Ainslie \a(i)-ns-lie, ain-slie\ as a girl's name (also used as boy's name Ainslie), is a variant of Ainsley (Old English), and the meaning of Ainslie is "only hermitage wood or clearing". The baby name Ainslie sounds like Aynslie, Ainslee and Anslie. Other similar baby names are Aynslee, Anelie, Annelie and Annalie.