Raigan is a distinctive girls' name in United States, ranking #4015 in 2005 with 36 recorded births. The name reached its all-time peak in 2007 with 46 births ranking #3587. Since 1996, the popularity has increased by 89.5%. In 2005, approximately 1 in every 51,325 girls born was named Raigan. FALLING Recent data shows the name is currently falling.