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Mary Madden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Madden across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Madden |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Salesgirl |
| Industry | Pet Shop |
| Class of Worker | PW |
| Income (1939) | 288 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Salesgirl |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1918 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eileen Madden | Daughter | — | 20 | ~1920 |
| Julia Madden | Spouse | — | 60 | ~1880 |
| Mary Madden | Daughter | — | 22 | ~1918 |
| James Madden | Son | — | 28 | ~1912 |
| Cornelius Madden | Son | — | 24 | ~1916 |
| Walter Madden | Son | — | 18 | ~1922 |
| Frank Madden | Son | — | 30 | ~1910 |
| Frank Madden | Head | — | 66 | ~1874 |
| Elizabeth Madden | Daughter | — | 27 | ~1913 |
Census Appearances
1930
Hudson, New …
Daughter, age 12
Hudson, New Jersey · implied b. ~1918 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Hudson-County, New …
Daughter, age 22
Hudson-County, New Jersey · implied b. ~1918 — 9 household members
| Surname | Madden |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Salesgirl |
| Industry | Pet Shop |
| Class of Worker | PW |
| Income (1939) | 288 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Madden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Madden
Daughter · 1940 · age 22 · b. ~1918 · New Jersey
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Sibling
Elizabeth Madden
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Madden
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Madden
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Madden
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Madden
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Madden
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
39 people indexed on this census page (nara:1940:m-t0627-02408-00378)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Howard Fitzgerald | 33 | Head | Pipe Fitter | New Jersey |
| 42 | Mary Fitzgerald | 30 | Wife | Bookkeeper | New Jersey |
| 43 | Julia Toscano | 21 | Sister-in-law | Comptometer | New Jersey |
| 44 | James Toscano | 19 | Brother-in-law | Bus-Boy | New Jersey |
| 45 | Frank Toscano | 17 | Brother-in-law | — | New Jersey |
| 46 | Frank Madden | 66 | Head | Plasterer | Irish Free State |
| 47 | Julia Madden | 60 | Wife | — | Irish Free State |
| 48 | Frank Jr Madden | 30 | Son | Plasterer | New York |
| 49 | James Madden | 28 | Son | Laborer | New York |
| 50 | Elizabeth Madden | 27 | Daughter | Wrapper | New York |
| 51 | Cornelius Madden | 24 | Son | Watch Repairer | New York |
| 52 | Mary Madden THIS PERSON | 22 | Daughter | Salesgirl | New York |
| 53 | Eileen Madden | 20 | Daughter | New Worker | New York |
| 54 | Walter Madden | 18 | Son | — | New York |
| 55 | Edward Brennen | 39 | Head | Pressman | New Jersey |
| 56 | Margaret Brennen | 36 | Wife | — | New York |
| 57 | Edward Brennen | 7 | Son | — | New Jersey |
| 58 | Walter Brennen | 6 | Son | — | New Jersey |
| 59 | Bergen King | 56 | Head | Butler | New Jersey |
| 60 | Louise King | 47 | Wife | Laundress | New York |
| 61 | Ellison King | 25 | Son | Delivery Boy | New Jersey |
| 62 | Herbert King | 23 | Son | Car Deliverer | New Jersey |
| 63 | Bergen King | 21 | Son | Car Cleaner | New Jersey |
| 64 | Kenneth King | 20 | Son | Handy Man | New Jersey |
| 65 | Loris King | 17 | Daughter | — | New Jersey |
| 66 | Doris King | 15 | Daughter | — | New Jersey |
| 67 | Alice King | 82 | Head | — | New Jersey |
| 68 | Peter Daly | 53 | Head | Police Lieut | New Jersey |
| 69 | Irene Daly | 44 | Wife | — | New Jersey |
| 70 | Bridget Nolan | 75 | Aunt | — | Irish Free State |
| 71 | Martin Allbach | 76 | Head | — | Germany |
| 72 | Martin Jr Allbach | 51 | Son | Painter | Germany |
| 73 | Mary A Allbach | 52 | Daughter-in-law | — | New Jersey |
| 74 | Martin J Allbach | 21 | Grandson | Bench Hand | New Jersey |
| 75 | Ada May Allbach | 18 | Granddaughter | Stenographer | New Jersey |
| 76 | Richard A Freedon | 37 | Head | Clerk | New Jersey |
| 77 | Anna M Freedon | 47 | Wife | — | New Jersey |
| 78 | Richard A Jr Freedon | 26 | Son | Clerk | New Jersey |
| 79 | Joseph Mcaleny | 45 | Head | Fireman | New Jersey |
Related Census Records
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)