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Margaret Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Margaret Murphy across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Jeremiah & Dennis — first a daughter (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Murphy |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Cigarette Co. |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1500 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stenographer |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1910 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Murphy | Daughter | — | 30 | ~1910 |
| Irene Murphy | Daughter | — | 28 | ~1912 |
| Jeremiah Murphy | Head | — | 64 | ~1876 |
| Catherine Murphy | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Hudson, New …
Daughter, age 9
Hudson, New Jersey · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | England |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Daughter, age 19
Hudson, New Jersey · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | England |
| Occupation | Stenographer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 30
Hudson-County, New Jersey · implied b. ~1910 — 4 household members
| Surname | Murphy |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Stenographer |
| Industry | Cigarette Co. |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1500 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| 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 Margaret Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jeremiah Murphy (~0.92 confidence) and father Dennis Murphy (~0.92 confidence) and mother Rose Murphy (~0.92 confidence) and mother Catherine Murphy (~0.92 confidence) and mother Agnes Murphy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeremiah Murphy
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Dennis Murphy
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Rose Murphy
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Catherine Murphy
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Agnes Murphy
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Murphy
Daughter · 1940 · age 30 · b. ~1910 · New Jersey
★ You are viewing this record
Sibling
Irene Murphy
Sibling · 1940 · age 28
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-t0627-02401-00440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jeremiah Murphy | 64 | Head | Laborer | Eire |
| 42 | Catherine Murphy | 63 | Wife | — | Eire |
| 43 | Margaret Murphy THIS PERSON | 30 | Daughter | Stenographer | New Jersey |
| 44 | Irene Murphy | 28 | Daughter | Assist. Cashier | New Jersey |
| 45 | Anna Ludlow | 51 | Head | — | New Jersey |
| 46 | Lucy Ludlow | 29 | Daughter | Telephone Operator | New Jersey |
| 47 | James Ludlow | 27 | Son | Clerk | New Jersey |
| 48 | Catherine Ludlow | 19 | Daughter | Stenography | New Jersey |
| 49 | Dennis Duff | 60 | Brother | Truck Driver | New Jersey |
| 50 | James Reilly | 68 | Head | Street Sweeper | Eire |
| 51 | Margaret Reilly | 62 | Wife | — | Eire |
| 52 | John Mccarthy | 45 | Head | Laborer | Eire |
| 53 | Nora Mccarthy | 45 | Wife | — | Eire |
| 54 | Helen Mccarthy | 18 | Daughter | New Worker | Mass. |
| 55 | Agnes Mccarthy | 16 | Daughter | — | Mass. |
| 56 | John Mccarthy | 14 | Son | — | New Jersey |
| 57 | Margaret Mccarthy | 10 | Daughter | — | New Jersey |
| 58 | Edward Stack | 43 | Head | Helper | New Jersey |
| 59 | Ellen Stack | 40 | Wife | — | New Jersey |
| 60 | Mary Stack | 16 | Daughter | — | New Jersey |
| 61 | John Stack | 13 | Son | — | New Jersey |
| 62 | Andrew O'Connor | 38 | Head | Sexton | New Jersey |
| 63 | Anna O'Connor | 34 | Wife | — | New Jersey |
| 64 | Robert O'Connor | 17 | Son | Delivery Boy | New Jersey |
| 65 | Joseph O'Connor | 15 | Son | — | New Jersey |
| 66 | Lawrence O'Connor | 12 | Son | — | New Jersey |
| 67 | Raymond O'Connor | 8 | Son | — | New Jersey |
| 68 | John O'Connor | 7 | Son | — | New Jersey |
| 69 | Margaret O'Connor | 5 | Daughter | — | New Jersey |
| 70 | Mary Ann O'Connor | 3 | Daughter | — | New Jersey |
| 71 | Michael Ross | 36 | Head | Laborer | New Jersey |
| 72 | Elizabeth Ross | 36 | Wife | — | New Jersey |
| 73 | John Ross | 4 | Son | — | New Jersey |
| 74 | Anne Ross | 71 | Mother-in-law | — | New Jersey |
| 75 | Elizabeth Mcgowan | 57 | Head | — | New Jersey |
| 76 | William Mcgowan | 30 | Son | Clerk | New Jersey |
| 77 | Veronica Mcgowan | 28 | Daughter | New Worker | New Jersey |
| 78 | John Mcgowan | 26 | Son | Laborer | New Jersey |
| 79 | Elizabeth Mcgowan | 20 | Daughter | Stenographer | New Jersey |
| 80 | Helen Mcgowan | 18 | Daughter | New Worker | New Jersey |
Pedigree Summary
Margaret + 1 sibling
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)