Sully is a distinctive boys' name in United States, ranking #5105 in 2001 with 15 recorded births. This places Sully in the top 41% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 42 births ranking #2843. In 2001, approximately 1 in every 129,522 boys born was named Sully. RISING Recent data shows the name is currently rising.