Sully is a distinctive boys' name in United States, ranking #3371 in 2025 with 35 recorded births. The name reached its all-time peak in 2011 with 42 births ranking #2843. Since 1996, the popularity has increased by 133.3%. In 2025, approximately 1 in every 48,802 boys born was named Sully. RISING Recent data shows the name is currently rising.