Kelvin is a distinctive boys' name in United States, ranking #652 in 2015 with 399 recorded births. The name reached its all-time peak in 1998 with 698 births ranking #367. Since 1996, the popularity has decreased by 41.1%. In 2015, approximately 1 in every 4,803 boys born was named Kelvin. STABLE Recent data shows the name is currently stable.