Which preposition to use with stonington

as Occurrences 1%

She realized something of it herself when she was old enough to know that she was not in physical characteristics at all like her parentsat least she regarded Mr. and Mrs. John Stonington as her parents.

with Occurrences 1%

And Aunt Lizzy is coming up from Stonington with the new baby;andJohn, too!

Which preposition to use with  stonington