MM
Mary Maloney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Maloney across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Daniel & Margaret — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Maloney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Stenograph |
| Industry | Brokerage House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1050 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stenograph |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1916 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Maloney | Daughter | — | 24 | ~1916 |
| Margaret Maloney | Daughter | — | 17 | ~1923 |
| Mrs Maloney | Head | — | 52 | ~1888 |
| Mr Maloney | Other | — | 57 | ~1883 |
Census Appearances
1920
Hudson, New …
Daughter, age 2
Hudson, New Jersey · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maloney |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Daughter, age 13
Hudson, New Jersey · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maloney |
| Given Name | Margaret R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 24
Hudson-County, New Jersey · implied b. ~1916 — 4 household members
| Surname | Maloney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Stenograph |
| Industry | Brokerage House |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1050 |
| Highest Grade | H-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 Mary Maloney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Maloney (~0.92 confidence) and mother Margaret Maloney (~0.92 confidence) and father Samuel Maloney (~0.92 confidence) and mother Margaret Maloney (~0.92 confidence) and mother Mrs Maloney (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Maloney
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Margaret Maloney
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Samuel Maloney
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Margaret Maloney
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mrs Maloney
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Maloney
Daughter · 1940 · age 24 · b. ~1916 · New Jersey
★ You are viewing this record
Sibling
Margaret Maloney
Sibling · 1940 · age 17
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-t0627-02409-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Dowd | 20 | Daughter | — | New Jersey |
| 42 | Martin Dowd | 18 | Son | — | New Jersey |
| 43 | Stephen Dowd | 16 | Son | — | New Jersey |
| 44 | Thomas Dowd | 14 | Son | — | New Jersey |
| 45 | Mrs. Margaret Doyle | 51 | Head | — | New Jersey |
| 46 | Demitrius Doyle | 15 | Daughter | — | New Jersey |
| 47 | Mrs. Joseph Mcgovern | 45 | Head | Bridgeman | New Jersey |
| 48 | Ethel Mcgovern | 41 | Wife | — | New Jersey |
| 49 | Mrs. Ella Weber | 65 | Lodger | — | New York |
| 50 | Mr. Frank Ennis | 38 | Head | Hooker | New Jersey |
| 51 | Mrs. Constance Ennis | 35 | Wife | — | New Jersey |
| 52 | Joseph Ennis | 20 | Son | — | New Jersey |
| 53 | Catherine Ennis | 16 | Daughter | — | New Jersey |
| 54 | Evelyn Ennis | 11 | Daughter | — | New Jersey |
| 55 | Marilyn Ennis | 8 | Daughter | — | New Jersey |
| 56 | Mr. John Butler | 36 | Head | Brakeman | Massachusetts |
| 57 | Florence Butler | 11 | Wife | — | New Jersey |
| 58 | Dorothy Butler | 10 | Daughter | — | New Jersey |
| 59 | John Butler | 5 | Son | — | New Jersey |
| 60 | Mrs. Margaret Kelly | 56 | Lodger | — | New Jersey |
| 61 | Mr. Frank Maher | 37 | Head | Asst. Manager | New York |
| 62 | Mrs. Ruth Maher | 32 | Wife | — | New York |
| 63 | Marietta Blannett | 62 | Head | — | New Jersey |
| 64 | Mr. William Cummings | 63 | Head | Laborer | New Jersey |
| 65 | Mrs. Mary Cummings | 65 | Wife | — | New York |
| 66 | Mrs. Margaret Maloney | 52 | Head | Board Member | New York |
| 67 | Mr. John Maloney | 57 | Father-in-law | — | New York |
| 68 | Mary Maloney THIS PERSON | 24 | Daughter | Stenograph | New Jersey |
| 69 | Margaret Maloney | 17 | Daughter | — | New Jersey |
| 70 | Mrs. Bertha Martin | 48 | Head | — | New York |
| 71 | Frank Martin | 24 | Son | Electrician | New York |
| 72 | Maureen Martin | 22 | Daughter | Typist | New York |
| 73 | Mrs. Margaret Powers | 69 | Head | — | Ireland |
| 74 | Catherine Powers | 45 | Daughter | Maid | New Jersey |
| 75 | Margaret Powers | 37 | Daughter | — | New Jersey |
| 76 | Anne Powers | 35 | Daughter | Filer | New Jersey |
| 77 | William Powers | 33 | Son | Clerk | New Jersey |
| 78 | Mary Powers | 33 | Daughter | — | New Jersey |
| 79 | Mr. Richard Thomas | 52 | Head | Supervisor | New Jersey |
| 80 | Mrs. Sarah Thomas | 41 | Wife | — | New Jersey |
Related Census Records
Pedigree Summary
Mary + 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)