Variant of Hyland, from Old English meaning one who lives on high land or a hill dweller.
Hylan is a name with several possible lineages. The most likely source is the Irish surname Ó hAoláin — anglicized as Hylan, Hyland, or Hiland — derived from the Gaelic *aol*, meaning "noble" or possibly connected to a personal name meaning "generous." Irish families bearing this surname were historically concentrated in Leinster and Ulster, and the name traveled to North America, Britain, and Australia during the great waves of Irish emigration in the nineteenth century, where it sometimes transitioned from surname to given name in the characteristically American fashion.
A secondary possibility connects Hylan to the Germanic *Hyland*, a topographic name for someone who lived on high land — the Old English *hēah* (high) combined with *land* — which would give the name a sturdy, landscape-rooted meaning. John Francis Hylan served as the mayor of New York City from 1918 to 1925, a populist Democrat known for his fierce opposition to the transit fare increases proposed by the private subway companies; the name therefore has at least one moment of civic prominence in American history. As a given name today, Hylan is rare enough to feel distinctive without being invented.
It shares the clean, two-syllable architecture popular with modern parents, and its slightly archaic quality gives it depth. The 'y' in the first syllable creates a small orthographic surprise that makes the name visually memorable — a modest flourish on familiar ground.