Now that would be great.
Of course for residency sticklers I think his residency is in Chabot’s (OH-1) district.
As you probably know, the only constitutional residency requirement for the U.S. House is that the Representative must be a resident of the state he represents, but you’re right that if Blackwell lives in the West Side of Cincinnati he wouldn’t be able to vote for himself (and his opponent(s) would make hay of that fact).