Her name is a reference to Oprah Winfrey, the famous American talkshow hostess. This makes her one of very few draenei with a last name.
The name originated from an american high level guild, in which Dave 'moto' Geffon, from the popular counterstrike Team 3D, was a part of. The name expanded across the Atlantic, when a former member moved to London and founded his own Oprah Windfury guild at Bloodfeather, before migrating with the whole guild to Daggerspine. The name gained popularity and soon after the name were seen on many servers in both the US and the EU, aswell as player names.