Mariella is a distinctive girls' name in United States, ranking #943 in 2025 with 274 recorded births. The name reached its all-time peak in 2025 with 274 births ranking #943. Since 1996, the popularity has increased by 522.7%. In 2025, approximately 1 in every 5,866 girls born was named Mariella. RISING Recent data shows the name is currently rising.