MM
Mary Mckinney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Graves-County, Kentucky
Our Model Tree links this Mary Mckinney across the 1930 and 1940 US Censuses in Graves-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 10-person household.
Age 37
b. ~1903
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Graves-County, Kentucky |
| Surname | McKinney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Grover |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 5 |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| Lyda Mckinney | Daughter | — | 4 | ~1936 |
| Eula Mckinney | Daughter | — | 7 | ~1933 |
| Betty Mckinney | Daughter | — | 11 | ~1929 |
| William Mckinney | Son | — | 16 | ~1924 |
| Chester Mckinney | Daughter | — | 12 | ~1928 |
| Mary Mckinney | Spouse | — | 37 | ~1903 |
| Maggie Mckinney | Daughter | — | 20 | ~1920 |
| Phillip Mckinney | Son | — | 18 | ~1922 |
| Ethel Mckinney | Daughter | — | 9 | ~1931 |
| Phillip Mckinney | Head | — | 46 | ~1894 |
Census Appearances
1930
Graves, Kentucky
Spouse, age 27
Graves, Kentucky · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 15 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Graves-County, Kentucky
Spouse, age 37
Graves-County, Kentucky · implied b. ~1903 — 10 household members
| Surname | McKinney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Grover |
| Highest Grade | 3 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Mckinney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mckinney
Spouse · 1940 · age 37 · b. ~1903 · Kentucky
★ 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 — Graves-County, Kentucky
Open full size
1940 US Federal Census — Graves-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01309-00650)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joann Hobbs | 10 | Daughter | — | Kentucky |
| 42 | Linda L. Hobbs | 2 | Daughter | — | Kentucky |
| 43 | George Oguin | 35 | Head | Farmer | Kentucky |
| 44 | Margaret Oguin | 32 | Wife | — | Kentucky |
| 45 | Noel G. Oguin | 14 | Son | — | Kentucky |
| 46 | Leonel Oguin | 12 | Son | — | Kentucky |
| 47 | Anna Fay Oguin | 10 | Daughter | — | Kentucky |
| 48 | Gilbert Oguin | 7 | Son | — | Kentucky |
| 49 | Gay Bell Oguin | 4 | Daughter | — | Kentucky |
| 50 | Alice Dell Oguin | 2 | Daughter | — | Kentucky |
| 51 | Lois Eva Oguin | 0 | Daughter | — | Kentucky |
| 52 | Lee Oguin | 53 | Head | Farmer | Kentucky |
| 53 | Cassie Oguin | 46 | Wife | — | Kentucky |
| 54 | Phillip Mckinney | 46 | Head | Farmer | Kentucky |
| 55 | Mary Mckinney THIS PERSON | 37 | Wife | — | Kentucky |
| 56 | Maggie Mae Mckinney | 20 | Daughter | — | Kentucky |
| 57 | Phillip Jr. Mckinney | 18 | Son | Farmer | Kentucky |
| 58 | William C. Mckinney | 16 | Son | Farmer | Kentucky |
| 59 | Chester Merle Mckinney | 12 | Daughter | — | Kentucky |
| 60 | Betty Jane Mckinney | 11 | Daughter | — | Kentucky |
| 61 | Ethel Ann Mckinney | 9 | Daughter | — | Kentucky |
| 62 | Eula Mae Mckinney | 7 | Daughter | — | Kentucky |
| 63 | Lyda Fay Mckinney | 4 | Daughter | — | Kentucky |
| 64 | Robert G. Daniel | 62 | Head | Farmer | Kentucky |
| 65 | Minnie Mae Daniel | 53 | Wife | — | Kentucky |
| 66 | Paul Daniel | 19 | Son | Farmer | Kentucky |
| 67 | Imogene Daniel | 15 | Daughter | — | Kentucky |
| 68 | Nellie Mae Daniel | 11 | Daughter | — | Kentucky |
| 69 | Lodie Mae Daniel | 9 | Daughter | — | Kentucky |
| 70 | Isaac Daniel | 6 | Son | — | Kentucky |
| 71 | Noble Daniel | 3 | Son | — | Kentucky |
| 72 | Aubrey Caplen | 37 | Head | Farmer | Kentucky |
| 73 | Ethel Caplen | 37 | Wife | — | Kentucky |
| 74 | Milton Brewer | 22 | Lodger | Farmer | Kentucky |
| 75 | Minnie L. Oguin | 70 | Head | — | Kentucky |
| 76 | B. T. Oguin | 50 | Son | Farmer | Kentucky |
| 77 | Jesse Oguin | 49 | Son | Farmer | Kentucky |
| 78 | D. Oguin | 24 | Grandson | Farmer | Kentucky |
| 79 | Harry Donaphin | 34 | Head | Farmer | Kentucky |
| 80 | Mae Mae Donaphin | 29 | Wife | Farmer | Kentucky |
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)