Shailagh \sha(i)-la-gh\ as a girl's name is a variant of Shayla (Gaelic), and the meaning of Shailagh is "from the fairy palace".

The baby name Shailagh sounds like Sheilagh and Shaylagh. Other similar baby names are Kailagh, Shaila, Shaylah, Shilah, Shelagh, Sheilah and Sheelagh.