The real history of (Clan) GunnRevised December 2024. Gunns are the original, non related inhabitants of northern, mainland Scotland. They have no Orkney Islands origin. Gunns are not a traditional Clan as they had no founding father. The first Gunn known to history was Coroner Gunn of Caithness who died around 1450. In 1803 the Court of Session the supreme court of Scotland established a Clan Gunn Chief which obviously meant that Gunns were a Clan from then on. Coroner Gunn's