Mills is a distinctive girls' name in United States, ranking #17603 in 2017 with 5 recorded births. This places Mills in the bottom 5% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 21 births ranking #5907. In 2017, approximately 1 in every 345,176 girls born was named Mills. FALLING Recent data shows the name is currently falling.