Brittni is a distinctive girls' name in United States, ranking #1431 in 1998 with 120 recorded births. The name reached its all-time peak in 1996 with 214 births ranking #916. Since 1996, the popularity has decreased by 43.9%. In 1998, approximately 1 in every 14,724 girls born was named Brittni. FALLING Recent data shows the name is currently falling.