Bj is a distinctive boys' name in United States, ranking #7366 in 1997 with 7 recorded births. The name reached its all-time peak in 1996 with 15 births ranking #4200. Since 1996, the popularity has decreased by 53.3%. In 1997, approximately 1 in every 269,299 boys born was named Bj. RISING Recent data shows the name is currently rising.