Kirby (surname)
Kirby is a surname of Norse or Irish origin. The English surname of Norse origin is from the Old Norse "kirkja" + "býr", meaning "church" + "settlement". (Names ending in 'by' are typically Nordic, as seen in such Swedish place names as Visby, Hellingsby, etc.) The Irish surname is an anglicisation of Ó Ciarmhaic, which also takes the form Kerwick,