Catrenia \c(a)-tre-nia, cat-renia\ as a girl's name is a variant of Catriona (Gaelic, Greek). See for meaning of Catrenia.
The baby name Catrenia sounds like Catrinia, Katrena, Catryna, Catrina, Catreena and Catreina. Other similar baby names are Carenna, Carena, Catricia and Matrena.