Variant of Sheila, meaning blind; or a modern creative coinage.
Sheyli is most likely a modern phonetic spelling variant of the name Sheila, which is the Irish form of Cecilia. In this context, it traces back to the Latin 'caecus' meaning blind. However, in many Spanish-speaking communities, it is used as a contemporary creative name with no single fixed etymology.
Less common today
Sheyli isn't in the latest US Top 1000. It last peaked at #5,513 in 2023.
US births per 5-year period, 1990βpresent (SSA data).