MC
Mary Cameron — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rush-County, Indiana
Our Model Tree links this Mary Cameron across the 1930 and 1940 US Censuses in Rush-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rush-County, Indiana |
| Surname | Cameron |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Richland Township |
| 1935 Residence (County) | Rush |
| Additional Details | |
| Occupation | none |
| Industry | none |
| Class of Worker | S |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Richland Township |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joe Cameron | Head | — | 40 | ~1900 |
| Carl Cameron | Son | — | 8 | ~1932 |
| Nancy Cameron | Daughter | — | 4 | ~1936 |
| Mable Cameron | Spouse | — | 36 | ~1904 |
| Robert Cameron | Son | — | 13 | ~1927 |
| Shirley Cameron | Daughter | — | 2 | ~1938 |
| Mary Cameron | Daughter | — | 15 | ~1925 |
| Martha Cameron | Daughter | — | 6 | ~1934 |
| Walter Cameron | Son | — | 10 | ~1930 |
Census Appearances
1930
Decatur, Indiana
Daughter, age 5
Decatur, Indiana · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cameron |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Rush-County, Indiana
Daughter, age 15
Rush-County, Indiana · implied b. ~1925 — 9 household members
| Surname | Cameron |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Richland Township |
| 1935 Residence (County) | Rush |
| Occupation | none |
| Industry | none |
| Class of Worker | S |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 · Indiana
★ You are viewing this record
Sibling
Nancy Cameron
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Cameron
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Cameron
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Cameron
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cameron
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Cameron
Sibling · 1940 · age 6
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 — Rush-County, Indiana
Open full size
1940 US Federal Census — Rush-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01091-00190)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ella M. Kelar | 68 | Head | Former | Indiana |
| 2 | Mary M. Rolston | 17 | Lodger | — | Indiana |
| 3 | Russell L. Jones | 41 | Head | Farmer | Indiana |
| 4 | Bessie M. Jones | 42 | Wife | None | Indiana |
| 5 | Dorothy L. Jones | 20 | Daughter | None | Indiana |
| 6 | Russell E. Jones | 13 | Son | None | Indiana |
| 7 | John H. Howard | 77 | Head | Farmer | Kentucky |
| 8 | Luella E. Ryan | 74 | Lodger | Housekeeper | Indiana |
| 9 | Joe W. Cameron | 40 | Head | Carpenter | Indiana |
| 10 | Mable L. Cameron | 36 | Wife | None | Indiana |
| 11 | Mary L. Cameron THIS PERSON | 15 | Daughter | None | Indiana |
| 12 | Robert L. Cameron | 13 | Son | None | Indiana |
| 13 | Walter R. Cameron | 10 | Son | — | Indiana |
| 14 | Carl D. Cameron | 8 | Son | — | Indiana |
| 15 | Martha J. Cameron | 6 | Daughter | — | Indiana |
| 16 | Nancy J. Cameron | 4 | Daughter | — | Indiana |
| 17 | Shirley A. Cameron | 2 | Daughter | — | Indiana |
| 18 | Lawrence Dunn | 48 | Head | Farmer | Indiana |
| 19 | Armory L. Dunn | 43 | Wife | None | Indiana |
| 20 | Maurice C. Dunn | 20 | Son | Farmer | Indiana |
| 21 | Rosa Dunn | 80 | Mother | None | Indiana |
| 22 | Howard W. Speer | 31 | Head | Farm Laborer | Indiana |
| 23 | Georgia L. Speer | 30 | Wife | None | Indiana |
| 24 | Tom Skinner | 54 | Head | Laborer | Kentucky |
| 25 | Roy J. Swinford | 43 | Head | Farmer | Indiana |
| 26 | Edythe Swinford | 42 | Wife | None | Indiana |
| 27 | Mary F. Swinford | 17 | Daughter | None | Indiana |
| 28 | Joe E. Swinford | 10 | Son | — | Indiana |
| 29 | Judithann Swinford | 3 | Daughter | — | Indiana |
| 30 | Raymond Kinsweiler | 27 | Head | Farmer | Indiana |
| 31 | Lucile Kinsweiler | 24 | Wife | None | Indiana |
| 32 | Marilyn K. Kinsweiler | 2 | Daughter | — | Indiana |
| 33 | Donna Sue Kinsweiler | 1 | Daughter | — | Indiana |
| 34 | Carl Milbourn | 37 | Head | Custodian | Indiana |
| 35 | Jennie Milbourn | 35 | Wife | None | Indiana |
| 36 | Gladys L. Milbourn | 12 | Daughter | None | Indiana |
| 37 | Charles R. Milbourn | 10 | Son | None | Indiana |
| 38 | Harold E. Milbourn | 3 | Son | — | Indiana |
| 39 | Otis Swinford | 47 | Head | Farmer | Indiana |
| 40 | Stella M. Swinford | 48 | Wife | Farmer | Indiana |
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)