Monica is a moderately popular girls' name in England & Wales, ranking #278 in 1998 with 136 recorded births. The name reached its all-time peak in 1997 with 138 births ranking #274. Since 1996, the popularity has increased by 46.2%. In 1998, approximately 1 in every 2,126 girls born was named Monica. STABLE Recent data shows the name is currently stable.