Cason

Cason is a boy's and girl's baby name of Old English origin, an English surname transferred to first name use, possibly derived from case or from the given name Casey, meaning "vigilant" or "watchful." It carries a clean, friendly confidence.

Cason has recorded over 11,000 U.S. births, establishing it as a legitimate standalone name rather than just a variant. Its two-syllable ease and familiar -on ending place it comfortably alongside Grayson, Mason, and Carson in the modern surname-name tradition.