A Scottish masculine given name, variant of Alexander. Means 'defender of men' or 'protector of mankind.'
Scottish Gaelic form of Alexander, from Greek 'Alexandros' meaning 'defender of men,' composed of 'alexein' (to defend) + 'andros' (of men). The name evolved through various Celtic adaptations.
Alastair represents how names travel and transform across cultures - from ancient Greek through Latin, then into Gaelic, creating a distinctly Scottish identity while maintaining its protective meaning. The spelling variations (Alistair, Alaster) show how oral traditions preserve sounds differently in writing.
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