Ciona is a distinctive girls' name in United States, ranking #11645 in 2006 with 9 recorded births. This places Ciona in the bottom 42% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 9 births ranking #11645. In 2006, approximately 1 in every 211,230 girls born was named Ciona. FALLING Recent data shows the name is currently falling.