Which preposition to use with leonards

at Occurrences 1%

Sam Warren had been in the habit of visiting Lord St. Leonards at Boyle Farm, Ditton.

for Occurrences 1%

Towards the end of the month Mr. H and his daughters moved on to Luchon, as their time was limited; and the last week saw the departure of Mrs. Willesden and Miss Leonards for England, whereat Bigorre was as tearful and miserable as a steady downpour could make it.

Which preposition to use with  leonards