Millianna is a distinctive girls' name in United States, ranking #9964 in 2014 with 11 recorded births. This places Millianna in the bottom 48% 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 2014, approximately 1 in every 162,358 girls born was named Millianna. FALLING Recent data shows the name is currently falling.