MC
Mary Cameron — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Indiana-County, Pennsylvania
Our Model Tree links this Mary Cameron across the 1930 and 1940 US Censuses in Indiana-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Indiana-County, Pennsylvania |
| Surname | Cameron |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Banks Twp |
| 1935 Residence (County) | Indiana |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Banks Twp |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joan Cameron | Daughter | — | 5 | ~1935 |
| Sedzel Cameron | Son | — | 13 | ~1927 |
| Sara Cameron | Daughter | — | 12 | ~1928 |
| Mary Cameron | Daughter | — | 15 | ~1925 |
| John Cameron | Son | — | 18 | ~1922 |
| Ney Cameron | Head | — | 42 | ~1898 |
| Geneva Cameron | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Indiana, Pennsylvania
Daughter, age 5
Indiana, Pennsylvania · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cameron |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | No |
| Home Owned/Rented | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Indiana-County, Pennsylvania
Daughter, age 15
Indiana-County, Pennsylvania · implied b. ~1925 — 7 household members
| Surname | Cameron |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Banks Twp |
| 1935 Residence (County) | Indiana |
| Highest Grade | Hs 1 |
| 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
Daughter · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
John Cameron
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sara Cameron
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sedzel Cameron
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Cameron
Sibling · 1940 · age 5
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 — Indiana-County, Pennsylvania
Open full size
1940 US Federal Census — Indiana-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03516-00070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ora Bair | 38 | Wife | — | Pennsylvania |
| 2 | Calvin S. Bair | 2 | Son | — | Pennsylvania |
| 3 | Clara J. Huff | 16 | Step daughter | — | Pennsylvania |
| 4 | Howard E. Huff | 14 | Step son | — | Pennsylvania |
| 5 | Ruth A. Huff | 11 | Step daughter | — | Pennsylvania |
| 6 | Bonnie J. Huff | 5 | Step daughter | — | Pennsylvania |
| 7 | James W. Huff | 4 | Step son | — | Pennsylvania |
| 8 | James S. Bair | 51 | Head | Miner | Pennsylvania |
| 9 | Byrd Bair | 46 | Wife | — | Pennsylvania |
| 10 | Wayne Bair | 14 | Son | — | Pennsylvania |
| 11 | George Bair | 12 | Son | — | Pennsylvania |
| 12 | Hardy Hilman | 26 | Head | Laborer | Pennsylvania |
| 13 | Valetta Hilman | 29 | Wife | — | Pennsylvania |
| 14 | Winifred Hilman | 2 | Daughter | — | Pennsylvania |
| 15 | Earl C. Fry | 63 | Head | Assistant Foreman | Pennsylvania |
| 16 | Lula E. Fry | 47 | Wife | — | Pennsylvania |
| 17 | Ney S. Cameron | 42 | Head | Laborer | Pennsylvania |
| 18 | Geneva Cameron | 35 | Wife | — | Pennsylvania |
| 19 | John Cameron | 18 | Son | Laborer | Pennsylvania |
| 20 | Mary L. Cameron THIS PERSON | 15 | Daughter | — | Pennsylvania |
| 21 | Sedzel Cameron | 13 | Son | — | Pennsylvania |
| 22 | Sara J. Cameron | 12 | Daughter | — | Pennsylvania |
| 23 | Joan Cameron | 5 | Daughter | — | Pennsylvania |
| 24 | Leonard D. Huey | 27 | Head | Laborer | Pennsylvania |
| 25 | Sara V. Huey | 24 | Wife | — | Pennsylvania |
| 26 | James Huey | 5 | Son | — | Pennsylvania |
| 27 | George Huey | 3 | Son | — | Pennsylvania |
| 28 | Lois D. Huey | 1 | Daughter | — | Pennsylvania |
| 29 | Gerald R. Huey | 0 | Son | — | Pennsylvania |
| 30 | Lott R. Niel | 44 | Head | Laborer | Pennsylvania |
| 31 | Grace Niel | 44 | Wife | — | Pennsylvania |
| 32 | Luther Niel | 25 | Son | Laborer | Pennsylvania |
| 33 | Jane Niel | 16 | Daughter-in-law | — | Pennsylvania |
| 34 | Helen Niel | 20 | Daughter | — | Pennsylvania |
| 35 | Richard Smith | 55 | Head | Trucker | Pennsylvania |
| 36 | Sara E. Smith | 33 | Wife | — | Pennsylvania |
| 37 | Dallas E. Smith | 37 | Head | Laborer | Pennsylvania |
| 38 | Alta Smith | 37 | Wife | — | Pennsylvania |
| 39 | Eugene Smith | 16 | Son | — | Pennsylvania |
| 40 | Richard Smith | 14 | Son | — | 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)