The DMV should know that answer. Try then first
I bought a truck from a guy but I forgot his name and he does not live in the same place. And I need the title.
You will have to do a title search for the owner of record. But you will have to pay a nominal fee for each. Unless your city/town has a law for unclaimed vehicles.
You could always call the always and give them the information and they could tell you who owns it.