Aislynn is an American spelling of the Irish Aisling, a name taken directly from the Irish word for "dream" or "vision", which also names a genre of Irish poetry. The -lynn ending adapts it to American spelling habits. In the United States Aislynn ranked number 2481 in 2000, peaked at number 1437 in 2015 and stands at number 2099 among girls' names in 2025.