What does Columba mean?
Columba \c(o)-lu-mba\ as a girls' name is pronounced ka-LUM-ba. It is of Latin origin, and the meaning of Columba is "dove". Saint Columba, sixth-century Irish saint, founded an influential monastery on the Scottish island of Iona, and is supposed to have exorcised the River Ness of a monster. Though the Irish Columba was a man, two other saints of that name were both women. The dove is a Christian symbol for peace and the Holy Spirit.
Columba is a rare first name for females. Columba is an equivalently rare surname too for all people. (2000 U.S. Census)
Shown below is the baby name popularity of Columba for girls. Columba has yet to be ranked in the list so far. (Top 1000 Birth Names Records, 2014)
A recommended similar baby name is Columbina. Like Columba, this name is not commonly used.