Cosette is a distinctive girls' name in United States, ranking #1909 in 2024 with 104 recorded births. The name reached its all-time peak in 2015 with 141 births ranking #1554. Since 1996, the popularity has increased by 188.9%. In 2024, approximately 1 in every 15,511 girls born was named Cosette. STABLE Recent data shows the name is currently stable.