Review and change the name ratings you've made throughout the site
Create a private list of your favorite names or share it with the Nameberry community to flex your naming muscles
Manage all the name subscription emails you've set up
Change your email address and your password
While they certainly don't 'go together,' if your love for Oona overrides your uncomfortable feelings of how they sound together, then use it. If not, maybe put Oona in a middle name spot?