Bb is a distinctive boys' name in United States, ranking #10066 in 1999 with 5 recorded births. This places Bb in the bottom 13% 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 18 births ranking #4222. In 1999, approximately 1 in every 384,017 boys born was named Bb. RISING Recent data shows the name is currently rising.