Keefer is a distinctive boys' name in United States, ranking #11627 in 2002 with 5 recorded births. The name reached its all-time peak in 2000 with 15 births ranking #4922. Since 1996, the popularity has decreased by 61.5%. In 2002, approximately 1 in every 388,294 boys born was named Keefer. FALLING Recent data shows the name is currently falling.