Elvira is a female given name. It is believed to have first been recorded in medieval Spain, while other sources claim that it is likely of Germanic (Gothic) origin. In the Balkans, Elvira is popular among Bosniaks, Croats, and Slovenes in the former Yugoslav nations. It is also popular among Albanians. The name is also written as Alvira in the region. The region also has a male equivalent to the name: Elvir (for example, Elvir Hadžić). People. Nobility. Elvira Menéndez (died 921), daughter of Hermenegildo Gutiérrez and wife of Ordoño II of León.
https://en.wikipedia.org/wiki/Elvira