The following spring when Shackelton set off to attempt to reach the South Pole, he despatched Mackay, Mawson and Edgeworth David northward to reach the South Magnetic Pole which lay approximately 650 km north-north-west of Ross Island.
•
In March 1908 along with Mawson and David, Mackay made up the party who undertook the first ascent of Mount Erebus.
Mackay | Peter MacKay | Clan Mackay | James Mackay, Baron Mackay of Clashfern | Alistair Edwards | Alistair Darling | Alistair Cooke | John William Mackay | Alistair Begg | Charles Mackay | Alistair McGowan | Murdo Mackay | Colin B. Mackay | Andy Mackay | Alistair MacLean | Mackay Cutters | Clarence Mackay | Barry MacKay | Andrew MacKay | Alistair Graham | Alistair Beaton | Mackay Trophy | Lake Mackay | James A. Mackay | George MacKay (actor) | George MacKay | Fulton Mackay | Donald Mackay | Dave Mackay | Barry MacKay (actor) |