Less then impressed with the site. Hard to find someone without all the information.
Is this Cleveland?
I cross referenced against whitepages.com and still couldn't find information. That Ohio site admits that data may not be complete. Under a freedom of information act you should be able to request voter information (including party affiliation, if any is noted from a primary vote) from that county (email addresses are on that site).
I do agree that it is easier to look people up on some of the other states sites.