Brittain is a distinctive girls' name in United States, ranking #13498 in 2025 with 6 recorded births. The name reached its all-time peak in 2014 with 12 births ranking #9074. Since 1996, the popularity has decreased by 45.5%. In 2025, approximately 1 in every 267,878 girls born was named Brittain. RISING Recent data shows the name is currently rising.