Brett is a moderately popular boys' name in United States, ranking #243 in 2005 with 1,389 recorded births. The name reached its all-time peak in 1996 with 3,577 births ranking #110. Since 1996, the popularity has decreased by 61.2%. In 2005, approximately 1 in every 1,438 boys born was named Brett. FALLING Recent data shows the name is currently falling.