Calum is a moderately popular boys' name in England & Wales, ranking #122 in 2005 with 447 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. Since 1996, the popularity has decreased by 27.2%. In 2005, approximately 1 in every 692 boys born was named Calum. FALLING Recent data shows the name is currently falling.