[1] The Mac Cana were a Gaelic Irish clan who held the lands of Clancann and Clanbrassil, together known as Oneilland, in what is now northern County Armagh.
[4] The McCann line features in John O' Hart's 19th century historical book, Irish pedigrees.
Brothers William and Hugh McCanne originally native of Scotland moved to Ulster, Ireland.
From there William’s descendants moved to Georgia, Missouri, Utah, California, Texas, Colorado, Louisiana and many other states.
[6] Here in the first half of the 17th century, from Nobles of Trento they became Counts of Tres by concession of Ferdinand Charles, Archduke of Austria and subsequently Marquis.