Delbert is a distinctive boys' name in United States, ranking #2467 in 1998 with 35 recorded births. The name reached its all-time peak in 1997 with 42 births ranking #2104. Since 1996, the popularity has decreased by 12.5%. In 1998, approximately 1 in every 54,609 boys born was named Delbert. FALLING Recent data shows the name is currently falling.