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John Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Campbell across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 5-person household.
Age 51
b. ~1889
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | OA |
| Hours Worked | 12 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1889 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Campbell | Daughter | — | 17 | ~1923 |
| John Campbell | Head | — | 51 | ~1889 |
| James Campbell | Son | — | 19 | ~1921 |
| Robert Campbell | Son | — | 15 | ~1925 |
| Martha Campbell | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Delaware, Pennsylvania
Other, age 32
Delaware, Pennsylvania · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John H. |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1906 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Moulder |
| Industry | Steel Foundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | scotland |
1930
Delaware, Pennsylvania
Head, age 41
Delaware, Pennsylvania · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 21 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Laborer |
| Industry | Steel Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Philadelphia-County, Pennsylvania
Head, age 51
Philadelphia-County, Pennsylvania · implied b. ~1889 — 5 household members
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Class of Worker | OA |
| Hours Worked | 12 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 John 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
John Campbell
Head · 1940 · age 51 · b. ~1889 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03704-00419)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morris Schwartz | 73 | Head | Tailor | Russia |
| 2 | Ida Schwartz | 56 | Wife | — | Russia |
| 3 | Sophie Schwartz | 27 | Daughter | Trainee Nurse | Pennsylvania |
| 4 | Sophie Myerson | 33 | Lodger | — | Russia |
| 5 | Adele Holstein | 23 | Lodger | — | Hungary |
| 6 | John Campbell THIS PERSON | 51 | Head | — | Scotland |
| 7 | Martha Campbell | 44 | Wife | Housework | Scotland |
| 8 | James Campbell | 19 | Son | Attendant | Pennsylvania |
| 9 | Eleanor Campbell | 17 | Daughter | — | Pennsylvania |
| 10 | Robert Campbell | 15 | Son | — | Pennsylvania |
| 11 | William G. Dooley | 45 | Head | Sports Writer | New York |
| 12 | Constance B. Dooley | 44 | Wife | — | Missouri |
| 13 | Mary Bess Dooley | 15 | Daughter | — | Pennsylvania |
| 14 | Constance Jr. Dooley | 13 | Daughter | — | Pennsylvania |
| 15 | Genevieve Dooley | 12 | Daughter | — | Pennsylvania |
| 16 | Natalie Dooley | 9 | Daughter | — | Pennsylvania |
| 17 | William Jr. Dooley | 5 | Son | — | Pennsylvania |
| 18 | Eva Derr | 48 | Sister | Saleslady | Missouri |
| 19 | Elizabeth Wooly | 75 | Aunt | Ship-Per | Pennsylvania |
| 20 | Mary Campbell | 70 | Aunt | — | Pennsylvania |
| 21 | Thomas Campbell | 72 | Uncle | Clerk | Pennsylvania |
| 22 | G. Edwin Bernstein | 57 | Head | Vice-President | Pennsylvania |
| 23 | Agnes W. Bernstein | 54 | Wife | — | Pennsylvania |
| 24 | None Under Block No. 2 And Begin Block No. 3 Bernstein | None | — | — | — |
| 25 | Henry D. Dietrich | 66 | Head | Executive | Pennsylvania |
| 26 | Ellen A. Dietrich | 67 | Wife | — | Pennsylvania |
| 27 | Daniel W. Dietrich | 37 | Son | Executive | Pennsylvania |
| 28 | Anna E. Burghardt | 25 | Servant | Maid | Illinois |
| 29 | Harry H. Barr | 52 | Head | Executive | Russia |
| 30 | Mollie Barr | 50 | Wife | — | Maryland |
| 31 | Myer B. Barr | 27 | Son | Executive | Virginia |
| 32 | Freda S. Barr | 25 | Daughter | — | Virginia |
| 33 | Joseph J. Barr | 17 | Son | — | Virginia |
| 34 | Clarence C. Godshall | 39 | Head | Territorial Officer | Pennsylvania |
| 35 | Florence Godshall | 37 | Wife | — | Pennsylvania |
| 36 | Clarence Jr. Godshall | 1 | Son | — | New York |
| 37 | Helen Diefenbacher | 23 | Servant | Maid | Germany |
| 38 | Charles S. Moffat | 43 | Head | Salesman | Pennsylvania |
| 39 | Marie R. Moffat | 43 | Wife | — | Indiana |
| 40 | Charles W. Moffat | 76 | Father | — | New Jersey |
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)