Important note: Liborio is the Italian form of Liborius, *not* Liberius. Though similar in appearance, Liborius is not exactly the same as Liberius.The proper Italian form of Liberius is Liberio.Both Liborius and Liberio are already featured in the Submitted Names Database. [noted -ed]
It is more common in Latin America: https://forebears.io/x/forenames/liborio