Sully is a distinctive boys' name in United States, ranking #7324 in 2000 with 9 recorded births. The name reached its all-time peak in 2011 with 42 births ranking #2843. Since 1996, the popularity has decreased by 40.0%. In 2000, approximately 1 in every 218,215 boys born was named Sully. RISING Recent data shows the name is currently rising.