Breccan is an Irish name that was the name of a saint from the Isle of Aran, and the name has made appearances in old myths. Many have opted to spell it Breckin and other various ways, but Breccan remains the most handsome and less trendy. The name means "freckled" or "speckled." The original spelling, as close as it can get, is like Breacain/Breacan, and would be pronounced BREK-awn instead of BREK-an, but the latter is accepted in the US.
Breccan was a popular medieval first name, however, there were no baby boys with this spelling born in 2010. There were 5 named Brec, 71 Breck, 11 Breckan, 189 Brecken, 76 Breckin, 8 Breckon, 16 Breckyn, 9 Brek, 13 Breken, 6 Brekin, 20 Brekken, 6 Brekkin, and 5 Brekyn. In 2011 there were 7 boys named Breccan, 7 Breckyn, and 7 Breckan.