Alastair meaning, girlAlastair (girl)

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Meaning and name origin

Alastair \a-las-tair, al(a)-stair\ as a girl's name (also used as boy's name Alastair), is of Scottish and Greek origin, and the meaning of Alastair is "man's defender". Scottish variant of Alexander.


Alastair has 3 variant forms: Alasdair, Alastrina and Alastriona.


Alastair is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).

Displayed below is a comparison of the popularity of the girl name Alastair and its variant forms. The only popular variation form ranked in the Top 1000/100 is Alexander. (2014 statistics).

Top 1000 baby names ranking of Alexander in U.S.

Top 100 baby names ranking of Alastair and related baby names outside U.S.