Giana is a distinctive girls' name in United States, ranking #735 in 2005 with 368 recorded births. The name reached its all-time peak in 2010 with 515 births ranking #568. Since 1996, the popularity has increased by 279.4%. In 2005, approximately 1 in every 5,021 girls born was named Giana. FALLING Recent data shows the name is currently falling.