Keefer is a distinctive boys' name in United States, ranking #8673 in 2008 with 9 recorded births. The name reached its all-time peak in 2000 with 15 births ranking #4922. Since 1996, the popularity has decreased by 30.8%. In 2008, approximately 1 in every 226,661 boys born was named Keefer. FALLING Recent data shows the name is currently falling.