Brittni is a distinctive girls' name in United States, ranking #6579 in 2005 with 18 recorded births. The name reached its all-time peak in 1996 with 214 births ranking #916. Since 1996, the popularity has decreased by 91.6%. In 2005, approximately 1 in every 102,650 girls born was named Brittni. FALLING Recent data shows the name is currently falling.