WM
William Mckinney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Kentucky
Our Model Tree links this William Mckinney across the 1930 and 1940 US Censuses in Butler-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Kentucky |
| Surname | McKinney |
| Given Name | William T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magistrate District No. 2 |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magistrate District No 2 |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mordie Mckinney | Head | — | 36 | ~1904 |
| Layman Mckinney | Son | — | 12 | ~1928 |
| Dyke Mckinney | Son | — | 7 | ~1933 |
| John Mckinney | Son | — | 5 | ~1935 |
| Helen Mckinney | Daughter | — | 15 | ~1925 |
| Billie Mckinney | Son | — | 2 | ~1938 |
| James Mckinney | Son | — | 10 | ~1930 |
| William Mckinney | Son | — | 14 | ~1926 |
| Louise Mckinney | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Butler, Kentucky
Son, age 4
Butler, Kentucky · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKinney |
| Given Name | William T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Butler-County, Kentucky
Son, age 14
Butler-County, Kentucky · implied b. ~1926 — 9 household members
| Surname | McKinney |
| Given Name | William T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magistrate District No. 2 |
| 1935 Residence (County) | Butler |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| 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 William Mckinney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mckinney
Son · 1940 · age 14 · b. ~1926 · Kentucky
★ You are viewing this record
Sibling
Billie Mckinney
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mckinney
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Layman Mckinney
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dyke Mckinney
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mckinney
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mckinney
Sibling · 1940 · age 15
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 — Butler-County, Kentucky
Open full size
1940 US Federal Census — Butler-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01287-00166)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lula Martin | 77 | Wife | — | Kentucky |
| 42 | John W Martin | 63 | Head | Farmer | Kentucky |
| 43 | Celia E Martin | 53 | Wife | — | Kentucky |
| 44 | Newel Martin | 30 | Daughter | — | Kentucky |
| 45 | Wade Martin | 26 | Son | Miner | Kentucky |
| 46 | Aubrey Martin | 23 | Son | Farmer | Kentucky |
| 47 | Roy Martin | 20 | Son | Farm Laborer | Kentucky |
| 48 | Arthur Martin | 15 | Son | Farmer | Kentucky |
| 49 | Pansy Martin | 15 | Daughter | — | Kentucky |
| 50 | Clyde Martin | 10 | Son | — | Kentucky |
| 51 | John H Yadwert|Yadwest | 43 | Head | Farmer | Kentucky |
| 52 | Vonie M Yadwert|Yadwest | 33 | Wife | — | Kentucky |
| 53 | John D Yadwert|Yadwest | 20 | Son | Farmer | Kentucky |
| 54 | Virginia Yadwert|Yadwest | 13 | Daughter | — | Kentucky |
| 55 | Wanda L Yadwert|Yadwest | 10 | Daughter | — | Ohio |
| 56 | Juanita J Yadwert|Yadwest | 7 | Daughter | — | Kentucky |
| 57 | Mary L Yadwert|Yadwest | 6 | Daughter | — | Kentucky |
| 58 | Ruth C Yadwert|Yadwest | 4 | Daughter | — | Kentucky |
| 59 | Mordie Mckinney | 36 | Head | Miner | Kentucky |
| 60 | Louise Mckinney | 35 | Wife | — | Kentucky |
| 61 | Helen V Mckinney | 15 | Daughter | — | Kentucky |
| 62 | William T Mckinney THIS PERSON | 14 | Son | — | Kentucky |
| 63 | Layman E Mckinney | 12 | Son | — | Kentucky |
| 64 | James R Mckinney | 10 | Son | — | Kentucky |
| 65 | Dyke Mckinney | 7 | Son | — | Kentucky |
| 66 | John B Mckinney | 5 | Son | — | Kentucky |
| 67 | Billie R Mckinney | 2 | Son | — | Kentucky |
| 68 | Abner S Ragland | 71 | Head | — | Kentucky |
| 69 | Lola A Ragland | 53 | Wife | — | Kentucky |
| 70 | Ruby L Ragland | 30 | Daughter | — | Kentucky |
| 71 | Raymond L Ragland | 25 | Son | Farmer | Kentucky |
| 72 | Hugh C Ragland | 19 | Son | Farmer | Kentucky |
| 73 | Ellis Hudnall | 50 | Head | Farmer | Kentucky |
| 74 | Lela J Hudnall | 40 | Wife | — | Kentucky |
| 75 | Doris V Hudnall | 12 | Daughter | — | Kentucky |
| 76 | Mary F Hudnall | 8 | Daughter | — | Kentucky |
| 77 | Marjorie Hudnall | 5 | Daughter | — | Kentucky |
| 78 | Abel E Hudnall | 1 | Daughter | — | Kentucky |
| 79 | Beatty D Proctor | 24 | Head | Farmer | Kentucky |
| 80 | Esther L Proctor | 20 | Wife | — | 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)