Keefer is a distinctive boys' name in United States, ranking #8481 in 2014 with 9 recorded births. This places Keefer in the bottom 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 15 births ranking #4922. Since 1996, the popularity has decreased by 30.8%. In 2014, approximately 1 in every 213,382 boys born was named Keefer. FALLING Recent data shows the name is currently falling.