Clarissa is a moderately popular girls' name in United States, ranking #317 in 1999 with 975 recorded births. The name reached its all-time peak in 1996 with 1,157 births ranking #242. Since 1996, the popularity has decreased by 15.7%. In 1999, approximately 1 in every 1,819 girls born was named Clarissa. STABLE Recent data shows the name is currently stable.