Dillon is a distinctive girls' name in United States, ranking #5646 in 2003 with 21 recorded births. The name reached its all-time peak in 2020 with 61 births ranking #2725. Since 1996, the popularity has increased by 16.7%. In 2003, approximately 1 in every 87,002 girls born was named Dillon. FALLING Recent data shows the name is currently falling.