Born in Dublin, Ireland, moving to USA with his parents when he was 5.
Son of Irish tenor Frank Patterson and pianist Eily O'Grady.
At the age of thirteen Éanán was accepted to the prestigious Juilliard School of Music (pre-college division) where he studied violin and piano.
Éanán, has been scoring & producing music professionally for well-known production companies like RTÉ, TG4, Setanta Sports, Microsoft Studios and Sony Pictures Television since 2004.