MC
Mary Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Mary Clark across the 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed), with identified parents Howard & Howard — first a son (b.~1919), then head of a 12-person household.
Age 21
b. ~1919
Female
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Clark |
| Given Name | Mary A. |
| Relationship to Head | Son |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Kirkwood |
| 1935 Residence (County) | Camden |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Kirkwood |
| Est. Birth Year | ~1919 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bernadette Clark | Daughter | — | 19 | ~1921 |
| Elsie Clark | Daughter | — | 23 | ~1917 |
| Dorothy Clark | Daughter | — | 11 | ~1929 |
| Irma Clark | Daughter | — | 13 | ~1927 |
| Helen Clark | Daughter | — | 12 | ~1928 |
| Alice Clark | Daughter | — | 9 | ~1931 |
| Josephine Clark | Daughter | — | 13 | ~1927 |
| Howard Clark | Head | — | 45 | ~1895 |
| Charles Clark | Son | — | 23 | ~1917 |
| Mary Clark | Son | — | 21 | ~1919 |
| Thomas Clark | Son | — | 22 | ~1918 |
| Belinda Clark | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Camden, New …
Other, age
Camden, New Jersey · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mary |
| Relationship to Head | Grand Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Son, age 11
Camden, New Jersey · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mary |
| Relationship to Head | Son |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Camden-County, New …
Son, age 21
Camden-County, New Jersey · implied b. ~1919 — 12 household members
| Surname | Clark |
| Given Name | Mary A. |
| Relationship to Head | Son |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Kirkwood |
| 1935 Residence (County) | Camden |
| Highest Grade | No 8 |
| 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 Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Howard Clark (~0.92 confidence) and father Howard Clark (~0.92 confidence) and mother Belinda Clark (~0.92 confidence) and mother Bernice Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Howard Clark
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Howard Clark
b. ~1905
Source father
● Household
· direct · ~0.92
Mother
Belinda Clark
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Bernice Clark
b. ~1905
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Clark
Son · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
Alice Clark
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Clark
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Clark
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Clark
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadette Clark
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irma Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Clark
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Clark
Sibling · 1940 · age 23
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
40 people indexed on this census page (nara:1940:m-t0627-02323-00712)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles P. Phillips | 54 | Head | — | Penna |
| 2 | Mary E. Phillips | 53 | Wife | Clerk | New Jersey |
| 3 | Francis M. Mayer | 33 | Daughter | — | New Jersey |
| 4 | Dorothy E. Mayer | 8 | Granddaughter | — | New Jersey |
| 5 | Harold Birkett | 56 | Brother in law | Laborer | New Jersey |
| 6 | Mabel Richmond | 57 | Head | — | Penna |
| 7 | Marie Richmond | 36 | Son | Mechanic | Penna |
| 8 | Margaret Brady | 34 | Daughter | — | Penna |
| 9 | Margaret Brady | 9 | Granddaughter | — | New Jersey |
| 10 | Ward Herr | 63 | Head | — | Penna |
| 11 | Mary Herr | 66 | Wife | — | Penna |
| 12 | William Baxter | 44 | Head | Salesman | Penna |
| 13 | Mary S. Baxter | 37 | Wife | — | Penna |
| 14 | James Barrington | 24 | Head | Laborer | Penna |
| 15 | Florence Barrington | 24 | Wife | — | New Jersey |
| 16 | Howard Clark | 45 | Head | Laborer | Penna |
| 17 | Belinda Clark | 45 | Wife | — | New Jersey |
| 18 | Charles A. Clark | 23 | Son | Salesman | New Jersey |
| 19 | Thomas A. Clark | 22 | Son | Salesman | New Jersey |
| 20 | Mary A. Clark THIS PERSON | 21 | Son | — | New Jersey |
| 21 | Bernadette Clark | 19 | Daughter | — | New Jersey |
| 22 | Josephine Clark | 13 | Daughter | — | New Jersey |
| 23 | Irma A. Clark | 13 | Daughter | — | New Jersey |
| 24 | Helen A. Clark | 12 | Daughter | — | New Jersey |
| 25 | Dorothy A. Clark | 11 | Daughter | — | New Jersey |
| 26 | Alice A. Clark | 9 | Daughter | — | New Jersey |
| 27 | Elsie A. Clark | 23 | Daughter | Examiner | New Jersey |
| 28 | Samuel Danley | 51 | Head | Laborer | New Jersey |
| 29 | Blank Line | None | — | — | — |
| 30 | Charles A. Danley | 25 | Son | Laborer | New Jersey |
| 31 | Samuel Danley | 21 | Son | Helper | New Jersey |
| 32 | Ruth Danley | 17 | Daughter | — | New Jersey |
| 33 | Russell Danley | 13 | Son | Laborer | New Jersey |
| 34 | William Eagle | 59 | Head | Laborer | New York |
| 35 | Catherine Eagle | 52 | Wife | — | Penna |
| 36 | Anna Eagle | 18 | Daughter | — | New York |
| 37 | William J. Eagle | 17 | Son | — | New York |
| 38 | Margaret Eagle | 16 | Daughter | — | New York |
| 39 | Wesley Reed | 33 | Head | Laborer | New Jersey |
| 40 | Hazel A. Reed | 34 | Wife | — | Penna |
Related Census Records
Pedigree Summary
Mary + 9 siblings
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)