Little king or dweller by the rye valley
Rydan is a modern invented name likely created by blending the traditional elements of Ryan and Aidan. It is often associated with the Gaelic 'Rian', meaning little king, or interpreted as a variation of the English surname Ryden, referring to a valley where rye is grown.
Less common today
Rydan isn't in the latest US Top 1000. It last peaked at #6,276 in 2012.
US births per 5-year period, 1990βpresent (SSA data).