Calum is a distinctive boys' name in United States, ranking #2119 in 2007 with 64 recorded births. This places Calum in the top 15% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 313 births ranking #799. Since 1996, the popularity has increased by 48.8%. In 2007, approximately 1 in every 32,426 boys born was named Calum. RISING Recent data shows the name is currently rising.