Marilu is a distinctive girls' name in United States, ranking #6824 in 2023 with 17 recorded births. The name reached its all-time peak in 1996 with 54 births ranking #2414. Since 1996, the popularity has decreased by 68.5%. In 2023, approximately 1 in every 94,273 girls born was named Marilu. STABLE Recent data shows the name is currently stable.