The meaning of the name Alistair is Defender Of The People. The origin of the name Alistair is Scottish. This is the culture in which the name originated, or in the case of a word, the language.
Scottish form of Alexander, originally spelled Alasdair.
Alistair is on 1,580 BN name lists Alistair is currently not ranked on the BN charts Alistair is currently #874 in U.S. births
Alistair 
