You can set a preferred name through the Web Info System. The preferred name you enter here will appear on class schedules, class rosters, and similar resources.
First, sign in to myDMACC and click the Web Info System button on the left side of the page.
Once you're in the Web Info System, click the Personal Information tab at the top-left of the page.
You'll see a list of links for various resources. Click on the View/Update Preferred First Name link to update your preferred name and reflect your preference.