supposed to be derived from the Gaelic Inch, an island, part of that barony being an island, formed by the two branches of a stream running through the estate
The same as Ennis. This family is of great antiquity in Scotland, and derives its surname from the lands of Innis, a word supposed to be derived from the Gaelic Inch, an island, part of that barony being an island, formed by the two branches of a stream running through the estate.
(see Innes Surname Origin and Last Name Meaning)