|Author||Rev Patrick Woulfe|
|Source||Irish Names and Surnames|
Mac ALSANDAIR—V—M'Alexander, M'Alesandre, MacAlshander, MacAlshender, MacAlshinder, MacCalshander, MacElshander, MacKalshander, Alexander, etc.; 'son of Alexander,' (a not uncommon personal name among the Normans, specially common in Scotland). The surname, which came to us from Scotland, has assumed a great variety of forms. See Mac Alastair and Mac Alastruim, which are variants.
Alphabetical Index to Irish Surnames