CROSSAN Family History
Recorded in the spellings of MacCrossan, McCrossan, Crossan, Crosby and Crosbie, this is a famous Irish surname, which is particularly prominent in Australia. It originates from the pre 10th century Ancient Gaelic Mac An Crosain, whose meaning was the son of the young Cross. This may be a reference to a location, but is more likely to have described a specific Christian, a secular person who devoted himself to following the faith. Most Irish and Gaelic surnames originate from a nickname for the first chief of the clan, and this surname is probably no different.