US Popularity Rank: 6215

Origin: Scottish

Meaning: Humankind's defender

You might see yourself as baby's forever protector, but with a name like Aleister, they’ll be ready to look out for someone else when they’re bigger. This boy's name is a variant of the Scottish Alasdair and comes from the Greek name Alexander. Meaning "humankind’s defender," Aleister will let your little one know to protect anyone who needs help. It's also an alternate spelling of Alastair, another of Alexander’s many spin-offs.