Delbert is a distinctive boys' name in United States, ranking #2941 in 2003 with 33 recorded births. The name reached its all-time peak in 1997 with 42 births ranking #2104. Since 1996, the popularity has decreased by 17.5%. In 2003, approximately 1 in every 59,857 boys born was named Delbert. FALLING Recent data shows the name is currently falling.