MG
Mary Graves — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcdonough-County, Illinois
Our Model Tree links this Mary Graves across the 1920, 1930 and 1940 US Censuses in Mcdonough-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 10-person household.
Age 70
b. ~1870
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcdonough-County, Illinois |
| Surname | Graves |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Macomb City |
| 1935 Residence (County) | McDonough |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 7 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Macomb City |
| Est. Birth Year | ~1870 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Francis Cady | Other | — | 28 | ~1912 |
| Charles Bliven | Other | — | 17 | ~1923 |
| Alice Hoskin | Other | — | 70 | ~1870 |
| Ollie Bliven | Daughter | — | 46 | ~1894 |
| John Graves | Head | — | 69 | ~1871 |
| David Bliven | Other | — | 7 | ~1933 |
| John Bliven | Other | — | 18 | ~1922 |
| Gene Cady | Other | — | 27 | ~1913 |
| Howard Gordon | Other | — | 34 | ~1906 |
| Mary Graves | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Mcdonough, Illinois
Spouse, age 49
Mcdonough, Illinois · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graves |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mcdonough, Illinois
Other, age 60
Mcdonough, Illinois · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graves |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mcdonough-County, Illinois
Spouse, age 70
Mcdonough-County, Illinois · implied b. ~1870 — 10 household members
| Surname | Graves |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Macomb City |
| 1935 Residence (County) | McDonough |
| Class of Worker | 0 |
| Hours Worked | 7 |
| 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 Graves 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 Graves
Spouse · 1940 · age 70 · b. ~1870 · 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 — Mcdonough-County, Illinois
Open full size
1940 US Federal Census — Mcdonough-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00839-00393)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Melvin Nora Barkley | 64 | Head | — | Illinois |
| 42 | Meadows Alice Barkley | 65 | Lodger | Housework | Illinois |
| 43 | Burley Martha Barkley | 71 | Lodger | — | Illinois |
| 44 | Lois Thompson | 70 | Head | — | Illinois |
| 45 | Obie Butterfield | 55 | Head | — | Illinois |
| 46 | Blanche Butterfield | 52 | Wife | Office Girl | Kansas |
| 47 | Elden L. Foy | 56 | Head | Supervisor | Illinois |
| 48 | Frances Foy | 26 | Wife | — | Illinois |
| 49 | Janice Foy | 4 | Daughter | 0 | Illinois |
| 50 | Lyda Kinhade | 66 | Head | — | Illinois |
| 51 | John Graves | 69 | Head | Mayor | Kentucky |
| 52 | Mary Graves THIS PERSON | 70 | Wife | — | Illinois |
| 53 | Ollie Bliven | 46 | Daughter | — | Illinois |
| 54 | John Bliven | 18 | Grandson | — | Illinois |
| 55 | Charles Bliven | 17 | Grandson | — | Illinois |
| 56 | David Bliven | 7 | Grandson | — | Illinois |
| 57 | Alice Hoskin | 70 | Sister in law | — | Illinois |
| 58 | Gene Cady | 27 | Lodger | Salesman | Missouri |
| 59 | Francis Cady | 28 | Lodger | Mechanic | Missouri |
| 60 | Howard Gordon | 34 | Lodger | Pressman | Illinois |
| 61 | Mina Robinson | 54 | Head | Waitress | Illinois |
| 62 | Reneta Robinson | 21 | Daughter | Waitress | Illinois |
| 63 | Harman Hillyer | 41 | Head | Partner & Proprietor | Illinois |
| 64 | Edna Hillyer | 30 | Wife | Saleslady | Illinois |
| 65 | Roger Hillyer | 5 | Son | — | Illinois |
| 66 | Robert Crowe | 31 | Head | Teacher Coach | Missouri |
| 67 | Esther Crowe | 32 | Wife | — | Illinois |
| 68 | Marsha Lynn Crowe | 3 | Daughter | 0 | Illinois |
| 69 | Carl T. Smith | 48 | Head | Rural Mail Carrier | Illinois |
| 70 | Esther Smith | 41 | Wife | — | Illinois |
| 71 | Richard Smith | 12 | Son | — | Illinois |
| 72 | Juanita Smith | 5 | Daughter | — | Illinois |
| 73 | Ray Prigge | 56 | Head | Superintendent | Illinois |
| 74 | Mattie Prigge | 55 | Wife | — | Tennessee |
| 75 | Marjorie Spillman | 23 | Lodger | Bookkeeper Stenographer | Illinois |
| 76 | Maggie Leber | 21 | Lodger | Bookkeeper | Illinois |
| 77 | Marge Loring | 19 | Lodger | Stenographer | Illinois |
| 78 | Laura Kasbach | 78 | Head | Saleslady | Illinois |
| 79 | Hamer Hoffman | 46 | Head | Maintenance Man | Illinois |
| 80 | Ruth Hoffman | 46 | Wife | — | Illinois |
Related Census Records
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)