Ab is a distinctive boys' name in United States, ranking #10768 in 2010 with 6 recorded births. This places Ab in the bottom 25% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 41 births ranking #2867. In 2010, approximately 1 in every 319,735 boys born was named Ab. FALLING Recent data shows the name is currently falling.