MC
Mary Cameron — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greene-County, Illinois
Our Model Tree links this Mary Cameron across the 1930 and 1940 US Censuses in Greene-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Illinois |
| Surname | Cameron |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Eldred Village |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Housewife |
| Industry | Home |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Housewife |
| Township / Ward | Eldred Village |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Mary Cameron | Daughter | — | 16 | ~1924 |
| Eileen Cameron | Daughter | — | 20 | ~1920 |
| Darel Cameron | Son | — | 25 | ~1915 |
| Daniel Cameron | Head | — | 53 | ~1887 |
| Donald Cameron | Son | — | 18 | ~1922 |
| Myrtle Cameron | Spouse | — | 49 | ~1891 |
| Vera Cameron | Daughter | — | 12 | ~1928 |
| Marjorie Cameron | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Greene, Illinois
Daughter, age 6
Greene, Illinois · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Camerer |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Greene-County, Illinois
Daughter, age 16
Greene-County, Illinois · implied b. ~1924 — 8 household members
| Surname | Cameron |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Eldred Village |
| 1935 Residence (County) | Greene |
| Occupation | Housewife |
| Industry | Home |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Eileen Cameron
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Cameron
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darel Cameron
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Cameron
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Cameron
Sibling · 1940 · age 9
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 — Greene-County, Illinois
Open full size
1940 US Federal Census — Greene-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00808-00030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chas. G. Hendrickson | 23 | Head | Restaurant | Illinois |
| 2 | Mae Hendrickson | 21 | Wife | Restaurant | Illinois |
| 3 | Nellie Borman | 60 | Head | Housewife | Illinois |
| 4 | Gilbert Trubble | 37 | Head | Laborer | Illinois |
| 5 | Grace Trubble | 44 | Wife | Housewife | Illinois |
| 6 | Orville Trubble | 18 | Son | Laborer | Illinois |
| 7 | Helen Trubble | 13 | Daughter | — | Illinois |
| 8 | James Trubble | 10 | Son | — | Illinois |
| 9 | Mary Trubble | 8 | Daughter | — | Illinois |
| 10 | Otto Beekdoldt | 54 | Head | Laborer | Illinois |
| 11 | Nellie Beekdoldt | 40 | Wife | Housewife | Missouri |
| 12 | Betty Beekdoldt | 12 | Daughter | — | Illinois |
| 13 | Norma Beekdoldt | 11 | Daughter | — | Illinois |
| 14 | Robert Portwood | 46 | Head | Laborer | Illinois |
| 15 | Verna Portwood | 41 | Wife | Housewife | Illinois |
| 16 | Earl Portwood | 8 | Son | — | Illinois |
| 17 | Kenneth Portwood | 5 | Son | — | Illinois |
| 18 | Daniel Cameron | 53 | Head | Teamster | Illinois |
| 19 | Myrtle Cameron | 49 | Wife | Housewife | Illinois |
| 20 | Darel Cameron | 25 | Son | Laborer | Illinois |
| 21 | Eileen Cameron | 20 | Daughter | Housewife | Illinois |
| 22 | Donald Cameron | 18 | Son | Laborer | Illinois |
| 23 | Mary Cameron THIS PERSON | 16 | Daughter | Housewife | Illinois |
| 24 | Vera Cameron | 12 | Daughter | — | Illinois |
| 25 | Marjorie Cameron | 9 | Daughter | — | Illinois |
| 26 | James Curtis | 46 | Head | Station Agent | Illinois |
| 27 | Olah Curtis | 46 | Wife | Housewife | Illinois |
| 28 | Donna Curtis | 17 | Daughter | — | Illinois |
| 29 | James Curtis | 14 | Son | — | Illinois |
| 30 | Effie Curtis | 84 | Mother | — | Illinois |
| 31 | Floyd Kinser | 33 | Head | Clerk | Illinois |
| 32 | Agnes Kinser | 26 | Wife | Housewife | Illinois |
| 33 | Harry Kinser | 4 | Son | — | Illinois |
| 34 | Walter Schroeder | 40 | Head | Laborer | Illinois |
| 35 | Virginia Schroeder | 36 | Wife | Housewife | Illinois |
| 36 | Wayne Schroeder | 19 | Son | — | Illinois |
| 37 | Fred B. Newton | 68 | Head | — | Illinois |
| 38 | Conrad Newton | 43 | Son | Housekeeper | Illinois |
| 39 | Donald Pegram | 23 | Head | Laborer | Illinois |
| 40 | Dotty Pegram | 20 | Wife | Housewife | Illinois |
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)