Millie-Mae is a distinctive girls' name in England & Wales, ranking #1088 in 2015 with 32 recorded births. This places Millie-Mae in the top 15% of ranked UK girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 58 births ranking #681. In 2015, approximately 1 in every 9,623 girls born was named Millie-Mae. FALLING Recent data shows the name is currently falling.