JC
Joseph Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Joseph Campbell across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Patrick & Bridget — first a son (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
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 | 39 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Providence Twp. |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Painter |
| Industry | Painting |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Painter |
| Township / Ward | Upper Providence Twp |
| Est. Birth Year | ~1901 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Margaret Campbell | Head | — | 64 | ~1876 |
| Joseph Campbell | Son | — | 39 | ~1901 |
| Edward Campbell | Son | — | 28 | ~1912 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 19
Delaware, Pennsylvania · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Son, age 29
Delaware, Pennsylvania · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Painter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 39
Delaware-County, Pennsylvania · implied b. ~1901 — 3 household members
| Surname | Campbell |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Providence Twp. |
| 1935 Residence (County) | Delaware |
| Occupation | Painter |
| Industry | Painting |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Campbell (~0.92 confidence) and mother Bridget Campbell (~0.92 confidence) and father Thomas Campbell (~0.92 confidence) and mother Margaret Campbell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Campbell
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Bridget Campbell
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Thomas Campbell
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Margaret Campbell
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Campbell
Son · 1940 · age 39 · b. ~1901 · Pennsylvania
★ You are viewing this record
Sibling
Edward Campbell
Sibling · 1940 · age 28
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-t0627-03498-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Powers Hodgson | 41 | Head | Laborer | Indiana |
| 2 | Mary K Hodgson | 42 | Wife | — | Pennsylvania |
| 3 | Lucille A Hodgson | 17 | Daughter | — | Pennsylvania |
| 4 | Albert J Hodgson | 16 | Son | — | Pennsylvania |
| 5 | John Mccluskey | 35 | Brother-in-law | Butler | Pennsylvania |
| 6 | George Yarnall | 64 | Head | Trackman | Pennsylvania |
| 7 | Martha Yarnall | 51 | Wife | — | Pennsylvania |
| 8 | Ida Yarnall | 60 | Sister | Typist | Pennsylvania |
| 9 | Henry C Johnson | 27 | Head | Clerk | Pennsylvania |
| 10 | Ruth Johnson | 26 | Wife | — | Pennsylvania |
| 11 | John R Johnson | 2 | Son | — | Pennsylvania |
| 12 | Ann Johnson | 57 | Head | — | Pennsylvania |
| 13 | William Johnson | 25 | Son | Electrical Engineer | Pennsylvania |
| 14 | Eleanor Johnson | 18 | Daughter | Helper | Pennsylvania |
| 15 | William Wolf | 34 | Head | Machinist | Pennsylvania |
| 16 | Margaret Wolf | 32 | Wife | Book Keeper | Pennsylvania |
| 17 | Margaret Kelly | 59 | Mother-in-law | — | Pennsylvania |
| 18 | Edward W Stefan | 63 | Head | Proofreader | Pennsylvania |
| 19 | Margaret Stefan | 61 | Wife | — | Pennsylvania |
| 20 | Edwina Stefan | 31 | Daughter | Book Keeper | Pennsylvania |
| 21 | Catherine Michener | 43 | Head | Clerk | Pennsylvania |
| 22 | Norman Michener | 16 | Son | — | Pennsylvania |
| 23 | J. Walter Michener | 13 | Son | — | Pennsylvania |
| 24 | John J Gleason | 53 | Lodger | Salesman | Connecticut |
| 25 | Margaret Campbell | 64 | Head | — | Pennsylvania |
| 26 | Joseph Campbell THIS PERSON | 39 | Son | Painter | Pennsylvania |
| 27 | Edward Campbell | 28 | Son | Paper Hanger | Pennsylvania |
| 28 | B. J. Fitzpatrick | 70 | Head | — | Eire |
| 29 | Sarah Fitzpatrick | 72 | Wife | — | Eire |
| 30 | Marguerite Fitzpatrick | 41 | Daughter | — | Pennsylvania |
| 31 | Walter T Foster | 59 | Head | — | Pennsylvania |
| 32 | Jennie Foster | 55 | Wife | — | Pennsylvania |
| 33 | William Foster | 24 | Son | Laborer | Pennsylvania |
| 34 | Alice Pollock | 60 | Boarder | — | Pennsylvania |
| 35 | Arthur Rowan | 42 | Head | Mechanical Engineer | Virginia |
| 36 | Margaret Rowan | 40 | Wife | Teacher | Georgia |
| 37 | Edward Rowan | 12 | Son | — | Pennsylvania |
| 38 | Kenneth Rowan | 10 | Son | — | New Jersey |
| 39 | Robert U Taylor | 48 | Head | Salesman | Pennsylvania |
| 40 | Richard Taylor | 17 | Son | — | Pennsylvania |
Pedigree Summary
Joseph + 1 sibling
Gen 1 · 4 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)