Calum is a moderately popular boys' name in England & Wales, ranking #103 in 2006 with 575 recorded births. This places Calum in the top 2% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 614 births ranking #91. In 2006, approximately 1 in every 557 boys born was named Calum. FALLING Recent data shows the name is currently falling.