Defender of the people
Alaster is a rare variant of Alistair, which is the Scottish Gaelic form of the Greek name Alexander. It carries the classic meaning of protection and guardianship. While less common than Alistair or Alasdair, this spelling offers a phonetic approach to the traditional Highland name.
About 13 boys were named Alaster in 2025.
US births per 5-year period, 1990–present (SSA data).
A character in the animated series Hazbin Hotel · Hazbin Hotel