Little fire
Aadyn is a modern creative spelling of the Irish name Aidan. It is derived from the Gaelic name AodhΓ‘n, which is a diminutive of Aodh, the name of the Celtic god of fire.
Less common today
Aadyn isn't in the latest US Top 1000. It last peaked at #1,908 in 2009.
US births per 5-year period, 1990βpresent (SSA data).