Sianna is a distinctive girls' name in United States, ranking #2131 in 2007 with 95 recorded births. The name reached its all-time peak in 2024 with 98 births ranking #2003. Since 1996, the popularity has increased by 427.8%. In 2007, approximately 1 in every 20,236 girls born was named Sianna. STABLE Recent data shows the name is currently stable.