Hello scrappingtechiemom,
Which iOS version do you have?
You can try turning of Siri Suggestions for the Maps app to see if that would help in this situation:
Change Siri settings on iPhone
Change Siri settings for a specific app
You can change which apps you can use with Siri, as well as the Siri Suggestions and Siri Shortcuts settings for any app.
1. Go to Settings > Siri & Search, then scroll down and select an app. (Maps)
2. Turn settings on or off.
You can also check out this article on Map Guides:
Organize places in My Guides in Maps on iPhone
Best Regards.