Kelvin is a distinctive boys' name in United States, ranking #551 in 2012 with 473 recorded births. This places Kelvin in the top 4% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1998 with 698 births ranking #367. Since 1996, the popularity has decreased by 30.1%. In 2012, approximately 1 in every 4,010 boys born was named Kelvin. STABLE Recent data shows the name is currently stable.