Kooper is a distinctive boys' name in United States, ranking #1024 in 2025 with 218 recorded births. The name reached its all-time peak in 2022 with 230 births ranking #980. Since 1996, the popularity has increased by 1,457.1%. In 2025, approximately 1 in every 7,835 boys born was named Kooper. STABLE Recent data shows the name is currently stable.