Ailish is an Irish form of Alice, ultimately meaning noble or of noble kind.
Ailish is the Irish-language form of Alice — or more precisely of the Old French Alix, itself a contraction of the Germanic Adalheidis, the name that gives us Adelaide as well. The Germanic roots mean "noble" and "kind" or "type," yielding the elegant composite sense of "of noble character." When Norman names filtered into medieval Ireland, the indigenous Gaelic tradition absorbed Alice and reshaped it into its own phonological mold, producing Ailish (pronounced AY-lish), a form that sounds at once ancient and effortlessly modern.
The name has been part of Irish life for centuries, threading through parish records and folklore without ever dominating the charts. It shares linguistic kinship with Eilish, the slightly more common variant, a spelling that gained worldwide visibility when Billie Eilish became a generational pop icon in the late 2010s. Ailish and Eilish are often used interchangeably in Ireland, though purists regard Ailish as the more traditional orthography.
The two names together have given the sound a remarkable second life among parents of Irish descent — and beyond — who want something Celtic without reaching for the most obvious choices. What makes Ailish enduringly appealing is its balance: it is rooted and particular enough to feel meaningful, yet intuitive enough for speakers with no Irish at all. It carries the soft landscapes of County Clare and the lyric tradition of the Irish literary revival without requiring any special knowledge to carry well. In an era when parents seek names with genuine cultural depth, Ailish delivers it quietly and with unmistakable grace.