Every voter there can check on their own right now..
I think this is a great idea. But it would require some implementation effort whereas they can just check today themselves..
People who didn't bother to vote, or are dead, are unlikely to jump through the hoops to find out if someone voted for them.
In Ohio, it is not easy to search. You need to go to the county they live in and then wade through thousands of pages of text to find the voter and then decipher what the acronyms stand for.
It should be easy enough to simply load all of this information into a DB where people could type in a last name and it would show right away if they are being counted as having voted.