From the town of cats; or a variant of Gaston.
Caston is primarily an English habitational surname likely referring to Cawston in Norfolk, meaning 'settlement of a man named Kalf'. It is also frequently used as a phonetic variant of the French name Gaston, which is derived from the Germanic word for 'guest' or 'stranger'.
About 15 boys were named Caston in 2025.
US births per 5-year period, 1990–present (SSA data).
A character in the video game series · Suikoden V
