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Joseph Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Joseph Campbell across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Media Boro |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Media Boro |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Theresa Campbell | Daughter | — | 13 | ~1927 |
| Catherine Campbell | Daughter | — | 11 | ~1929 |
| Margaret Campbell | Daughter | — | 6 | ~1934 |
| Agnes Campbell | Daughter | — | 8 | ~1932 |
| Mary Campbell | Daughter | — | 9 | ~1931 |
| Joseph Campbell | Head | — | 40 | ~1900 |
| Patrick Campbell | Other | — | 74 | ~1866 |
| Bridget Campbell | Other | — | 80 | ~1860 |
| John Campbell | Son | — | 12 | ~1928 |
| Joseph Campbell | Son | — | 15 | ~1925 |
| Theresa Campbell | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 3
Delaware, Pennsylvania · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Washington |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 15
Delaware-County, Pennsylvania · implied b. ~1925 — 11 household members
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Media Boro |
| 1935 Residence (County) | Delaware |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Joseph Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Campbell
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Catherine Campbell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Campbell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Campbell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Campbell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Campbell
Sibling · 1940 · age 9
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03493-00695)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lorraine Barrow | 27 | Wife | H | Pennsylvania |
| 2 | Gwen Lee Barrow | 5 | Daughter | — | Pennsylvania |
| 3 | Edward Barrow | 4 | Son | — | Pennsylvania |
| 4 | Phillip Barrow | 2 | Son | — | Pennsylvania |
| 5 | Thomas Hannum | 41 | Head | Service Manager | Pennsylvania |
| 6 | Mary Hannum | 34 | Wife | H | Pennsylvania |
| 7 | Thomas Hannum | 8 | Son | — | Pennsylvania |
| 8 | Edgar Chambers | 45 | Head | Laborer | Pennsylvania |
| 9 | Susie Chambers | 37 | Wife | Housework | Pennsylvania |
| 10 | Mildred Chambers | 15 | Daughter | — | Pennsylvania |
| 11 | Edgar Chambers | 14 | Son | — | Pennsylvania |
| 12 | Robert Chambers | 5 | Son | — | Pennsylvania |
| 13 | Gilbert Chambers | 22 | Brother | Laborer | Pennsylvania |
| 14 | David J. Weiss | 44 | Head | Salesman Appliances | Poland |
| 15 | Kate Weiss | 45 | Wife | H | Russia |
| 16 | Louis Weiss | 21 | Son | Sales Clerk | Pennsylvania |
| 17 | Alan Weiss | 18 | Son | New Worker | Pennsylvania |
| 18 | Irvin Weiss | 12 | Son | — | Pennsylvania |
| 19 | Geraldine Weiss | 7 | Daughter | — | Pennsylvania |
| 20 | Joseph Campbell | 40 | Head | Sales Clerk | Pennsylvania |
| 21 | Theresa Campbell | 38 | Wife | H | Free State |
| 22 | Joseph Campbell THIS PERSON | 15 | Son | — | Pennsylvania |
| 23 | Theresa Campbell | 13 | Daughter | — | Pennsylvania |
| 24 | John Campbell | 12 | Son | — | Pennsylvania |
| 25 | Catherine Campbell | 11 | Daughter | — | Pennsylvania |
| 26 | Mary Campbell | 9 | Daughter | — | Pennsylvania |
| 27 | Agnes Campbell | 8 | Daughter | — | Pennsylvania |
| 28 | Margaret Campbell | 6 | Daughter | — | Pennsylvania |
| 29 | Patrick Campbell | 74 | Father | Laborer | Free State |
| 30 | Bridget Campbell | 80 | Mother | H | Free State |
| 31 | Douglas Clarkson | 51 | Head | Truck Driver | Maryland |
| 32 | Louisa Clarkson | 53 | Wife | House Work | Pennsylvania |
| 33 | Morris Dorsey | 40 | Head | House Work | Pennsylvania |
| 34 | Dorothy Dorsey | 39 | Wife | H | Bermuda |
| 35 | Morris Dorsey | 19 | Son | Laborer | Pennsylvania |
| 36 | Milton Dorsey | 16 | Son | — | Pennsylvania |
| 37 | Fred Dorsey | 52 | Brother | Laborer | Pennsylvania |
| 38 | Ernest Burnell | 67 | Head | Gardener | North Carolina |
| 39 | Margaret Burnell | 30 | Daughter | House Work | Virginia |
| 40 | James Burnell | 27 | Son | Clerk | Virginia |
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)