Kelvin is a moderately popular boys' name in England & Wales, ranking #367 in 1998 with 62 recorded births. This places Kelvin in the top 10% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1997 with 65 births ranking #360. In 1998, approximately 1 in every 5,008 boys born was named Kelvin. FALLING Recent data shows the name is currently falling.