Raigan is a distinctive girls' name in United States, ranking #4907 in 1998 with 22 recorded births. The name reached its all-time peak in 2007 with 46 births ranking #3587. Since 1996, the popularity has increased by 15.8%. In 1998, approximately 1 in every 80,313 girls born was named Raigan. FALLING Recent data shows the name is currently falling.