Dillon is a moderately popular boys' name in United States, ranking #188 in 2003 with 2,011 recorded births. The name reached its all-time peak in 1996 with 3,025 births ranking #121. Since 1996, the popularity has decreased by 33.5%. In 2003, approximately 1 in every 982 boys born was named Dillon. FALLING Recent data shows the name is currently falling.