Sianna is a distinctive girls' name in United States, ranking #2409 in 2003 with 69 recorded births. The name reached its all-time peak in 2024 with 98 births ranking #2003. Since 1996, the popularity has increased by 283.3%. In 2003, approximately 1 in every 26,479 girls born was named Sianna. STABLE Recent data shows the name is currently stable.