Kelvin is a moderately popular boys' name in England & Wales, ranking #500 in 2004 with 52 recorded births. The name reached its all-time peak in 1997 with 65 births ranking #360. Since 1996, the popularity has decreased by 17.5%. In 2004, approximately 1 in every 5,932 boys born was named Kelvin. FALLING Recent data shows the name is currently falling.