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Mary Madden — 1940 US Census Record
Model Tree available1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Mary Madden across the 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1916), then head of a 8-person household.
Age 24
b. ~1916
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Madden |
| Given Name | Mary D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Collingswood |
| Additional Details | |
| Occupation | Clerical worker |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 250 |
| Highest Grade | Hs-4 |
| 1935 Residence | New Jersey |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerical Worker |
| Township / Ward | Haddon Heights Borough |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Madden | Spouse | — | 61 | ~1879 |
| James Madden | Head | — | 62 | ~1878 |
| Mary Madden | Daughter | — | 24 | ~1916 |
| Elizabeth Morris | Daughter | — | 36 | ~1904 |
| Canceled Morris | Other | — | — | |
| Gertrude Madden | Other | — | 31 | ~1909 |
| Paul Madden | Other | — | 21 | ~1919 |
| John Morris | Other | — | 6 | ~1934 |
Census Appearances
1920
Camden, New …
Daughter, age 4
Camden, New Jersey · implied b. ~1916 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Camden, New …
Daughter, age 14
Camden, New Jersey · implied b. ~1916 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Madden |
| Given Name | Mary W. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Camden-County, New …
Daughter, age 24
Camden-County, New Jersey · implied b. ~1916 — 8 household members
| Surname | Madden |
| Given Name | Mary D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Collingswood |
| Occupation | Clerical worker |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 250 |
| Highest Grade | Hs-4 |
| 1935 Residence | New Jersey |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Madden (~0.92 confidence) and father James Madden (~0.92 confidence) and father Jas Madden (~0.92 confidence) and mother Elizabeth Madden (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Madden
b. ~1878
Source father
● Household
· direct · ~0.92
Father
James Madden
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Jas Madden
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Madden
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Madden
Daughter · 1940 · age 24 · b. ~1916 · New Jersey
★ You are viewing this record
Sibling
Elizabeth Morris
Sibling · 1940 · age 36
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 — Camden-County, New Jersey
Open full size
1940 US Federal Census — Camden-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02322-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Susan P. Moore | 44 | Head | — | Pennsylvania |
| 2 | Annie O'Malley | 66 | House-keeper | Housekeeper | Irish Free State |
| 3 | James J. Madden | 62 | Head | Sales Agent | Pennsylvania |
| 4 | Elizabeth Madden | 61 | Wife | — | Pennsylvania |
| 5 | Mary D. Madden THIS PERSON | 24 | Daughter | Clerical Worker | Pennsylvania |
| 6 | Paul Madden | 21 | Nephew | Salesman | Pennsylvania |
| 7 | Gertrude Madden | 31 | Niece | Secretary | Pennsylvania |
| 8 | Elizabeth Morris | 36 | Daughter | Secretary Stenographer | Pennsylvania |
| 9 | John Jr. Morris | 6 | Grandson | — | Pennsylvania |
| 10 | Canceled Morris | None | — | — | — |
| 11 | Frank J. Leonard | 48 | Head | Mortician | Pennsylvania |
| 12 | Elsie Leonard | 41 | Wife | — | Pennsylvania |
| 13 | Frank Jr. Leonard | 3 | Son | — | New Jersey |
| 14 | Lewis Hanselmay | 68 | Head | Fruit Merchant | New Jersey |
| 15 | Gertrude Hanselmay | 23 | Daughter | Secretary Stenographer | New Jersey |
| 16 | Marion Schoelkopf | 41 | House-keeper | Housekeeper | New Jersey |
| 17 | Ellen Schoelkopf | 16 | House-keeper's daughter | — | New Jersey |
| 18 | Walter Alumney | 33 | Head | Rector | Wash. D.C. |
| 19 | Dorothy L. Alumney | 29 | Wife | — | Virginia |
| 20 | Walter Jr. Alumney | 3 | Son | — | Wash. D.C. |
| 21 | Viola M. Dickerson | 55 | Mother-in-law | — | Virginia |
| 22 | Mary E. Plunket | 40 | Head | Typist Office Clerk | New Jersey |
| 23 | Georgiana B. Plunket | 86 | Grandmother | — | Pennsylvania |
| 24 | John Plunket | 33 | Brother | Driver | New Jersey |
| 25 | John F. Cushman | 69 | Head | Vault-Employee - Bank | Maine |
| 26 | Ellen D. Cushman | 65 | Wife | — | Massachusetts |
| 27 | Hay Q. Yee | 30 | Head | Laundry Man | China |
| 28 | Dunder Yee | 17 | Brother | Helper | China |
| 29 | Lloyd Smith | 29 | Head | Credit Manager | New Jersey |
| 30 | Helen Smith | 30 | Wife | — | New Jersey |
| 31 | Joan Smith | 0 | Daughter | — | New Jersey |
| 32 | Paul J. Charles | 25 | Head | Salesman | Indiana |
| 33 | Iris Charles | 21 | Wife | — | Indiana |
| 34 | William N. Charles | 1 | Son | — | New Jersey |
| 35 | Harlan R. Chedwin | 58 | Head | Laborer - W.P.A. | New Jersey |
| 36 | Ruth T. Chedwin | 56 | Wife | — | Pennsylvania |
| 37 | Margaret Mack | 26 | Head | Matron | Pennsylvania |
| 38 | Agnes Mack | 19 | Sister | — | Pennsylvania |
| 39 | Mary Davis | 25 | Head | Secretary Stenographer | Pennsylvania |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 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)