Aisleen is of Irish origin, derived from the name Aisling which means 'dream' in Gaelic. It is a unique and beautiful feminine given name that has gained some popularity in recent times. The name is often associated with Ireland's rich cultural heritage and its literary traditions, as it was popularized by the poet Aislinginn during the Irish Literary Revival of the late 19th century.
The name Aisleen has seen fluctuations in popularity over the past two and a half decades, with peaks in 2013 (8 births), 2020 (8 births), and 2022 (7 births). Despite these high points, the name's overall usage has been quite consistent, totaling 66 births from 1996 to 2022.