Iónová
Iónová is a surname of Czech and Slovak origin. It is derived from the personal name Ján, which is the Slavic equivalent of John. The surname can be found in both the Czech Republic and Slovakia, with variations in spelling and pronunciation depending on the region. Historically, surnames in this region often indicated patronymic lineage, meaning "son of Ján." Over time, these evolved into fixed family names. The exact distribution and prevalence of the Iónová surname can vary, but it is a recognized surname within the Slavic populations of Central Europe. Genealogical research may reveal specific family histories associated with this name, tracing back to individuals named Ján.