Opal is a moderately popular girls' name in United States, ranking #423 in 2025 with 740 recorded births. The name reached its all-time peak in 2025 with 740 births ranking #423. Since 1996, the popularity has increased by 2,640.7%. In 2025, approximately 1 in every 2,172 girls born was named Opal. RISING Recent data shows the name is currently rising.