What does Alastair mean?
Alastair /alas-tair/ [3 sylls.] 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".
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.more]
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)
Displayed below is a comparison of the usage of Alastair and associated names. Prominent alternative forms of Alastair (outside Top 1000) are Alexander (#8 in 2014), Alistair and Al. Adoption of these boy names reached its highest during 1880-1889 (usage of 0.511%) and is now much less (usage 0.3307%, down 35.3%), with the version Al becoming less in vogue. Alexander (#8) is the most contemporarily stylish boy name here, with this name having a resurgence in usage. (Top 1000 Birth Names Records, 2014)