Delmer is a distinctive boys' name in United States, ranking #9657 in 2002 with 6 recorded births. The name reached its all-time peak in 2012 with 13 births ranking #6404. Since 1996, the popularity has decreased by 14.3%. In 2002, approximately 1 in every 323,579 boys born was named Delmer. FALLING Recent data shows the name is currently falling.