Ofc Mohammed is the most common name but thats a name common within the muslim community. I have noticed the name Sarah in every country, regardless of race or religion. Or it might be an abrahamic religion thing but thats most of the world atleast.
I suspect other Abrahamic names might make the cut.
supposedly, the Feds at some point gave up on Gotham and said "fuck it, it’s hopeless, let them keep to themselves, as long as they’re not leaving we’re good.