Glancy

Glancy is a surname of Irish origin. It is an anglicized form of the Gaelic name Ó Glaimhneáin, meaning "descendant of Glaimhneán". The personal name Glaimhneán is thought to be derived from glamhnach, meaning "noisy" or "clamorous."

The Glancy family is historically associated with County Donegal in Ulster, Ireland. Records of the name and its variations can also be found in other parts of Ireland and among Irish diaspora communities worldwide.

Variations in spelling of the name include Clancy, Glancey, and Glansey.