RC
Robert Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Robert Cox across the 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Cox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Westmont |
| 1935 Residence (County) | Camden |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Westmont |
| Est. Birth Year | ~1917 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Edward Cox | Head | — | 50 | ~1890 |
| Robert Cox | Son | — | 23 | ~1917 |
| John Cox | Son | — | 25 | ~1915 |
| Lillian Cox | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Camden, New …
Son, age 4
Camden, New Jersey · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Son, age 13
Camden, New Jersey · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Camden-County, New …
Son, age 23
Camden-County, New Jersey · implied b. ~1917 — 4 household members
| Surname | Cox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Westmont |
| 1935 Residence (County) | Camden |
| Hours Worked | 0 |
| Highest Grade | H 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 Robert Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Cox (~0.92 confidence) and father Edward Cox (~0.92 confidence) and mother Lillian Cox (~0.92 confidence) and mother Mary Cox (~0.92 confidence) and father Raymond Cox (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Cox
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Edward Cox
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lillian Cox
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Mary Cox
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
Raymond Cox
b. ~1895
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Cox
Son · 1940 · age 23 · b. ~1917 · New Jersey
★ You are viewing this record
Sibling
John Cox
Sibling · 1940 · age 25
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-t0627-02321-00870)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie Fox | 42 | Wife | — | Tennessee |
| 42 | John G. Rickard | 17 | Step son | — | Tennessee |
| 43 | Kathryn Graham | 54 | Head | — | Tennessee |
| 44 | Ralph Graham | 33 | Son | Carpenter | New Jersey |
| 45 | Betty Graham | 30 | Daughter | Clerk | New Jersey |
| 46 | Samuel Graham | 25 | Son | Stock Clerk | New Jersey |
| 47 | Edith Graham | 24 | Daughter in law | — | New Jersey |
| 48 | James Hutton | 36 | Head | Polisher | Tennessee |
| 49 | Ethellyn Hutton | 33 | Wife | — | New Jersey |
| 50 | Barbara Hutton | 12 | Daughter | — | Pennsylvania |
| 51 | C. Blair Hutton | 10 | Son | — | Pennsylvania |
| 52 | Michael Speed | 41 | Head | Inspector | Scotland |
| 53 | Ethel Speed | 41 | Wife | — | England |
| 54 | Freda G. Speed | 18 | Daughter | Sales Girl | England |
| 55 | Edward Cox | 50 | Head | Engineer | Penna |
| 56 | Lillian Cox | 49 | Wife | — | Penna |
| 57 | Robert Cox THIS PERSON | 23 | Son | — | New Jersey |
| 58 | John Cox | 25 | Son | — | New Jersey |
| 59 | Lewis S. Clark | 43 | Head | Salesman | New Jersey |
| 60 | Emma Clark | 44 | Wife | — | New Jersey |
| 61 | John Clark | 20 | Son | Clerk | Penna |
| 62 | James Kernan | 37 | Head | Bartender | New Jersey |
| 63 | Laura Kernan | 35 | Wife | — | New Jersey |
| 64 | Horgland Kernan | 6 | Son | — | New Jersey |
| 65 | George W. Critch | 43 | Head | Draftsman | Mass. |
| 66 | Frances C. Critch | 33 | Wife | — | Cuba |
| 67 | Orlando Critch | 13 | Son | — | Cuba |
| 68 | Helen Critch | 12 | Daughter | — | Cuba |
| 69 | George Critch | 11 | Son | — | Mass. |
| 70 | Charles Critch | 8 | Son | — | Mass. |
| 71 | Walter Campbell | 57 | Head | Conductor | New Jersey |
| 72 | Marion Campbell | 44 | Wife | — | Penna |
| 73 | Robert Campbell | 19 | Son | Machinist (Helper) | Penna |
| 74 | Kenneth Campbell | 15 | Son | — | New Jersey |
| 75 | Anthony Warner | 44 | Head | Tile Setter (Helper) | Penna |
| 76 | Margaret Warner | 42 | Wife | — | Penna |
| 77 | Joseph Warner | 6 | Son | — | Penna |
| 78 | Albert Morgan | 44 | Head | Manager | Penna |
| 79 | Louise Morgan | 41 | Wife | — | Penna |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 5 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)