Mariel is a distinctive girls' name in United States, ranking #1574 in 2003 with 123 recorded births. The name reached its all-time peak in 2025 with 298 births ranking #893. Since 1996, the popularity has decreased by 29.3%. In 2003, approximately 1 in every 14,854 girls born was named Mariel. RISING Recent data shows the name is currently rising.