MC
Mary Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Mary Campbell across the 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 3-person household.
Age 52
b. ~1888
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Collingswood borough |
| 1935 Residence (County) | Camden |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Collingswood Borough |
| Est. Birth Year | ~1888 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Campbell | Daughter | — | 27 | ~1913 |
| Allen Campbell | Head | — | 52 | ~1888 |
| Mary Campbell | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Camden, New …
Spouse, age 32
Camden, New Jersey · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Spouse, age 42
Camden, New Jersey · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 24 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Camden-County, New …
Spouse, age 52
Camden-County, New Jersey · implied b. ~1888 — 3 household members
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Collingswood borough |
| 1935 Residence (County) | Camden |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Mary Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Campbell
Spouse · 1940 · age 52 · b. ~1888 · New Jersey
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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 — 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-t0627-02320-00916)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harlan B. Radford | 22 | Son | Secretary | New Jersey |
| 2 | Horace S. Dobbins | 39 | Head | Compositor | Pennsylvania |
| 3 | Emma J. Dobbins | 39 | Wife | — | Pennsylvania |
| 4 | Louise Dobbins | 4 | Daughter | — | New Jersey |
| 5 | George H. Pruitt | 58 | Head | Salesman | Maryland |
| 6 | Eugene D. Pruitt | 55 | Wife | — | Pennsylvania |
| 7 | Allen Campbell | 52 | Head | Superintendent | New Jersey |
| 8 | Mary Campbell THIS PERSON | 52 | Wife | — | New Jersey |
| 9 | Dorothy Campbell | 27 | Daughter | Stenographer | New Jersey |
| 10 | William H. Needham | 54 | Head | — | Irish Free State |
| 11 | Carrie M. Needham | 51 | Wife | — | Virginia |
| 12 | Kathryn Needham | 30 | Daughter | — | Pennsylvania |
| 13 | John B. Wright | 42 | Head | Bookkeeper | Pennsylvania |
| 14 | Kortune Wright | 40 | Wife | — | Pennsylvania |
| 15 | John Jr. Wright | 20 | Son | Collector | Pennsylvania |
| 16 | Kortune D. Wright | 17 | Daughter | New Worker | New Jersey |
| 17 | Nellie A. Wright | 5 | Daughter | — | New Jersey |
| 18 | Edward A. Faubell | 38 | Head | Engineer | New Jersey |
| 19 | Charlotte E. Faubell | 43 | Wife | — | New Jersey |
| 20 | Edward R. Faubell | 10 | Son | — | Pennsylvania |
| 21 | Mellie Major | 22 | Lodger | — | Pennsylvania |
| 22 | Chalmers B. Dewey | 36 | Head | Salesman | Colorado |
| 23 | Sabra F. Dewey | 32 | Wife | — | Massachusetts |
| 24 | Chalmers B. Dewey | 12 | Son | — | Massachusetts |
| 25 | David E. Dewey | 10 | Son | — | Massachusetts |
| 26 | Sabra E. Dewey | 7 | Daughter | — | New Jersey |
| 27 | Jessie Player | 60 | Mother-in-law | — | Maine |
| 28 | Samuel Dougherty | 71 | Head | — | Pennsylvania |
| 29 | Emma Dougherty | 67 | Wife | — | New Jersey |
| 30 | Florence H. Davidson | 67 | Head | — | Illinois |
| 31 | Anna P. Hazen | 60 | Sister | Clerk | Pennsylvania |
| 32 | Carle Maloney | 48 | Head | Owner | Maine |
| 33 | Stella M. Maloney | 52 | Wife | — | Maine |
| 34 | Betty Maloney | 27 | Daughter | — | Maine |
| 35 | Phyllis Maloney | 27 | Daughter | — | Maine |
| 36 | Carle Jr. Maloney | 24 | Son | Clerk | Maine |
| 37 | Nancy Maloney | 21 | Daughter | Clerk | New Jersey |
| 38 | Anne Maloney | 18 | Daughter | Stenographer | New Jersey |
| 39 | David Maloney | 15 | Son | — | New Jersey |
| 40 | Otto H. Pahlke | 62 | Head | Accountant | 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)