Kelvin is a distinctive boys' name in United States, ranking #1036 in 2025 with 214 recorded births. The name reached its all-time peak in 1998 with 698 births ranking #367. Since 1996, the popularity has decreased by 68.4%. In 2025, approximately 1 in every 7,982 boys born was named Kelvin. STABLE Recent data shows the name is currently stable.