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What does Alasdair mean?

Alasdair Pronunciation of Alasdair as a boys' name (also used as girls' name Alasdair) is pronounced AL-as-dare. It is of Greek origin, and the meaning of Alasdair is "man's defender". Scottish Gaelic form of Alexander, often anglicized as Alistair. Also form of Alastair.


ASSOCIATED WITH greek, defender, scottish, gaelic


ALTERNATIVE FORMS VIA ALEXANDER, ALISTAIR Alastair, Alaster, Alastor, Alisdair, Alistair, Alistaire, Alistir, Allistair



Alasdair Stephan (A.S.), ..

How popular is Alasdair?

Alasdair is an uncommon first name for males and an equivalently unique surname too for both adults and children. (2000 U.S. CENSUS)

Which version is better?

Prominent variation forms of Alasdair (OUTSIDE TOP 2000) ranked in the Top 2000 are Alexander (#11 IN 2018) and Alistair (#1004). These relations of Alasdair were popular in the year 1993 (ADOPTION OF 1.05%) and are somewhat less popular today (ADOPTION 0.68%, 35%). Alexander is the continual favorite, although Alistair appears to be gaining popularity too. (2018 BIRTH STATISTICS)

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

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

Similar Names

Alasdair is pronounced similarly to Alaisdair, Allysdair, Alysdair and Alysdare. Other suggested similar-sounding names are Aadi, Abishai, Adair, Adaire, Adar, Alair, Alaire, Alaistair, Alaister, Alamar, Alard, Alaric, Alasteir, Alavaro, Alcadio, Alcander, Alcedio, Aldan, Aldin, Aldis, Aldric, Aldrin, Aldwin, Alester, Alistar, Alister, Allain, Allaistar, Allaster, Allastir, Allgar (see Alger), Allistir, Alltair, Allvar, Allystair, Alomar, Alsandare, Alsdon (see Alston), Alstin, Altaer, Altair, Alystair, Alyster, Amadei, Amadi, Amadis, Amador, Amadour, Amasa, Amishar, Anastagio, Anastas, Anastasio, Artair, Avishai, Avishar, Blair, Casimir, Casmir, Clair, Ellair, Kadir, Kasimir, Nadeir, Nadir, Nasir, Qadir, Slavomir, Vladamir, Vladimir and Wladimir. These names tend to be more frequently used than Alasdair.

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in meaning and etymology.