Modern creation, likely a blend of Keira and Rihanna.
Kihanna is a contemporary American name with no singular ancient root. It is most likely a creative variation or blend of the names Keira, meaning dark-haired, and Rihanna, which is derived from the Welsh name Rhiannon meaning great queen. It gained some visibility following the rise of the pop star Rihanna in the mid-2000s.
Less common today
Kihanna isn't in the latest US Top 1000. It last peaked at #7,327 in 2009.
US births per 5-year period, 1990βpresent (SSA data).