Full user name not updated in JIRA or Confluence weeks after updated in Atlassian

[Katie Planey]

I'm the main admin, I keep trying to change my username from "admin" so that my teammates can properly recognize me.  But every time I'm prompted to "update these details through your Atlassian account", I click on this link, only to find that I already updated my "full name" several weeks ago.

I lot into Atlassian using Google sign-on, but my name has never been "admin" there, so I can't figure out how to force Atlassian to propogate a different username than "admin" for me to Confluence and JIRA.  I don't want to have to buy a whole separate user account just to create an identifiable username for myself.