Which preposition to use with stirks

at Occurrences 1%

" The company kept possession of the island for nearly six weeks, notwithstanding repeated attempts on the part of the Germans to surprise and dislodge them; but all these having been defeated by the extreme watchfulness of the Scots, General Stirk at length drew off his army and retreated.

in Occurrences 1%

Ye may stable your stirks in the sheilings of Dern-cleugh.

Which preposition to use with  stirks