Millianna is a distinctive girls' name in United States, ranking #14350 in 2011 with 7 recorded births. This places Millianna in the bottom 27% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 20 births ranking #6391. In 2011, approximately 1 in every 251,258 girls born was named Millianna. FALLING Recent data shows the name is currently falling.