Sully is a distinctive boys' name in United States, ranking #4201 in 2018 with 25 recorded births. The name reached its all-time peak in 2011 with 42 births ranking #2843. Since 1996, the popularity has increased by 66.7%. In 2018, approximately 1 in every 72,619 boys born was named Sully. RISING Recent data shows the name is currently rising.