This study deals the use of personal names among Slovakia Hungarians. The bilingual environment of Slovakia Hungarians affects their use of personal names. Bilingual persons can choose names from a larger set of names. Choosing a variant of a personal name from one language or the other can depend on several factors: the communicative domain, the communication partners, the social or linguistic context etc. The dimensions of time, space and society play an important role in the change anddiversity of personal names. A Hungarian dominant use of names characterizes Slovakia Hungarians in the informal domains, and Slovak dominant use in the formal domains. A dual use of names or bi-naming can characterize a dual identity, however, most people ...