Delbert is a distinctive boys' name in United States, ranking #4166 in 2008 with 24 recorded births. The name reached its all-time peak in 1997 with 42 births ranking #2104. Since 1996, the popularity has decreased by 40.0%. In 2008, approximately 1 in every 84,998 boys born was named Delbert. FALLING Recent data shows the name is currently falling.