Deegan is a distinctive boys' name in United States, ranking #893 in 2010 with 230 recorded births. This places Deegan in the top 6% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2011 with 259 births ranking #835. In 2010, approximately 1 in every 8,341 boys born was named Deegan. FALLING Recent data shows the name is currently falling.