Brittni is a distinctive girls' name in United States, ranking #1550 in 1999 with 109 recorded births. The name reached its all-time peak in 1996 with 214 births ranking #916. Since 1996, the popularity has decreased by 49.1%. In 1999, approximately 1 in every 16,273 girls born was named Brittni. FALLING Recent data shows the name is currently falling.