Alana

Also Portuguese:

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https://pt.m.wiktionary.org/wiki/Alana
https://en.m.wiktionary.org/wiki/Alana#Portuguese
https://www.behindthename.com/name/alana/top/portugal
https://www.behindthename.com/name/alana/top/brazil

Also Gascon, Provençal and Languedocian: https://ieo-oc.org/spip.php?page=article&id_article=300 --- Source: Institut d'Estudis Occitans

Also occasionally used in Galician: http://www.ige.eu/igebdt/esq.jsp?idioma=gl&ruta=onomast/nomes.jsp
https://gl.wikipedia.org/wiki/Lista_de_nomes_femininos_en_galego#I

Also used in Czech: https://cs.wikipedia.org/wiki/Alana

Also used in Slovak: https://sk.wikipedia.org/wiki/Alana

Also Breton: http://bibliotheque.idbe-bzh.org/data/cle_122/Choix_de_PrAnoms_bretons_.pdf [noted -ed]

In 2018, 3 is the most common age for an American (U.S.) Alana who is registered female with the Social Security Administration. It is the 920th most common female first name for living U.S. citizens.

When I saw a tv coverage about the Beslan school hostage crisis there was a story told about a family with two children to be held hostage. They were named Alan and Alana. Both survived.

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I have no further information if either Alana or Alan are common names in the Republic of North Ossetia-Alania or anywhere else in East Europe. But I agree with the parents of one of the above posters who did choose Alana as a name for their daughter that would go with an East European sounding last name.