Family name origins & meanings
- Scottish : habitational name from a now forgotten place called Dundemore in Fife.
- English : habitational name from Dunsmoor in Devon or from an old district of Warwickshire called Dunsmore (preserved in Ryton-on-Dunsmore and Stretton-on-Dunsmore); both are named from the Old English personal name Dunn(a) ‘dark’ + mōr ‘moor’.
- A Scottish family of this name was established in County Antrim, northern Ireland, in the early 17th century. From there they emigrated in 1723 to Londonderry, NH (now called Windham).