"You Were Mine"is a song written and recorded in 1959 by Paul Giacalone and performed by American doo-wop group The Fireflies.

"You Were Mine" was written by 19-year-old Giacalone about a girl he met while he was touring.[1] It spent 16 weeks on the Billboard Hot 100, and peaked at #21 on October 26, 1959,[2][3] while reaching #15 on Canada's CHUM Hit Parade.[4]