Ab is a distinctive boys' name in United States, ranking #4890 in 2001 with 15 recorded births. This places Ab in the top 40% 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 2001, approximately 1 in every 129,522 boys born was named Ab. FALLING Recent data shows the name is currently falling.