Irelan is a distinctive girls' name in United States, ranking #18035 in 2010 with 5 recorded births. This places Irelan in the bottom 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 9 births ranking #11971. In 2010, approximately 1 in every 355,465 girls born was named Irelan. FALLING Recent data shows the name is currently falling.