Dream or vision; possibly a modern variant of Aislinn.
Aizlyn is a modern Americanized spelling of the traditional Irish name Aislinn. It derives from the Irish word 'aisling', which refers to a poetic genre or a vision/dream. The name gained popularity in Ireland in the 20th century and has since seen various phonetic spelling adaptations in the United States.
Less common today
Aizlyn isn't in the latest US Top 1000. It last peaked at #7,268 in 2019.
US births per 5-year period, 1990βpresent (SSA data).