WC
Walter Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Walter Campbell across the 1910, 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Son
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Camden |
| 1935 Residence (County) | Camden |
| Additional Details | |
| Occupation | Clerk |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Clerk |
| Township / Ward | Camden |
| Est. Birth Year | ~1909 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Owen Brennan | Other | — | 25 | ~1915 |
| Elizabeth Campbell | Head | — | 56 | ~1884 |
| Walter Campbell | Son | — | 31 | ~1909 |
| Margaret Campbell | Daughter | — | 21 | ~1919 |
| Catherine Brennan | Spouse | — | 23 | ~1917 |
Census Appearances
1910
New Castle, …
Son, age 1
New Castle, Delaware · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | none |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1920
Salem, New …
Son, age 11
Salem, New Jersey · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Camden, New …
Son, age 21
Camden, New Jersey · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Camden-County, New …
Son, age 31
Camden-County, New Jersey · implied b. ~1909 — 5 household members
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Camden |
| 1935 Residence (County) | Camden |
| Occupation | Clerk |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Walter Campbell across 4 US Census years (1910, 1920, 1930 and 1940) in 4 locations, using XGBoost record linkage. Identified parents: father Thomas Campbell (~0.92 confidence) and father Thomas Campbell (~0.92 confidence) and mother Catherine Brennan (~0.50 confidence) and mother Elizabeth Campbell (~0.92 confidence) and mother Elizabeth Campbell (~0.92 confidence) and mother Elizabeth Campbell (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.85
Father
Thomas Campbell
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Thomas Campbell
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Catherine Brennan
b. ~1917
Source mother
● Household
· direct · ~0.5
Mother
Elizabeth Campbell
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Campbell
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Campbell
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Campbell
Son · 1940 · age 31 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Margaret Campbell
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 — 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-t0627-02393-00057)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis Mckeen | 12 | Daughter | — | New Jersey |
| 2 | Elizabeth Mckeen | 12 | Daughter | — | New Jersey |
| 3 | Elizabeth Campbell | 56 | Head | — | Delaware |
| 4 | Walter Campbell THIS PERSON | 31 | Son | Clerk | Delaware |
| 5 | Owen Brennan | 25 | Son in law | Maintenance | New Jersey |
| 6 | Catherine Brennan | 23 | Wife | Plate Straighten | New Jersey |
| 7 | Margaret Campbell | 21 | Daughter | Assembler | New Jersey |
| 8 | William Brennan | 29 | Head | Machinist | New Jersey |
| 9 | Mary Brennan | 28 | Wife | — | Penna |
| 10 | Marie Brennan | 3 | Daughter | — | New Jersey |
| 11 | Edith Brennan | 1 | Daughter | — | New Jersey |
| 12 | Lydia Hittel | 49 | Head | — | Maryland |
| 13 | Israel Hittel | 27 | Son | Iron Worker | New Jersey |
| 14 | Eleanor Hittel | 26 | Daughter | New Worker | New Jersey |
| 15 | Florence Hittel | 25 | Daughter | New Worker | New Jersey |
| 16 | Virginia Hittel | 23 | Daughter | New Worker | New Jersey |
| 17 | Frank Hittel | 21 | Son | Helper | New Jersey |
| 18 | Martha Hittel | 20 | Daughter | New Worker | New Jersey |
| 19 | Fleetwood Hittel | 19 | Daughter | New Worker | New Jersey |
| 20 | Roy Hittel | 16 | Son | Machine | New Jersey |
| 21 | Joseph Disrocher | 61 | Head | Carpenter | Canada |
| 22 | Anna Disrocher | 62 | Wife | — | Canada |
| 23 | Joseph Jr Disrocher | 27 | Son | New Worker | New Jersey |
| 24 | George Disrocher | 23 | Son | New Worker | Rhode Island |
| 25 | William Pruchett | 58 | Head | Machinist | New Jersey |
| 26 | Ada Pruchett | 57 | Wife | Waitress | Penna |
| 27 | John J Devan | 53 | Head | Machinist | Penna |
| 28 | Margaret P Devan | 56 | Wife | — | Penna |
| 29 | John J Devan | 21 | Son | Parts Clerk | Penna |
| 30 | Isabella Devan | 20 | Daughter | Assembly | Penna |
| 31 | Thomas Devan | 17 | Son | — | Penna |
| 32 | Frederick Mullen | 34 | Head | New Worker | Penna |
| 33 | Margaret Mullen | 28 | Wife | Canner | Penna |
| 34 | Julia Toner | 52 | Mother | — | Penna |
| 35 | William Jr Toner | 60 | Father | Labor | New Jersey |
| 36 | Frank Mullen | 12 | Son | Dry Room | Penna |
| 37 | Helen Mullen | 8 | Daughter | — | Penna |
| 38 | Fred Jr Mullen | 10 | Son | — | Penna |
| 39 | Raymond Mullen | 6 | Son | — | New Jersey |
| 40 | Palma Stackert | 66 | Head | — | Penna |
Pedigree Summary
Walter + 1 sibling
Gen 1 · 6 parents
~0.85
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)