Millicent is a moderately popular girls' name in England & Wales, ranking #300 in 1999 with 117 recorded births. The name reached its all-time peak in 1998 with 143 births ranking #273. Since 1996, the popularity has increased by 77.3%. In 1999, approximately 1 in every 2,408 girls born was named Millicent. RISING Recent data shows the name is currently rising.