Giana is a distinctive girls' name in United States, ranking #865 in 2002 with 265 recorded births. The name reached its all-time peak in 2010 with 515 births ranking #568. Since 1996, the popularity has increased by 173.2%. In 2002, approximately 1 in every 6,780 girls born was named Giana. FALLING Recent data shows the name is currently falling.