Malcolm MacGregor

Malcolm MacGregor appears to have moved from Glasgow to London at some point between
1802 and 1810.
 
He made the prize bagpipe for the Highland Society of London from 1812 to 1815.  This particular bagpipe was awarded to Finlay MacLeod on July 28, 1813 at a competition held in London.
Makers of Old Bagpipe Place Home
The Shield...

This pipe the gift of
William Stewart of Ardvorlich
Esquire Chieftain
of the
St Fillans Highland Society
for the year was adjudged by the Society
To Alexander Dewar
As best performer on the Great Highland Bagpipe at the annual competition held at St
Fillans the 30th August 1822"
The Bagpipe Place Museum