Allow me to step in and help provide additional clarification with your question about QuickBooks Desktop for Mac.
The Other Names list is mainly used in the program if a person or company doesn't belong to the customers, vendors, or employees category. The ability to add names from this list are only possible when you write checks or enter credit card charges.
I've scanned through the start of the thread and found your customers are patients. That said, you can categorized them as a customer and include sub-customers if necessary.
For your visual reference, I'm adding a screenshot on what I'm referring to:
For cash deposits that consist of multiple payments from different people, you'll need to identify each of them to track who paid the most using the Customers & Receivables report available in QuickBooks.
I look forward to serving you to the best of my ability regarding how you can record your transactions on your new QuickBooks. Just fill me in, and I'll be sure to get back to you to help.
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