This is a list of names in which the gender is unisex; and the usage is Late Roman.
COLUMBA m & f Late Roman
Late Latin name meaning "dove". The dove is a symbol of the Holy Spirit in Christianity. This was the name of several early saints both masculine and feminine, most notably the 6th-century Irish monk Saint Columba (or Colum) who established a monastery on the island of Iona off the coast of Scotland. He is credited with the conversion of Scotland to Christianity.