Popularity: 5649
Origin: Greek
Meaning: Man's defender
Alastair is a gender-neutral name of Greek origin, meaning "man's defender" from the Greek words alexein and aner, which mean _"_to defend" and "man," respectively. Alastair is an Anglicised form of the Scottish-Gaelic Alasdair, which is derived from the popular Greek name Alexander. This mighty moniker is a unique alternative for parents who wish to give baby a Grecian name with a twist.