Brett is a moderately popular boys' name in United States, ranking #198 in 2002 with 1,868 recorded births. The name reached its all-time peak in 1996 with 3,577 births ranking #110. Since 1996, the popularity has decreased by 47.8%. In 2002, approximately 1 in every 1,039 boys born was named Brett. FALLING Recent data shows the name is currently falling.