Catherinn \c(a)-theri-nn, cath(e)-rinn\ as a girl's name is a variant of Catherine (Greek), and the meaning of Catherinn is "pure".

The baby name Catherinn sounds like Cathrinn, Catherina and Catherin. Other similar baby names are Caterina, Katherynn, Katherine, Katherina, Katherin, Cathrynn, Cathrine, Cathirin, Catheryn, Cathern, Catheren, Cathelina, Cathelin, Catheirn, Catharine, Catharina, Catharin and Caterine.