DM
David Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this David Murphy across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Daniel & Daniel — first a son (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Murphy |
| Given Name | David C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Post Office |
| Industry | Clerk - J.C. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 670 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Post Office |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| John Murphy | Head | — | 67 | ~1873 |
| John Murphy | Son | — | 39 | ~1901 |
| David Murphy | Son | — | 27 | ~1913 |
| Margaret Murphy | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Hudson, New …
Son, age 5
Hudson, New Jersey · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Son, age 16
Hudson, New Jersey · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Daniel J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 27
Hudson-County, New Jersey · implied b. ~1913 — 4 household members
| Surname | Murphy |
| Given Name | David C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Post Office |
| Industry | Clerk - J.C. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 670 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 David Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Murphy (~0.92 confidence) and father Daniel Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and mother Catherine Murphy (~0.92 confidence) and mother Margaret Murphy (~0.92 confidence) and mother Nora Murphy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Murphy
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Daniel Murphy
b. ~1874
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Catherine Murphy
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Margaret Murphy
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Nora Murphy
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Murphy
Son · 1940 · age 27 · b. ~1913 · New Jersey
★ You are viewing this record
Sibling
John Murphy
Sibling · 1940 · age 39
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02405-00558)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lawrence Calabrese | 18 | Son | Ship Fitter | New Jersey |
| 2 | Rita Calabrese | 9 | Daughter | — | New Jersey |
| 3 | Dolores Calabrese | 8 | Daughter | — | New Jersey |
| 4 | James Mulcahy | 34 | Head | Bus Driver | New Jersey |
| 5 | Rose Mulcahy | 22 | Wife | — | New Jersey |
| 6 | Frank Tuthill | 67 | Head | Salesman | New York |
| 7 | Anna Tuthill | 67 | Wife | — | Massachusetts |
| 8 | William Kinsey | 40 | Head | Fireman & Engr | New Jersey |
| 9 | Sarah Kinsey | 36 | Wife | — | New Jersey |
| 10 | Shirley Kinsey | 16 | Daughter | — | New Jersey |
| 11 | Wayne Kinsey | 14 | Son | — | New Jersey |
| 12 | William Kinsey | 10 | Son | — | New Jersey |
| 13 | Wayne Namatta | 33 | Boarder | Laborer | New Jersey |
| 14 | Vincent Zenga | 39 | Head | Bus Driver | Italy |
| 15 | Anna Zenga | 34 | Wife | — | New Jersey |
| 16 | William Zenga | 16 | Son | New Worker | New Jersey |
| 17 | Gloria Zenga | 8 | Daughter | — | New Jersey |
| 18 | Mary Gangarossa | 51 | Head | Misc. Service | Italy |
| 19 | John Gangarossa | 28 | Son | Bus Driver | New Jersey |
| 20 | Louis Salerno | 51 | Son-in-law | Bartender | Italy |
| 21 | Fannie Salerno | 33 | Daughter | Bench Hand | New Jersey |
| 22 | Dominick Salerno | 15 | Grand-son | — | New Jersey |
| 23 | William Maub | 49 | Head | Fireman | New Jersey |
| 24 | Elinor Maub | 37 | Wife | — | Pennsylvania |
| 25 | Chester Babula | 40 | Head | Police Officer | Poland |
| 26 | Helen Babula | 35 | Wife | — | New Jersey |
| 27 | Robert Babula | 9 | Son | — | New Jersey |
| 28 | Raymond Babula | 5 | Son | — | New Jersey |
| 29 | George Rosmaita | 64 | Head | Cooper | Poland |
| 30 | Julia Rosmaita | 64 | Wife | Housework | Poland |
| 31 | Raymond Rosmaita | 28 | Son | Clerk | New Jersey |
| 32 | John Murphy | 67 | Head | Pipe Fitter | Eire |
| 33 | Margaret Murphy | 67 | Wife | — | Scotland |
| 34 | John B. Murphy | 39 | Son | Post Office | New Jersey |
| 35 | David C. Murphy THIS PERSON | 27 | Son | Post Office | New Jersey |
| 36 | Rudolph Pogle | 46 | Head | Route Sales | New Jersey |
| 37 | Molly Pogle | 46 | Wife | Mach Oper | Eire |
| 38 | Dorothy Lundy | 21 | Niece | Mail Office | New York |
| 39 | John B. Darcy | 63 | Head | — | New Jersey |
| 40 | Nora Darcy | 60 | Wife | — | Eire |
Related Census Records
Pedigree Summary
David + 1 sibling
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 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)