Alasdair - Name Meaning and Origin

The boy's and girl's name Alasdair \a-las-dair, al(a)-sdair\ is pronounced AL-as-dare. It is of Greek origin, and its meaning is "man's defender". Scottish Gaelic form of Alexander, often Anglicized as Alistair.

For more information, see also the related name Alastair.

Baby names that sound like Alasdair are Alysdair, Alaisdair and Alisdair. Other similar baby names are Alystair, Allysdair, Alaistair and Alasteir.

Alasdair is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Alasdair. Click here to compare Alasdair with related baby names.