If she was the mother of Alexander's sons Duncan and Robert—men who are otherwise recorded to have conducted raids in 1392—Alexander and Mairead must have been familiar with each other in the 1370s, at about the time Alexander first appears active in Badenoch.
Given that she was the mother of Alexander's sons Duncan and Robert—who were noted to conduct raids in 1392—it is likely that Alexander and Mairead knew each other during the 1370s, when Alexander began his activities in Badenoch.