Bj is a distinctive boys' name in United States, ranking #7492 in 2006 with 10 recorded births. The name reached its all-time peak in 1996 with 15 births ranking #4200. Since 1996, the popularity has decreased by 33.3%. In 2006, approximately 1 in every 205,512 boys born was named Bj. RISING Recent data shows the name is currently rising.