Alasdair

Scottish

form of Alexander, meaning "Latinized form of the Greek name Αλεξανδρος (Alexandros), which meant "defending men" from Greek αλεξω (alexo) "to defend, help" and ανηρ (aner) "man" (genitive ανδρος). In Greek mythology this was another name of the hero Paris, and it also belongs to several characters in the New Testament. However, the most famous bearer was Alexander the Great, King of Macedon. In the 4th century Bc he built a huge empire out of Greece, Egypt, Persia, and parts of India. Due to his fame, and later medieval tales involving him, use of his name spread throughout Europe."