Ciarán Lennon was born in Dublin in 1947. He studied at the National College of Art and Design, Dublin from 1963 to 67. Since 1972 Lennon has had numerous solo exhibitions in museums and art galleries within Ireland and abroad. His works are in public and private collections in Ireland and abroad: the National Gallery of Ireland, Bank of Ireland, Contemporary Irish Art Society, The Hugh Lane Municipal Gallery, Dublin, Trinity College, Dublin, GPA collection, the Office of Public Works collection, Dublin, Kamarsky collection, New York, the Fogg Museum of Fine Art, Boston, USA, Arken Museum of Modern art, Copenhagen.
He lives and works in Dublin.