There are always lots of duplicates with these records, usually on average for the ones I have used for myself, there have been averages of about 5 or so duplicates. The point is that the name is so common in the USA, that finding one purely on the basis of name without an address or some uniquely identifying fact, even in the same city you might as well be looking for John Smith. I have to trust that the watchmaker met someone with the name of Ed. Why he would give a personalized gift from his parents to a watchmaker, it is a mystery.