Brett is a moderately popular boys' name in England & Wales, ranking #341 in 2001 with 74 recorded births. The name reached its all-time peak in 1996 with 214 births ranking #159. Since 1996, the popularity has decreased by 65.4%. In 2001, approximately 1 in every 3,889 boys born was named Brett. FALLING Recent data shows the name is currently falling.