Dillon is a distinctive girls' name in United States, ranking #3658 in 2025 with 41 recorded births. The name reached its all-time peak in 2020 with 61 births ranking #2725. Since 1996, the popularity has increased by 127.8%. In 2025, approximately 1 in every 39,202 girls born was named Dillon. FALLING Recent data shows the name is currently falling.