Millenia is a distinctive girls' name in United States, ranking #11672 in 1997 with 7 recorded births. The name reached its all-time peak in 2000 with 41 births ranking #3320. Since 1996, the popularity has increased by 40.0%. In 1997, approximately 1 in every 248,666 girls born was named Millenia. FALLING Recent data shows the name is currently falling.