Kallum is a distinctive boys' name in United States, ranking #4966 in 2015 with 19 recorded births. This places Kallum in the top 35% 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 114 births ranking #1522. In 2015, approximately 1 in every 100,856 boys born was named Kallum. RISING Recent data shows the name is currently rising.