Caelus is a very rare boys' name that first appeared in 2022 and is quickly gaining ground.
Caelus is a boy name. In 2025 it ranked #8,364 for boy births in the United States (and #17,393 across all names), given to 9 babies. Caelus first appears in 2022 and peaked in 2024 (12 births).
Boys named Caelus per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2022–2025 · U.S.+territories from SSA territory files (1998–2025)