Hello Carol:Saw your posting and thought that you might be interested in the following:
1.The IGI shows that a Robert Muirhead and his wife, Mary Sharp had a daughter, Elizabeth, christened on 21 July 1819 atTroqueer, [Traquair], Kirkcudbright.
Source:Batch C118825 1819-1854 Source Call 1068035, 0102345 Film Printout Call 690691 Film.
Also shows the birth of Robert to the same parents in 1832 at Saint Eleanor's, Princes, PEI.Batch 8608791Sheet 30 Source Call 1396181.
2.Of possible interest is the web page:
Dr Muirhead of Logan contended that he was the chief of the Clan Muirhead.
3.In the same vein, you may find the Muirhead Clan Society web page to be of interest.