Brett is a moderately popular boys' name in England & Wales, ranking #212 in 1998 with 148 recorded births. The name reached its all-time peak in 1996 with 214 births ranking #159. Since 1996, the popularity has decreased by 30.8%. In 1998, approximately 1 in every 2,098 boys born was named Brett. FALLING Recent data shows the name is currently falling.