Giana is a distinctive girls' name in United States, ranking #601 in 2009 with 502 recorded births. The name reached its all-time peak in 2010 with 515 births ranking #568. Since 1996, the popularity has increased by 417.5%. In 2009, approximately 1 in every 3,659 girls born was named Giana. FALLING Recent data shows the name is currently falling.