Siculo-Normans in Buffalo?

When we were in Palermo and elsewhere in Sicily, we saw these domes on various Siculo-Norman churches:

This is a view of San Giovanni degli Eremiti, near the Palace of the Normans in Palermo. Earlier today, I saw these pillars on University Avenue at Main Street in Buffalo:

We did talk about various European and other groups in Buffalo at the SAH chapter meeting last night. Perhaps the Sicilians and Normans lived in this neighborhood. Or maybe Eric Northman has been lurking about.