Raigan is a distinctive girls' name in United States, ranking #4756 in 2000 with 25 recorded births. The name reached its all-time peak in 2007 with 46 births ranking #3587. Since 1996, the popularity has increased by 31.6%. In 2000, approximately 1 in every 72,639 girls born was named Raigan. FALLING Recent data shows the name is currently falling.