Little ruler or counsel power
Raigen is a modern creative spelling of the Irish surname Reagan. It is derived from the Gaelic name RiagΓ‘n, which likely stems from the word 'rΓ' meaning king, combined with a diminutive suffix.
Less common today
Raigen isn't in the latest US Top 1000. It last peaked at #5,653 in 2002.
US births per 5-year period, 1990βpresent (SSA data).