylvania |
| 53 | Alice | 18 | Daughter | Grocery Clerk | Pennsylvania |
| 54 | Fred | 16 | Son | Grocery Clerk | Pennsylvania |
| 55 | Rose | 14 | Daughter | Electrician Helper | Delaware |
| 56 | Bertha | 11 | Daughter | None | Delaware |
| 57 | William H. Batliner | 30 | Head | None | Virginia |
| 58 | Mabel E. Batliner | 34 | Wife | Electrician | Delaware |
| 59 | Mabel E. Batliner | 3 | Daughter | None | Delaware |
| 60 | Fannie O. Ellwanger | 55 | Head | None | Maryland |
| 61 | Annie E. Ellwanger | 28 | Daughter | Stenographer | Delaware |
| 62 | John Murphy | 51 | Head | Fireman | Ireland |
| 63 | Annie Murphy | 44 | Wife | None | Ireland |
| 64 | John J. Murphy THIS PERSON | 21 | Son | Salesman | Delaware |
| 65 | James P. Murphy | 19 | Son | Salesman | Delaware |
| 66 | Julia A. Murphy | 16 | Daughter | Packer | Delaware |
| 67 | Annie M. Murphy | 10 | Daughter | None | Delaware |
| 68 | Mary M. Murphy | 9 | Daughter | None | Delaware |
| 69 | Elmer Lennon | 32 | Head | Smelter | Illinois |
| 70 | Francis Lennon | 31 | Wife | None | Delaware |
| 71 | Gibbons Lennon | 12 | Son | None | Delaware |
| 72 | Genevieve Lennon | 10 | Daughter | None | Delaware |
| 73 | Elmer Lennon | 6 | Son | None | Delaware |
| 74 | Frances Lennon | 2 | Son | None | Delaware |
| 75 | Robert Lennon | 0 | Son | None | Delaware |
| 76 | Bridget Mckenna | 58 | Head | None | Ireland |
| 77 | Margaret Mckenna | 22 | Daughter | Stenographer | Delaware |
| 78 | Amelia E. Mckenna | 18 | Daughter | File Clerk | Delaware |
| 79 | James Berkowniske | 27 | Head | Chipper | Ukrania|Ukraine |
| 80 | Rose Berkowniske | 24 | Wife | None | Austria |
| 81 | Mary Berkowniske | 0 | Daughter | None | Delaware |
| 82 | Mary V. Hannington | 34 | Head | None | Maryland |
| 83 | James B. Hannington | 5 | Son | None | Delaware |
| 84 | Raymond T. Hannington | 2 | Son | None | Delaware |
| 85 | Amos W. Hannington | 0 | Son | None | Delaware |
| 86 | Emory J. Wood | 17 | Brother | Laborer | Maryland |
| 87 | William H. Smith | 34 | Head | Machinist | New Jersey |
| 88 | Cecelia Smith | 29 | Wife | None | Delaware |
| 89 | William H. Jr. Smith | 11 | Son | None | New Jersey |
| 90 | Nicholas Daswich | 28 | Head | Boilermaker | Russia |
| 91 | Mary Daswich | 26 | Wife | None | Russia |
| 92 | Peter Daswich | 5 | Son | None | Delaware |
| 93 | Alex Daswich | 1 | Son | None | Delaware |
| 94 | Constantine Krouhuk | 27 | Boarder | Car Builder | Russia |
| 95 | Mark Kozowsky | 36 | Boarder | Steel Worker | Russia |
| 96 | Walter Kozbowski | 27 | Boarder | Chipper | Russia |
| 97 | Peter Kozel | 34 | Head | Carpenter | Russia |
| 98 | Verda Kozel | 25 | Wife | None | Russia |
| 99 | Sophia Kozel | 5 | Daughter | None | Indiana |
| 100 | Henry Somekowsky | 24 | Boarder | Carpenter | Russia |
Pedigree Summary
John + 4 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)