Caelum is a distinctive boys' name in United States, ranking #3908 in 2012 with 26 recorded births. This places Caelum in the top 27% 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 97 births ranking #1690. In 2012, approximately 1 in every 72,947 boys born was named Caelum. RISING Recent data shows the name is currently rising.