I appreciate that you're explaining everything in detail, dpotts.
With the number of records you need to change, it would help you if you'll just see the list of names that need an update. While this isn't a feature right now, I'll bring this idea to our product engineers. That way, they can consider adding this option in future updates.
In the meantime, you can try finding a third-party app that can tell you what needs to be edited or added.
We're just around if you have additional or other questions about QuickBooks Desktop.