Deegan is a distinctive boys' name in United States, ranking #1391 in 2006 with 114 recorded births. This places Deegan in the top 10% 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 259 births ranking #835. In 2006, approximately 1 in every 18,027 boys born was named Deegan. FALLING Recent data shows the name is currently falling.