Morrigan is a distinctive girls' name in United States, ranking #3375 in 2015 with 48 recorded births. The name reached its all-time peak in 2023 with 69 births ranking #2573. Since 1996, the popularity has increased by 220.0%. In 2015, approximately 1 in every 37,180 girls born was named Morrigan. STABLE Recent data shows the name is currently stable.