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What does Alastair mean?

Alastair /alas-tair/ as a boys' name (also used as girls' name Alastair) is of Scottish and Greek origin, and the meaning of Alastair is "man's defender".

Scottish variant of Alistair, from Alexander. Most of the variants are different phonetic spellings of the name. TV commentator Alistair Cooke; actor Alistair Sim.

Associated with: scottish, greek, defender


Alastair has 26 variants: Al, Alaisdair, Alaistair, Alaister, Alasdair, Alasteir, Alaster, Alastor, Aleister, Alester, Alistair, Alistar, Alister, Allaistar, Allaster, Allastir, Allistair, Allister, Allistir, Allysdair, Allystair, Allyster, Alysdair, Alysdare, Alystair and Alyster.

Alastair has 3 more different relations via Alexander, Alistair: Alisdair, Alistaire and Alistir.

Kreatif forms:
(male) Anastair, Astair, ..

(female) Alasai, Alasta, ..

How popular is Alastair?

Alastair is an uncommonly occurring first name for men. Alastair is also an uncommon surname for all people. (2000 U.S. Census)


Ranking and usage % can show different trends depending on the distribution of names that year.

Displayed below is a comparison of the history of Alastair and associated names. Prominent alternative forms of Alastair (outside Top 2000) are Alexander (#8 in recent rankings), Alistair (#1087) and Al. Adoption of these relations of Alastair reached its highest 2 decades ago (median #1159) and is somewhat lower today (#1031, down 22.5%), with the version Al going out of style. Alexander is the most contemporarily stylish boy name here. (Top 2000 Names, 2014)

Top 2000 baby names ranking of Al, Alexander, Alistair in U.S.

Top 100 baby names ranking of Alexander, Alistair outside U.S.

Similar Names


Suggested similar names are Abishai, Adair, Agustin, Alain, Alair, Alaire, Alamar, Alaric, Alavaro, Albain, Algar, Allain, Allgar (see Alger), Allston, Allstonn, Alltair, Allvar, Alomar, Alsten, Alstin, Alston, Alta, Altaer, Altair, Altayr, Alter, Alvar, Amasa, Amati, Amishar, Amitai, Anastagio, Anastas, Anastase, Anastasio, Anastasios, Anastasius (see Anastasios), Anastatius (see Anastasios), Anastice, Anastius, Anasto, Anastos, Anestis, Anstas, Aristio, Artair, Austin, Avishai, Avishar, Blair, Casimir, Casmir, Clair, Ellair, Kasimir, Katzir, Nasir, Slavomir, Vladamir, Vladimir, Wladimir and Yasir. These names tend to be more frequently used than Alastair.