WC
Walter Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Walter Campbell across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 5-person household.
Age 69
b. ~1871
Male
Head
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Cranston Heights |
| 1935 Residence (County) | NEW CASTLE |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Cranston Heights |
| Est. Birth Year | ~1871 |
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 |
|---|---|---|---|---|
| John Poole | Other | — | 1 | ~1939 |
| Raymond Poole | Other | — | 25 | ~1915 |
| Ida Campbell | Spouse | — | 63 | ~1877 |
| Pauline Poole | Daughter | — | 26 | ~1914 |
| Walter Campbell | Head | — | 69 | ~1871 |
Census Appearances
1920
New Castle, …
Head, age 48
New Castle, Delaware · implied b. ~1872 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Laborer |
| Industry | Bakery Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Head, age 59
New Castle, Delaware · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 21 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Carpenter |
| Industry | House Build |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Head, age 69
New-Castle-County, Delaware · implied b. ~1871 — 5 household members
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Cranston Heights |
| 1935 Residence (County) | NEW CASTLE |
| Highest Grade | No 8 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Walter Campbell
Head · 1940 · age 69 · b. ~1871 · Delaware
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00545-00595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George T. Waters | 29 | Head | Photographer | Maryland |
| 42 | Elizabeth Waters | 29 | Wife | — | Delaware |
| 43 | Elizabeth J. Waters | 3 | Daughter | — | Delaware |
| 44 | Florence D. Longland | 53 | Mother law | — | Delaware |
| 45 | Walter Campbell THIS PERSON | 69 | Head | — | Delaware |
| 46 | Ida Campbell | 63 | Wife | — | Delaware |
| 47 | Raymond S. Poole | 25 | Son in law | Service Man | Maryland |
| 48 | Pauline C. Poole | 26 | Daughter | — | Delaware |
| 49 | John S. Poole | 1 | Grandson | — | Delaware |
| 50 | Frank P. Milbourne | 39 | Head | Truck Driver | Maryland |
| 51 | Marie M. Milbourne | 39 | Wife | — | Delaware |
| 52 | Elizabeth L. Milbourne | 17 | Daughter | — | Delaware |
| 53 | Frank C. Milbourne | 14 | Son | — | Delaware |
| 54 | John Rodeck | 42 | Head | Machine Oper. | Delaware |
| 55 | Clara Rodeck | 40 | Wife | Machine Oper. | Delaware |
| 56 | David Harper | 43 | Head | Ship Fitter Helper | Delaware |
| 57 | Affarata Harper | 53 | Wife | — | New Jersey |
| 58 | Loretta Butler | 11 | Boarder | — | Delaware |
| 59 | Marvin King | 8 | Boarder | — | Delaware |
| 60 | Lawrence Lorenzoni | 43 | Head | Track Foreman | Italy |
| 61 | Matilda Lorenzoni | 37 | Wife | — | Italy |
| 62 | Julia Lorenzoni | 22 | Daughter | Housework | Delaware |
| 63 | Anthony Lorenzoni | 20 | Son | Brakeman | Delaware |
| 64 | Vincent Lorenzoni | 19 | Son | Truckman | Delaware |
| 65 | Elsie Lorenzoni | 16 | Daughter | — | Delaware |
| 66 | John F. Martin | 32 | Head | Hair Dresser | Virginia |
| 67 | Margaret Martin | 24 | Wife | — | Delaware |
| 68 | Marlene Martin | 8 | Daughter | — | Delaware |
| 69 | Patricia Martin | 6 | Daughter | — | Delaware |
| 70 | John Martin | 3 | Son | — | Delaware |
| 71 | Edwin J. Post | 36 | Head | Chemist Helper | New Jersey |
| 72 | Nellie Post | 35 | Wife | — | New Jersey |
| 73 | Carol J. Post | 1 | Daughter | — | Delaware |
| 74 | Charles R. Jr. Abrams | 48 | Head | Machinist | Maryland |
| 75 | Ellen L. Abrams | 48 | Wife | — | Maryland |
| 76 | Howard A. Mitchell | 42 | Head | Electrician | Delaware |
| 77 | Reba H. Mitchell | 43 | Wife | — | Maryland |
| 78 | Harry K. Lambert | 31 | Head | Auto Mechanic | Delaware |
| 79 | Gertrude H. Lambert | 29 | Wife | Bookkeeper | Delaware |
| 80 | John Hartmetz | 31 | Head | Asst Engineer | Pennsylvania |
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)