Which preposition to use with tarrant

in Occurrences 1%

Leaving Mr. Tarrant in charge of the yawl, I proceeded with Mr. Helpman to trace the river, immediately after daylight.

on Occurrences 1%

The road eventually leads to Linkenholt, another hamlet lost in the wilderness of chalk, and then by Upton to the Andover highway at Hurstbourne Tarrant on one of the headwaters of the Test.

Which preposition to use with  tarrant