[2][3] Further possibilities include a connection with the ethnic names Marsi and Marsigni of Italy and Bohemia,[2] or a derivation from Old Norse marr meaning "sea, marsh, fen".
[4] Linguist Guto Rhys adjudged the proposal "appealing" but "questionable", on the basis that the form Marr conflicts with the expected development of mawr.
[4] To the west, the mountain environment of the Cairngorms National Park sustains a well-developed tourist industry based on heritage and outdoor pursuits.
To the east, Marr has experienced population growth due to its strong commuter links with the city of Aberdeen.
[6] Marr is named after Mar, one of the historic provinces of Scotland, extending from north of the Don southward to the Mounth.