Delbert is a distinctive boys' name in United States, ranking #3541 in 2006 with 29 recorded births. The name reached its all-time peak in 1997 with 42 births ranking #2104. Since 1996, the popularity has decreased by 27.5%. In 2006, approximately 1 in every 70,866 boys born was named Delbert. FALLING Recent data shows the name is currently falling.