John Dennis Blackburn is 86 years old. John lives in San Antonio, Texas. John has also lived in Phoenix, Arizona; Chandler, Arizona; Scottsdale, Arizona and Atlanta, Georgia. John Dennis Blackburn, Heather Suzanne Blackburn, John Dennis Blackburn, Keisha Luzattie Black, David Lawson Blackburn and Jane Dyer Blackburn are some of John relatives.