Son of Richard or from the rushy enclosure
Rixon is an English surname-turned-given-name. It likely originated as a patronymic meaning 'son of Rick' (Richard) or as a habitational name derived from Old English 'risc' (rush) and 'tun' (settlement), referring to a farmstead where rushes grew.
Less common today
Rixon isn't in the latest US Top 1000. It last peaked at #7,142 in 2016.
US births per 5-year period, 1990βpresent (SSA data).