MC
Mary Carroll — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Illinois
Our Model Tree links this Mary Carroll across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 6-person household.
Age 71
b. ~1869
Female
Head
Born: Tennessee
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Illinois |
| Surname | Carroll |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Tennessee |
| 1935 Residence (City) | Mt. Vernon City |
| Additional Details | |
| Highest Grade | 7 |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Mt Vernon City |
| Est. Birth Year | ~1869 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ina Tippie | Daughter | — | 52 | ~1888 |
| Mary Carroll | Head | — | 71 | ~1869 |
| Dwight Oregon | Other | — | 24 | ~1916 |
| Charles Mitchell | Other | — | — | |
| Robert Hoover | Other | — | — | |
| Robert Turnage | Other | — | 20 | ~1920 |
Census Appearances
1920
Jefferson, Illinois
Spouse, age 51
Jefferson, Illinois · implied b. ~1869 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Jefferson, Illinois
Other, age 62
Jefferson, Illinois · implied b. ~1868 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Mary E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 17 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Jefferson-County, Illinois
Head, age 71
Jefferson-County, Illinois · implied b. ~1869 — 6 household members
| Surname | Carroll |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Tennessee |
| 1935 Residence (City) | Mt. Vernon City |
| Highest Grade | 7 |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Carroll
Head · 1940 · age 71 · b. ~1869 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Illinois
Open full size
1940 US Federal Census — Jefferson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00816-00302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew C. Urban | 4 | Step-son | — | Illinois |
| 2 | Wilbur White | 36 | Head | Retail Grocery | Illinois |
| 3 | Ruth White | 29 | Wife | — | Illinois |
| 4 | Robert Eugene White | 10 | Son | — | Illinois |
| 5 | Donald Lee White | 8 | Son | — | Illinois |
| 6 | Lutie Green | 58 | Mother-in-law | Telephone | Missouri |
| 7 | Here | 3 | Ends | — | Block |
| 8 | Claude Echols | 24 | Head | Creamery | Illinois |
| 9 | Alice Echols | 22 | Wife | Car Co. | Illinois |
| 10 | Clara B. Webb | 75 | Head | — | Illinois |
| 11 | George N. Webb | 46 | Head | Abstracting | Illinois |
| 12 | Mary E. Webb | 39 | Wife | — | Illinois |
| 13 | George Robert Webb | 13 | Son | — | Illinois |
| 14 | Reid Starkey | 34 | Head | Creamery | Illinois |
| 15 | Dorothy Starkey | 22 | Wife | — | Illinois |
| 16 | Silas Echols | 60 | Head | High School | Illinois |
| 17 | Mary Kate Echols | 42 | Wife | — | Georgia |
| 18 | Nancy Lee Echols | 10 | Daughter | — | Illinois |
| 19 | Elizabeth Echols | 83 | Mother | — | Illinois |
| 20 | Mary E. Carroll THIS PERSON | 71 | Head | — | Tennessee |
| 21 | Ina C. Tippie | 52 | Daughter | Retail Store | Illinois |
| 22 | Robert R. Turnage | 20 | Lodger | Industrial X-Ray | Illinois |
| 23 | Charles Mitchell | None | Lodger | — | — |
| 24 | Robert Hoover | None | Lodger | — | — |
| 25 | Dwight Oregon | 24 | Lodger | W.P.A. | Illinois |
| 26 | C. T. Jr. Royston | 55 | Head | Retail Store | Illinois |
| 27 | Dorothy Proutt | 39 | Head | Housekeeper | Illinois |
| 28 | Here | 4 | Ends | — | Block |
| 29 | Eugene C. Beckmeyer | 29 | Head | Osteopathic Doctor | Illinois |
| 30 | Ruth Beckmeyer | 28 | Wife | — | Illinois |
| 31 | A. Byron Ore | 37 | Head | Laundry | Illinois |
| 32 | Verda Ore | 30 | Wife | — | Oklahoma |
| 33 | Cyrus C. Owens | 41 | Head | District Manager | Missouri |
| 34 | Marie Owens | 24 | Wife | — | Missouri |
| 35 | Frederick C. Doepke | 24 | Head | Salesman | Missouri |
| 36 | Marjorie A. Doepke | 23 | Wife | — | Illinois |
| 37 | C. S. Pugham | 48 | Head | Independent | Illinois |
| 38 | Elsie Pugham | 45 | Wife | — | Illinois |
| 39 | John Deck | 26 | Head | Truck Driver | Illinois |
| 40 | Alice Deck | 20 | Wife | Waitress | 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)