Kelvin is a distinctive boys' name in United States, ranking #546 in 2011 with 465 recorded births. The name reached its all-time peak in 1998 with 698 births ranking #367. Since 1996, the popularity has decreased by 31.3%. In 2011, approximately 1 in every 4,084 boys born was named Kelvin. STABLE Recent data shows the name is currently stable.