DC
Dorothy Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Dorothy Clark across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 708 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Operator |
| Township / Ward | Trenton City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Clark | Daughter | — | 23 | ~1917 |
| Dorothy Clark | Daughter | — | 21 | ~1919 |
| Mink Clark | Head | — | 44 | ~1896 |
| John Clark | Son | — | 14 | ~1926 |
Census Appearances
1920
Mercer, New …
Daughter, age 1
Mercer, New Jersey · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Daughter, age 11
Mercer, New Jersey · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Daughter, age 21
Mercer-County, New Jersey · implied b. ~1919 — 4 household members
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 708 |
| Highest Grade | Hs 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 Dorothy Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Clark (~0.92 confidence) and father John Clark (~0.92 confidence) and father Mink Clark (~0.92 confidence) and mother Minnie Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Clark
b. ~1890
Source father
● Household
· direct · ~0.92
Father
John Clark
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Mink Clark
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Minnie Clark
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Clark
Daughter · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
John Clark
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve 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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02436-00748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas H Cooper | 35 | Head | Detective | New Jersey |
| 2 | Blanche Cooper | 36 | Wife | — | New Jersey |
| 3 | Catherine Cooper | 17 | Daughter | — | New Jersey |
| 4 | Virginia Cooper | 16 | Daughter | — | New Jersey |
| 5 | Anna Schneider | 77 | Head | — | New Jersey |
| 6 | Fenton Schneider | 54 | Son | Sprayer | New Jersey |
| 7 | John Schneider | 23 | Grandson | Hustler | New Jersey |
| 8 | Mary Schneider | 21 | Granddaughter | — | New Jersey |
| 9 | Vincent Sylvester | 25 | Head | Baggage Man | New Jersey |
| 10 | Ruth Sylvester | 25 | Wife | — | South Carolina |
| 11 | Sylvia Sylvester | 7 | Daughter | — | New Jersey |
| 12 | Shirley Sylvester | 4 | Daughter | — | New Jersey |
| 13 | Mary Martha Sylvester | 1 | Daughter | — | New Jersey |
| 14 | Michael Maguire | 61 | Head | Gardener | Scotland |
| 15 | Mildred Maguire | 51 | Wife | — | New Jersey |
| 16 | Joseph Maguire | 26 | Son | Sorter | New Jersey |
| 17 | Helen Maguire | 18 | Daughter | — | New Jersey |
| 18 | Isaiah Bodine | 65 | Head | — | New Jersey |
| 19 | Catherine Bodine | 69 | Wife | — | New Jersey |
| 20 | Margaret Poohill | 33 | Daughter | Mailing Service | New Jersey |
| 21 | Patricia Poohill | 10 | Granddaughter | — | New Jersey |
| 22 | Samuel E Makin | 63 | Head | Packer | Connecticut |
| 23 | Marie Makin | 63 | Wife | — | New Jersey |
| 24 | Alphonso Schultz | 41 | Head | Chef | Germany |
| 25 | Sophie Schultz | 31 | Wife | — | Austria |
| 26 | Walter Schultz | 9 | Son | — | New Jersey |
| 27 | Jean Schultz | 6 | Daughter | — | New Jersey |
| 28 | Annie Schultz | 5 | Daughter | — | New Jersey |
| 29 | Margaret Schultz | 0 | Daughter | — | New Jersey |
| 30 | Mink Clark | 44 | Head | — | New Jersey |
| 31 | Genevieve Clark | 23 | Daughter | Typist | New Jersey |
| 32 | Dorothy Clark THIS PERSON | 21 | Daughter | Operator | New Jersey |
| 33 | John Clark | 14 | Son | — | New Jersey |
| 34 | Garfield C Hammond | 57 | Head | Painter | New Jersey |
| 35 | Mabel Hammond | 59 | Wife | — | New Jersey |
| 36 | Garfield J Hammond | 31 | Son | Clerk | New Jersey |
| 37 | Anna Johnson | 82 | Mother | — | New Jersey |
| 38 | Clarence H Lee | 46 | Head | Conductor | New Jersey |
| 39 | Marie Lee | 42 | Wife | — | Kentucky |
| 40 | William Farley | 37 | Brother-in-law | Truck Driver | New Jersey |
Pedigree Summary
Dorothy + 2 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)