I can think of two reports that you can pull up, MaggieE. I'm here to guide you. 

First is the Check Detail report. It will provide the transaction's details like number, vendor name, memo/description, class, and amount. Here's how:

1. Click Reports.
2. Enter Check Detail in the Find report by name field.
3. Click Customize.
4. Select Rows/Columns, then click Change columns.
5. Tick the Class box.
6. Click Run report. 

Next is the Transaction Detail by Account report. Here's how:

1. Click Reports.
2. Enter Transaction Detail by Account in the Find report by name field.
3. Click Customize.
4. Select Rows/Columns, then click Change columns.
5. Tick the Class box.
6. Select Filter.
7. Click the Transaction Type drop-down arrow, then select Check and Bill Payment (Check).
8. Click Run report.

I'll add the article on how to customize the report as a future reference: Customize reports in QuickBooks Online.

If you have other concerns, you can always get back to this thread. We're here to help you.