Kylian

Irish Cillian derives from cill, meaning church, the monastic settlement at the center of early Celtic Christianity — though some scholars trace it to ceallach, meaning strife, which gives the name a more complicated spiritual biography. A seventh-century Irish monk of this name evangelized the German territories that became Franconia and Thuringia and has been venerated there for thirteen centuries. Kylian is the French and Breton spelling, the version that crossed from the monastery into the football pitch.

Kylian Mbappé is the name's ambassador to the twenty-first century, the French forward whose pace and goals have made him one of the most recognizable footballers on the planet, and who has given the French spelling a global visibility it did not have before. At rank 459, Kylian is rising in the U.S. on the combined strength of its Irish roots and its French sporting associations.

Two syllables, the first hard and bright, the second falling away clean — KIL-ee-an — or in the French pronunciation, KIL-yan, quick and clipped. It pairs with names in the same register: Kylian Johnny, Kylian Tyson, Kylian Cillian. The boy who carries it tends to move faster than other people expect and to be further ahead by the time anyone looks up.