Brett is a moderately popular boys' name in England & Wales, ranking #159 in 1996 with 214 recorded births. This places Brett in the top 4% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 214 births ranking #159. In 1996, approximately 1 in every 1,488 boys born was named Brett. FALLING Recent data shows the name is currently falling.