MS
Mary Shelton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Massac-County, Illinois
Our Model Tree links this Mary Shelton across the 1920, 1930 and 1940 US Censuses in Massac-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 2-person household.
Age 69
b. ~1871
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Massac-County, Illinois |
| Surname | Shelton |
| Given Name | Mary Lou |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Grant Precinct |
| 1935 Residence (County) | Massac |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Grant Precinct |
| Est. Birth Year | ~1871 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Shelton | Head | — | 69 | ~1871 |
| Paul Shelton | Son | — | 31 | ~1909 |
Census Appearances
1920
Massac, Illinois
Spouse, age 44
Massac, Illinois · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shelton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Massac, Illinois
Spouse, age 59
Massac, Illinois · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shelton |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Massac-County, Illinois
Head, age 69
Massac-County, Illinois · implied b. ~1871 — 2 household members
| Surname | Shelton |
| Given Name | Mary Lou |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Grant Precinct |
| 1935 Residence (County) | Massac |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Shelton 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 Shelton
Head · 1940 · age 69 · b. ~1871 · Illinois
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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 — Massac-County, Illinois
Open full size
1940 US Federal Census — Massac-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00856-00112)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard L. Speer | 21 | Son | Telephone Repair | Illinois |
| 2 | William Edgar Day | 9 | Nephew | — | Illinois |
| 3 | Charles E. Miller | 65 | Head | Watchman | Illinois |
| 4 | Maud B. Miller | 44 | Wife | — | Illinois |
| 5 | James Cox | 73 | Head | Farming | Illinois |
| 6 | Louis Childers | 54 | Lodger | Laborer | Illinois |
| 7 | Ivy | 56 | Lodger | — | Illinois |
| 8 | Floyd Vivian Grace | 49 | Head | Superintendent | Illinois |
| 9 | Myrtle Grace | 35 | Wife | — | Illinois |
| 10 | Lloyd Genell Grace | 18 | Son | Stamping | Illinois |
| 11 | Billie Joyce Grace | 14 | Daughter | — | Illinois |
| 12 | Mary Lee Grace | 11 | Daughter | — | Illinois |
| 13 | Robert Lewis Grace | 8 | Son | — | Illinois |
| 14 | Carole Sue Grace | 6 | Daughter | — | Illinois |
| 15 | Willa Ray Grace | 3 | Daughter | — | Illinois |
| 16 | Henry Freeman | 62 | Head | Farming | Illinois |
| 17 | Robert W. Freeman | 32 | Son | Lieutenant | Illinois |
| 18 | Calvin Shelton | 37 | Head | Farming | Illinois |
| 19 | Francis Shelton | 31 | Wife | Public School Teacher | Illinois |
| 20 | Mary Jim Shelton | 4 | Daughter | — | Illinois |
| 21 | Mary Lou Shelton THIS PERSON | 69 | Head | — | Illinois |
| 22 | Paul D. Shelton | 31 | Son | Salesman | Illinois |
| 23 | Fuel Sawyer | 34 | Head | Operator | Tennessee |
| 24 | Lorene Sawyer | 22 | Wife | — | Illinois |
| 25 | Delbert Holly | 36 | Head | Fireman | Illinois |
| 26 | Madeline Holly | 34 | Wife | — | Kentucky |
| 27 | J. D. Holly | 14 | Son | — | Kentucky |
| 28 | Jean Harold Holly | 5 | Son | — | Kentucky |
| 29 | Jimmie Dale Holly | 3 | Daughter | — | Kentucky |
| 30 | Ward L. English | 23 | Head | Sawyer | Illinois |
| 31 | Helen D. English | 18 | Wife | — | Illinois |
| 32 | Sandra D. English | 0 | Daughter | — | Illinois |
| 33 | L. B. English | 59 | Head | Laborer | Kentucky |
| 34 | Eva English | 52 | Wife | — | Illinois |
| 35 | James E. English | 15 | Son | — | Illinois |
| 36 | Walda Otis Holly | 39 | Head | Carpenter | Kentucky |
| 37 | Pearl M. Holly | 32 | Wife | — | Kentucky |
| 38 | Charles L. Holly | 14 | Son | — | Kentucky |
| 39 | Mary E. Holly | 11 | Daughter | — | Kentucky |
| 40 | Billie Donald Holly | 5 | Son | — | Kentucky |
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)