Milli is a distinctive girls' name in England & Wales, ranking #788 in 2004 with 35 recorded births. The name reached its all-time peak in 2003 with 47 births ranking #619. Since 1996, the popularity has increased by 1,066.7%. In 2004, approximately 1 in every 8,167 girls born was named Milli. FALLING Recent data shows the name is currently falling.