I had a history teacher in high school whose name was John St. John (apparently his parents hated him), and we addressed him as Mr. St. John. So I dunno, having "St. Whatever" surnames is a thing.
I had a history teacher in high school whose name was John St. John (apparently his parents hated him), and we addressed him as Mr. St. John. So I dunno, having "St. Whatever" surnames is a thing.