MC
Mary Cameron — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, Pennsylvania
Our Model Tree links this Mary Cameron across the 1930 and 1940 US Censuses in Mercer-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 8-person household.
Age 58
b. ~1882
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Pennsylvania |
| Surname | Cameron |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Grove City Borough |
| 1935 Residence (County) | MERCER |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Grove City Borough |
| Est. Birth Year | ~1882 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Cameron | Daughter | — | 15 | ~1925 |
| Mary Cameron | Spouse | — | 58 | ~1882 |
| Agnes Cameron | Daughter | — | 24 | ~1916 |
| Leroy Cameron | Other | — | 2 | ~1938 |
| James Cameron | Other | — | 4 | ~1936 |
| John Cameron | Son | — | 27 | ~1913 |
| Donald Cameron | Head | — | 61 | ~1879 |
| Leroy Cameron | Son | — | 22 | ~1918 |
Census Appearances
1930
Mercer, Pennsylvania
Other, age 48
Mercer, Pennsylvania · implied b. ~1882 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cameron |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Mercer-County, Pennsylvania
Spouse, age 58
Mercer-County, Pennsylvania · implied b. ~1882 — 8 household members
| Surname | Cameron |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Grove City Borough |
| 1935 Residence (County) | MERCER |
| Highest Grade | 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 Mary Cameron across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cameron
Spouse · 1940 · age 58 · b. ~1882 · 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 — Mercer-County, Pennsylvania
Open full size
1940 US Federal Census — Mercer-County, Pennsylvania
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03571-00184)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William W. Thorne | 5 | Son | — | Pennsylvania |
| 2 | Robert C. Thorne | 4 | Son | — | Pennsylvania |
| 4 | Robert S. Miller | 32 | Head | Salesman | Ohio |
| 5 | Margaret Miller | 24 | Wife | — | Scotland |
| 6 | Jean R. Miller | 8 | Daughter | — | Ohio |
| 7 | Margaret J. Miller | 3 | Daughter | — | Pennsylvania |
| 8 | H. Wilford Bishop | 48 | Head | Machinic | Pennsylvania |
| 9 | Margaret Bishop | 43 | Wife | — | Pennsylvania |
| 10 | Elizabeth S. Bishop | 18 | Daughter | Bookkeeper | Pennsylvania |
| 11 | Ruth K. Bishop | 15 | Daughter | — | Pennsylvania |
| 12 | Jane H. Bishop | 9 | Daughter | — | Pennsylvania |
| 13 | Bessie M. Amos | 70 | Head | — | Iowa |
| 14 | Bessie L. Blair | 24 | Daughter | — | Pennsylvania |
| 15 | John E. Blair | 29 | Son-in-law | Machine Hand | Pennsylvania |
| 16 | Sanford E. Blair | 0 | Grandson | — | Pennsylvania |
| 18 | Donald Cameron | 61 | Head | — | Pennsylvania |
| 19 | Mary Cameron THIS PERSON | 58 | Wife | — | Pennsylvania |
| 20 | John C. Cameron | 27 | Son | Laborer | Pennsylvania |
| 21 | Agnes M. Cameron | 24 | Daughter | Waitress | Pennsylvania |
| 22 | Leroy C. Cameron | 22 | Son | Clerk | Pennsylvania |
| 23 | Betty J. Cameron | 15 | Daughter | — | Pennsylvania |
| 24 | James D. Cameron | 4 | Grandson | — | Pennsylvania |
| 25 | Leroy J. Cameron | 2 | Grandson | — | Pennsylvania |
| 26 | Lawrence W. Dickson | 47 | Head | Foreman | Pennsylvania |
| 27 | Susan G. Dickson | 49 | Wife | — | Pennsylvania |
| 28 | Glenn L. Dickson | 17 | Son | — | Pennsylvania |
| 29 | Kenneth R. Dickson | 15 | Son | — | Pennsylvania |
| 30 | Richard E. Dickson | 12 | Son | — | Pennsylvania |
| 31 | Sherley S. Dickson | 9 | Daughter | — | Pennsylvania |
| 32 | Nancy L. Dickson | 6 | Daughter | — | Pennsylvania |
| 34 | Wayne H. Mccracken | 46 | Head | Machinist | Pennsylvania |
| 35 | Harry P. Mccracken | 72 | Father | Laborer | Pennsylvania |
| 36 | Endie M. Mccracken | 43 | Wife | — | Pennsylvania |
| 37 | Betty L. Mccracken | 11 | Daughter | — | Pennsylvania |
| 38 | William S. Thomas | 54 | Head | Machinist | Pennsylvania |
| 39 | Mollie M. Thomas | 53 | Wife | — | Pennsylvania |
| 40 | E. Claud Shawgo | 27 | Head | Leather Worker | 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)