Education
Feehily studied at Dún Laoghaire College of Art and Design (now known as Dún Laoghaire Institute of Art, Design and Technology), and in the late 1990s received the Monbusho Scholarship from the Japanese Ministry of Education to study at Tokyo National University of Fine Arts and Music.
Career
In 2005 Feehily published the book A Venn Notebook () with Zero-g and David Toop. Feehily currently shows with Galerie Christian Lethert, Cologne and Galerie Michael Sturm, Stuttgart. His work is included in the collections of both the Irish Museum of Modern Art and The Arts Council of Ireland.