Brett is a distinctive girls' name in United States, ranking #8961 in 2025 with 11 recorded births. The name reached its all-time peak in 1996 with 91 births ranking #1673. Since 1996, the popularity has decreased by 87.9%. In 2025, approximately 1 in every 146,115 girls born was named Brett. STABLE Recent data shows the name is currently stable.