Morrigan is a distinctive girls' name in United States, ranking #4086 in 2010 with 37 recorded births. The name reached its all-time peak in 2023 with 69 births ranking #2573. Since 1996, the popularity has increased by 146.7%. In 2010, approximately 1 in every 48,036 girls born was named Morrigan. STABLE Recent data shows the name is currently stable.