3 ms·In latin countries male names end in o, and girls names end in a.by foogoloo 7y agoIn latin countries male names end in o, and girls names end in a.skissane 7y agoNot universally true. Consider a male name like LucabonoboTP 7y agoOr Andrea.tomcooks 7y agoSame as Lucaspetecox 7y agoSeems like a case of s-dropping from a transliteration of a Greek name, Lucas. c.f. Andreas -> Andrea.