Meaning and name origin
Alister \a-lis-ter, al(i)-ster\ as a boy's name is of Scottish and Greek origin, and the meaning of Alister is "man's defender". Alister is a variant of Alastair (Scottish, Greek): Scottish variant of Alistair, from Alexander.
Alister has 20 variant forms: Alaistair, Alaister, Alasteir, Alaster, Alastor, Aleister, Alester, Alistaire, Alistar, Alistir, Allaistar, Allaster, Allastir, Allistair, Allister, Allistir, Allystair, Allyster, Alystair, Alyster.
Alister is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
A suggested similar baby name is Alsten. Like Alister, this name is not commonly used.