Which preposition to use with easton

in Occurrences 1%

In Strutt's view of Manners, we have an inventory of furniture in the house of Mr. Richard Fermor, ancestor of the Earl of Pomfret, at Easton in Northamptonshire, and another in that of Sir Adrian Foskewe.

on Occurrences 1%

Mary had not bargained for that; she had intended to secure Mrs. Easton on her side, and then take her opinion.

Which preposition to use with  easton