Just a quick question, I might not be understanding you completely so please forgive me if I'm a little confused...but are you wanting to use a business name that is already taken in another state and online? If so, I'd suggest that you pick a different name completely. Also, I'd ask an attorney if you can use the name and also check to see if they have it copyrighted. I'd definetly find all this out before spending money.
I know how difficult it can be to pick a business name, but its so worth investigating in the end