Eyden is a phonetic spelling of Aiden, the anglicized form of the Irish Aodhán, which means "little fire" and was borne by several early Irish saints. The spelling with Ey- mirrors how the name is pronounced in Spanish and is used mostly by Latino families in the United States. Eyden has risen from number 3389 in 2015 to number 1205 in 2025, its best rank so far.