 Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1959 for Josias Simler (1530–76), who wrote the first reasonable advice on precautions for travel on glaciers, in 1574.Leith-Buchanan baronets

The Leith, later Leith-Buchanan Baronetcy, of Burgh St Peter in the County of Norfolk, is a title in the Baronetage of Great Britain.It was created on 21 November 1775 for Alexander Leith, Member of Parliament for Tregony.