Gianna is a highly popular girls' name in United States, ranking #13 in 2021 with 7,475 recorded births. The name reached its all-time peak in 2020 with 7,899 births ranking #13. Since 1996, the popularity has increased by 1,041.2%. In 2021, approximately 1 in every 219 girls born was named Gianna. STABLE Recent data shows the name is currently stable.