JC
John Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Gloucester-County, New Jersey
Our Model Tree links this John Clark across the 1920, 1930 and 1940 US Censuses in Gloucester-County, New Jersey (XGBoost, ~Confirmed), with identified parents Walter & John — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Gloucester-County, New Jersey |
| Surname | Clark |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | New Jersey |
| Additional Details | |
| Occupation | Bus Driver |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 408 |
| Highest Grade | H 4 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Bus Driver |
| Township / Ward | Washington Twp |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Walter Clark | Head | — | 46 | ~1894 |
| M Clark | Son | — | 21 | ~1919 |
| John Clark | Son | — | 24 | ~1916 |
| Russell Clark | Son | — | 18 | ~1922 |
| Rose Clark | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Gloucester, New …
Son, age 4
Gloucester, New Jersey · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Gloucester, New …
Son, age 14
Gloucester, New Jersey · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Gloucester-County, New …
Son, age 24
Gloucester-County, New Jersey · implied b. ~1916 — 5 household members
| Surname | Clark |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | New Jersey |
| Occupation | Bus Driver |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 408 |
| Highest Grade | H 4 |
| 1935 Residence | New Jersey |
| 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 John Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Clark (~0.92 confidence) and father John Clark (~0.82 confidence) and mother Lizzie Clark (~0.82 confidence) and mother Rose Clark (~0.92 confidence) and mother Lillie Clark (~0.92 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
Walter Clark
b. ~1894
Source father
● Household
· direct · ~0.92
Father
John Clark
b. ~1855
Source father>father
● Household
· direct · ~0.82
Mother
Lizzie Clark
b. ~1858
Source father>mother
● Household
· direct · ~0.82
Mother
Rose Clark
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Lillie Clark
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Clark
Son · 1940 · age 24 · b. ~1916 · New Jersey
★ You are viewing this record
Sibling
Russell Clark
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
M Clark
Sibling · 1940 · age 21
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 — Gloucester-County, New Jersey
Open full size
1940 US Federal Census — Gloucester-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02343-00443)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Franklin Paul Carr | 17 | Son | — | Pennsylvania |
| 42 | Dorothy Helen Carr | 15 | Daughter | — | Pennsylvania |
| 43 | John Richard Carr | 13 | Son | — | Pennsylvania |
| 44 | Harold L. Cannon | 42 | Head | Estimator | Pennsylvania |
| 45 | Florence Cannon | 36 | Wife | — | Pennsylvania |
| 46 | Ralph Tears | 37 | Head | Elec. Welder | Pennsylvania |
| 47 | Binnie Tears | 36 | Wife | — | Pennsylvania |
| 48 | Ralph Jr. Tears | 4 | Son | — | Maryland |
| 49 | John Reinhart | 47 | Head | Draftsman | New Jersey |
| 50 | Mary Reinhart | 46 | Wife | — | New Jersey |
| 51 | Marie Reinhart | 16 | Daughter | — | New Jersey |
| 52 | John Reinhart | 14 | Son | — | New Jersey |
| 53 | Margaret Reinhart | 1 | Daughter | — | New Jersey |
| 54 | — | None | — | — | — |
| 55 | David Flanigan | 27 | Head | Shipping Clerk | Pennsylvania |
| 56 | Catherine Flanigan | 25 | Wife | Clerk | Pennsylvania |
| 57 | Walter S. Clark | 46 | Head | Delivery Baggage | New Jersey |
| 58 | Rose Clark | 43 | Wife | — | New Jersey |
| 59 | John Clark THIS PERSON | 24 | Son | Bus Driver | New Jersey |
| 60 | M. Vernon Clark | 21 | Son | Laborer | New Jersey |
| 61 | Russell Clark | 18 | Son | Laborer | New Jersey |
| 62 | Walter Muir | 44 | Head | Salesman | New Jersey |
| 63 | Helen Muir | 36 | Wife | — | New Jersey |
| 64 | Ruth Muir | 14 | Daughter | — | New Jersey |
| 65 | Naomi Muir | 5 | Daughter | — | New Jersey |
| 66 | Janice Muir | 4 | Daughter | — | New Jersey |
| 67 | Edward Muir | 2 | Son | — | New Jersey |
| 68 | Frank Petrosky | 66 | Head | Landscape Gardener | Germany |
| 69 | Helen Petrosky | 56 | Wife | — | New Jersey |
| 70 | Wm. Harry Kandle | 61 | Head | Operator | New Jersey |
| 71 | Elmira Kandle | 59 | Wife | — | New Jersey |
| 72 | Isaac Robb | 31 | Hired man | Laborer | Virginia |
| 73 | Walter Brill | 30 | Hired man | Laborer | Virginia |
| 74 | Harry Bahms | 33 | Head | Service Manager | New Jersey |
| 75 | Erma Bahms | 29 | Wife | — | New Jersey |
| 76 | Agnes Johnson | 63 | Mother | — | New Jersey |
| 77 | Abbie Patterson | 68 | Lodger | — | New Jersey |
| 78 | Jess Price | 33 | Head | Laborer | New Jersey |
| 79 | Nellie Price | 27 | Wife | — | New Jersey |
| 80 | Erma Price | 16 | Daughter | — | New Jersey |
Related Census Records
Pedigree Summary
John + 2 siblings
Gen 1 · 3 parents
~0.92
Gen 2 · 2 grandparents
~0.82
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)