Tylil appears to be a modern invented name, likely shaped by contemporary sound patterns rather than a single old root.
Tylil is a name of striking originality, shaped by the same creative phonetic energy that defines much of contemporary American naming culture. Its closest literary ancestor is Tyltyl, the young boy protagonist of Maurice Maeterlinck's beloved 1908 symbolist play "The Blue Bird" (L'Oiseau Bleu), in which a woodcutter's son embarks with his sister Mytyl on a dream-journey to find the bluebird of happiness. Maeterlinck's play was an international sensation, adapted into films, ballets, and children's productions throughout the twentieth century, and the name Tyltyl — though never common — embedded itself quietly in the cultural imagination.
The Tylil spelling strips away the archaic double-t and softens the ending, giving it a cleaner, more modern profile. Structurally, it echoes names like Tyler, Tyrell, and Kylie, all of which have enjoyed strong runs in recent decades. Tyrell itself carries Old French roots — from "tirer," to pull — and traveled to Britain through Norman influence as both a given name and a powerful aristocratic surname.
What makes Tylil feel fresh is precisely its slight unfamiliarity: it reads as modern but doesn't feel manufactured. The double-l landing gives it a gentle finality, and the name sits comfortably across genders. Parents drawn to names that feel invented-yet-inevitable — with a literary ghost just visible behind the letters — will find something genuinely expressive here.