Brittni is a distinctive girls' name in United States, ranking #15291 in 2010 with 6 recorded births. The name reached its all-time peak in 1996 with 214 births ranking #916. Since 1996, the popularity has decreased by 97.2%. In 2010, approximately 1 in every 296,221 girls born was named Brittni. FALLING Recent data shows the name is currently falling.